Topic leaderboard
Water-closets, urinals & flushing devices
Ranked by the PatentIndex Score — a 1–99 percentile within E03D · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest E03D patents became public in the last 2 years — the current frontier
- 199Xiaoxiong Mo24 patents · 622 citations
- 296Haiou Wu12 patents · 301 citations
- 392Peter W. Denzin27 patents · 208 citations
- 488Sigmund Lindsay Clements8 patents · 191 citations
- 583Shawn D. Bush37 patents · 205 citations
- 679Clayton C. Garrels39 patents · 96 citations
- 775William Kuru34 patents · 93 citations
- 871Daniel N. Halloran35 patents · 143 citations
- 967Michael Luettgen14 patents · 57 citations
- 1063Jimmie L. Sollami7 patents · 71 citations
- 1158Peter W. Swart22 patents · 64 citations
- 1254Anjum Gupta13 patents · 54 citations
- 1350Billy Jack Ahola18 patents · 45 citations
- 1446Ryan W. Nottage12 patents · 19 citations
- 1542Patrick Gerard Stack11 patents · 36 citations
- 1638William Kalk13 patents · 20 citations
- 1733Tsuyoshi Ozeki6 patents · 81 citations
- 1829Lawrence E. Duwell10 patents · 24 citations
- 1925Donald G. Bogenschuetz9 patents · 21 citations
- 2021Sung-Worl Jin11 patents · 24 citations
- 2117Yaara Kapp-Barnea4 patents · 16 citations
- 2213Parthiv Amin5 patents · 10 citations
- 238Panagiotis Zosimadis5 patents · 10 citations
- 244Qiaohong Chen5 patents · 41 citations
- 251Mark E. Baumgartner7 patents · 11 citations
Active· last 5 yrs
Sustained E03D output across the last 5 years
- 199Xiaoxiong Mo24 patents · 622 citations
- 296Robert E. Saadi8 patents · 435 citations
- 392Haiou Wu12 patents · 301 citations
- 488Peter W. Denzin27 patents · 208 citations
- 583Randy O. Mesun31 patents · 193 citations
- 679Eduardo Coronado16 patents · 198 citations
- 775Robert W. Rodenbeck10 patents · 140 citations
- 871Sigmund Lindsay Clements8 patents · 191 citations
- 967Oscar Dufau13 patents · 149 citations
- 1063Shawn D. Bush37 patents · 205 citations
- 1158Jared Reynolds30 patents · 201 citations
- 1254Clayton C. Garrels39 patents · 96 citations
- 1350William Kuru34 patents · 93 citations
- 1446Daniel Corbin10 patents · 55 citations
- 1542Dennis Repp10 patents · 55 citations
- 1638Gregory Blake10 patents · 55 citations
- 1