Topic leaderboard
Sewers & cesspools
Ranked by the PatentIndex Score — a 1–99 percentile within E03F · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest E03F patents became public in the last 2 years — the current frontier
- 199Earl R. Singleton11 patents · 393 citations
- 296William C. Batten29 patents · 398 citations
- 392Eric M. Chapman11 patents · 150 citations
- 488Justin W. Taylor6 patents · 62 citations
- 583Matthew J. Thompson6 patents · 62 citations
- 679William V. Shaffer5 patents · 61 citations
- 775Benjamin Owens11 patents · 42 citations
- 871Charlie Belsom11 patents · 42 citations
- 967Jon Gary11 patents · 42 citations
- 1063Kevin Babin11 patents · 42 citations
- 1158Stephen G. Benton, Jr.11 patents · 42 citations
- 1254Ronald R. Vitarelli18 patents · 78 citations
- 1350Gary Anguiano5 patents · 110 citations
- 1446Mark Foreman5 patents · 110 citations
- 1542Gerard J. Macneil11 patents · 63 citations
- 1638Gordon Macneil11 patents · 63 citations
- 1733Vernon Bose11 patents · 63 citations
- 1829Kevin Tyler Kondas5 patents · 32 citations
- 1925Sean T. Kehoe17 patents · 31 citations
- 2021Alex M. Cole15 patents · 33 citations
- 2117Paul Anthony Iorio5 patents · 54 citations
- 2213Jonathan Brill8 patents · 26 citations
- 238Alan Trink7 patents · 21 citations
- 244Geoffrey J. Grumbach3 patents · 36 citations
- 251Jacqueline Kirk3 patents · 36 citations
Active· last 5 yrs
Sustained E03F output across the last 5 years
- 199Larry W. Kiest, Jr.33 patents · 532 citations
- 296Michael J. Rutkowski18 patents · 545 citations
- 392Earl R. Singleton11 patents · 393 citations
- 488Philip J. Burkhart10 patents · 274 citations
- 583Donald G. Huber18 patents · 443 citations
- 679Peter Sanguinetti7 patents · 389 citations
- 775Thomas H. Happel21 patents · 539 citations
- 871David A. Potts26 patents · 341 citations
- 967William C. Batten29 patents · 398 citations
- 1063Eric M. Chapman11 patents · 150 citations
- 1158Tom Happel19 patents · 326 citations
- 1254James F. Kleyn8 patents · 135 citations
- 1350Thomas E. Pank12 patents · 223 citations
- 1446Jason E. Morris13 patents · 129 citations
- 1542David M. Gomo12 patents · 116 citations
- 1638Robert A. Diplacido10 patents · 106 citations
- 1733Bruce W. Kyles15 patents · 148 citations
- 1829David J. Mailhot12 patents · 106 citations
- 1925Jaroslaw J. Plachotnik6 patents · 74 citations
- 2021Justin W. Taylor6 patents · 62 citations
- 2117Matthew J. Thompson6 patents · 62 citations
- 2213Tom Heraty8 patents · 73 citations
- 238Justin Ivan May7 patents · 71 citations
- 244Zachariha J. Kent26 patents · 130 citations
- 251William W. Bohnhoff4 patents · 411 citations
All-time canon
Career PatentIndex Score in E03F
- 199James F. Morris6 patents · 668 citations
- 296Stephen C. Stelpstra6 patents · 668 citations
- 392Larry W. Kiest, Jr.33 patents · 532 citations
- 488James M. Nichols12 patents · 777 citations
- 583Joseph Gordon Monteith8 patents · 621 citations
- 679James H. Lenhart, Jr.8 patents · 509 citations
- 775Daniel M. Strawser, Sr.7 patents · 488 citations
- 871Henry Happel13 patents · 763 citations
- 967Theodore W. Meyers12 patents · 666 citations
- 1063Jeffrey L. Cripps14 patents · 296 citations
- 1158Larry F. Babb9 patents · 493 citations
- 1254Allen R. Becker5 patents · 341 citations
- 1350Campbell H. Steketee, Jr.9 patents · 361 citations
- 1446Michael J. Rutkowski18 patents · 545 citations
- 1542Robert J. Ditullio17 patents · 594 citations
- 1638John V. Beamer15 patents · 693 citations
- 1733Earl R. Singleton11 patents · 393 citations
- 1829Philip J. Burkhart10 patents · 274 citations
- 1925Sven Oldfelt10 patents · 471 citations
- 2021Charles E. Gunter17 patents · 600 citations
- 2117Donald G. Huber18 patents · 443 citations
- 2213Lawrence F. Irwin14 patents · 556 citations
- 238Peter Sanguinetti7 patents · 389 citations
- 244Donald A. Kubiak6 patents · 326 citations
- 251Thomas H. Happel21 patents · 539 citations
Rising· last 2 yrs
The top-scoring E03F patents made public in the last 2 years
- 199US12203476B2✦ AIIn-line pumping apparatus, system and method for increasing liquid flow in gravity network9 cites · 202487% earned
- 296US11965305B1✦ AIElectronic well lid based on electric control travel switch control6 cites · 202485% earned
- 392US12163326B1✦ AISystem for capturing and destroying hair or waste within a commercial shower drain7 cites · 202486% earned
- 488US12203259B1Universal channel drain fitting4 cites · 202582% earned
- 583US12134890B2Water drainage system5 cites · 202484% earned
- 679US12215493B1Drain device4 cites · 202582% earned
- 775US12297126B1Modular porous swale4 cites · 202582% earned
- 871US12252876B1Floor drain2 cites · 202576% earned
- 967US12276098B1System for purifying and delivering surface water to an aquifer4 cites · 202582% earned
- 1063US12264472B2Catch basin system and corresponding water drainage system2 cites · 202476% earned
- 1158US12247384B2Catch basin system and corresponding water drainage system2 cites · 202476% earned
- 1254US12018472B1Multi-purpose lid for septic tank and an associated riser4 cites · 202475% earned
- 1350US11866942B1Cryogenic trench/trough apparatus and method2 cites · 202455% earned
- 1446USRE50058ESemi-round floor drain2 cites · 202461% earned
- 1542US12416147B2Universal base plate with tabs2 cites · 202467% earned
- 1638US12054901B1Unpowered-filtering sewage cleaning device2 cites · 202476% earned
- 1733US12247387B1Protective cover for drain snakes1 cites · 202567% earned
- 1829US12404664B2Shower drain assemblies1 cites · 202556% earned
- 1925US12129641B1Quick-cleaning drain for quick replacement of cleaning parts1 cites · 202456% earned
- 2021US11898340B1Cryogenic trench/trough apparatus and method1 cites · 202444% earned
- 2117US12000134B2Crossflow setting devices and methods of use1 cites · 202456% earned
- 2213US12181060B2Telescoping spring retention assembly for a check valve0 cites · 20240% earned
- 238US12372478B1Pipe inspection and cleaning apparatus and systems0 cites · 20250% earned
- 244US12325970B2Drain assembly for use in an outdoor setting0 cites · 20240% earned
- 251US12383937B2Drain cleaner fluid management0 cites · 20240% earned
Active· last 5 yrs
The top-scoring E03F patents of the last 5 years
- 199US11623830B1✦ AITrailer with loading and unloading system21 cites · 202374% earned
- 296US12203476B2✦ AIIn-line pumping apparatus, system and method for increasing liquid flow in gravity network9 cites · 202487% earned
- 392US11459744B2✦ AIIn-pipe storm water filter18 cites · 202289% earned
- 488US11199510B1Pipe inspection and cleaning apparatus and systems16 cites · 202174% earned
- 583US10982425B1Apparatus for capturing and destroying hair within a shower drain19 cites · 202181% earned
- 679USD909544SCover for a linear shower drain21 cites · 202185% earned
- 775US11441305B1Device for preventing drain blockage11 cites · 202288% earned
- 871US11982280B2In-line pumping apparatus, system and method for increasing liquid flow in gravity network19 cites · 202290% earned
- 967US11629486B2Vacuum waste system12 cites · 202182% earned
- 1063US11536017B2Modular precast concrete water storage device and system14 cites · 202189% earned
- 1158US11535812B2Apparatus and method for collection and disposal of fats, oil and grease9 cites · 202281% earned
- 1254US11149429B2Modular drain assembly for pod constructed room12 cites · 202176% earned
- 1350US10882772B1Stormwater collection, treatment, and aquifer replenishment installations and methods14 cites · 202180% earned
- 1446US11131069B2Trench drain alignment system14 cites · 202189% earned
- 1542US11346094B2Storm drain filters16 cites · 202189% earned
- 1638US12334720B2Structure for attaching grating lid onto resin trough body; trough track; trough track for6 cites · 202385% earned
- 1733US11965305B1Electronic well lid based on electric control travel switch control6 cites · 202485% earned
- 1829US11492793B2Storm water drain tank and assembly13 cites · 202288% earned
- 1925US11332918B2Storm drain grate and filter apparatus and method11 cites · 202176% earned
- 2021US11550214B1Spring assemblies with variable flexibility for use with push-cables and pipe inspection s9 cites · 202370% earned
- 2117US11877573B2Vector control screen for stormwater treatment systems9 cites · 202287% earned
- 2213US11529571B2Apparatus and method for collection and disposal of fats, oil and grease9 cites · 202287% earned
- 238US11913213B2Modular adjustable linear shower drain system7 cites · 202375% earned
- 244US12163326B1System for capturing and destroying hair or waste within a commercial shower drain7 cites · 202486% earned
- 251US11008748B1Apparatuses and methods for a storm drain grate guard10 cites · 202187% earned
All-time canon
The defining E03F patents of the whole record
- 199US4009063A✦ AIMethod of lining a pipe345 cites · 197794% earned
- 296US4843575A✦ AIInteractive dynamic real-time management system304 cites · 198994% earned
- 392US6277274B1✦ AIMethod and apparatus for treating stormwater runoff248 cites · 200191% earned
- 488US6108597AAutonomous mobile robot system for sensor-based and map-based navigation in pipe networks237 cites · 200094% earned
- 583US6052960AWater cutoff junction member for concrete products to be joined together236 cites · 200094% earned
- 679US5810510AUnderground drainage system235 cites · 199894% earned
- 775US4419232AFiltering and collecting device for water drains228 cites · 198394% earned
- 871US5405539AStorm drain filter system219 cites · 199594% earned
- 967US5812962AMethod and apparatus for organizing storing and retrieving information to administer a sew210 cites · 199894% earned
- 1063US5820762AFilter insert for a storm drain206 cites · 199894% earned
- 1158US5707527AApparatus and method for treating storm water runoff203 cites · 199894% earned
- 1254US4146939ADrain fitting for pre-formed or pre-assembled showers, etc.199 cites · 197994% earned
- 1350US4584654AMethod and system for monitoring operating efficiency of pipeline system193 cites · 198694% earned
- 1446US5848856ASubsurface fluid drainage and storage systems180 cites · 199890% earned
- 1542US6086758AStorm drain liner162 cites · 200088% earned
- 1638US5342144AStormwater control system158 cites · 199494% earned
- 1733US6537446B1Drainage filter system for debris and contaminant removal153 cites · 200394% earned
- 1829US5322629AMethod and apparatus for treating storm water152 cites · 199494% earned
- 1925US5403474ACurb inlet gravel sediment filter146 cites · 199594% earned
- 2021US6106707ACurb-inlet storm drain systems for filtering trash and hydrocarbons145 cites · 200090% earned
- 2117US6531059B1Suspended runoff water filter145 cites · 200390% earned
- 2213US5954952AStormwater catch basin filter assembly139 cites · 199993% earned
- 238US5223154ASystem for filtering liquids in a catch basin using filters in series and overflow channel137 cites · 199393% earned
- 244US6270663B1Storm drain filter system137 cites · 200193% earned
- 251US5372714AStorm sewer catch basin and filter135 cites · 199490% earned
Rising· last 2 yrs
Assignees whose newest E03F patents became public in the last 2 years — the current frontier
- 199STORMTRAP LLC14 patents · 247 citations
- 296US NAVY9 patents · 182 citations
- 392SEESCAN INC18 patents · 126 citations
- 488ADVANCED DRAINAGE SYST32 patents · 170 citations
- 583MILWAUKEE ELECTRIC TOOL CORP37 patents · 72 citations
- 679WASKEY BRIDGES INC11 patents · 42 citations
- 775MAC & MAC HYDRODEMOLITION INC9 patents · 57 citations
- 871RIDGE TOOL CO25 patents · 45 citations
- 967SMITH & LOVELESS INC8 patents · 63 citations
- 1063BE AEROSPACE INC19 patents · 27 citations
- 1158INFILTRATOR WATER TECH LLC13 patents · 26 citations
- 1254INFINITY DRAIN LTD7 patents · 24 citations
- 1350SHERWOOD ROBERT8 patents · 21 citations
- 1446KOHLER CO8 patents · 67 citations
- 1542NeverClog LLC3 patents · 36 citations
- 1638WATTS REGULATOR CO11 patents · 12 citations
- 1733IPEK INT GMBH12 patents · 13 citations
- 1829ZOELLER PUMP COMPANY LLC6 patents · 16 citations
- 1925THE AMERICAN DRAIN COMPANY LLC4 patents · 9 citations
- 2021UNIV OHIO3 patents · 48 citations
- 2117UNIV CHONGQING7 patents · 17 citations
- 2213CONTECH ENG SOLUTIONS LLC8 patents · 8 citations
- 238RUSSELL MATTHEW F4 patents · 5 citations
- 244MMT INC3 patents · 6 citations
- 251LIXIL CORP4 patents · 3 citations
Active· last 5 yrs
Sustained E03F output across the last 5 years
- 199STORMTRAP LLC14 patents · 247 citations
- 296ZURN IND LLC32 patents · 359 citations
- 392POTTS DAVID A16 patents · 159 citations
- 488US NAVY9 patents · 182 citations
- 583THERMACO INC17 patents · 170 citations
- 679BOEING CO11 patents · 190 citations
- 775OATEY CO15 patents · 165 citations
- 871SEESCAN INC18 patents · 126 citations
- 967SILT SAVER INC5 patents · 165 citations
- 1063BIO CLEAN ENV SERVICES INC21 patents · 119 citations
- 1158ADVANCED DRAINAGE SYST32 patents · 170 citations
- 1254ROOFGUARD MFG LLC8 patents · 72 citations
- 1350FROG CREEK PARTNERS LLC5 patents · 63 citations
- 1446MILWAUKEE ELECTRIC TOOL CORP37 patents · 72 citations
- 1542FABCO IND INC6 patents · 106 citations
- 1638JAY R SMITH MFG CO9 patents · 78 citations
- 1733FRIEZNER DENIS7 patents · 61 citations
- 1829MODOLOGY DESIGN GROUP8 patents · 44 citations
- 1925WASKEY BRIDGES INC11 patents · 42 citations
- 2021SUNTREE TECH HOLDINGS LLC5 patents · 50 citations
- 2117MUELLER INT LLC5 patents · 35 citations
- 2213SCHLUTER SYSTEMS LP6 patents · 67 citations
- 238ACORN ENG CO9 patents · 83 citations
- 244MAC & MAC HYDRODEMOLITION INC9 patents · 57 citations
- 251STRATA INNOVATIONS PTY LTD5 patents · 32 citations
All-time canon
All-time PatentIndex Score in E03F
- 199ABTECH INDUSTRIES INC9 patents · 714 citations
- 296INFILTRATOR SYSTEMS INC34 patents · 1,234 citations
- 392TUF TITE INC12 patents · 666 citations
- 488AMERICAN SIGMA INC6 patents · 479 citations
- 583EMERSON ELECTRIC CO17 patents · 931 citations
- 679NU PIPE INC8 patents · 361 citations
- 775ZURN IND INC6 patents · 377 citations
- 871HANCOR INC7 patents · 434 citations
- 967ABT INC28 patents · 878 citations
- 1063CASTING COMPANY CONST7 patents · 392 citations
- 1158WAERTSILAE OY AB14 patents · 574 citations
- 1254ACO POLYMER PRODUCTS INC10 patents · 416 citations
- 1350KRISTAR ENTPR INC12 patents · 461 citations
- 1446HAPPEL HENRY9 patents · 414 citations
- 1542EVAC INT OY29 patents · 688 citations
- 1638STORMTRAP LLC14 patents · 247 citations
- 1733A LOK PROD8 patents · 366 citations
- 1829HITACHI LTD15 patents · 264 citations
- 1925BURTON MECH CONTRACTORS10 patents · 376 citations
- 2021LONG TECHNOLOGIES INC5 patents · 255 citations
- 2117HOOSIER GROUP L L C5 patents · 241 citations
- 2213SEALAND TECHNOLOGY INC16 patents · 365 citations
- 238LAWRENCE IRWIN F8 patents · 295 citations
- 244PRESS SEAL GASKET CORP7 patents · 246 citations
- 251CLEARLINE SYSTEMS INC5 patents · 227 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth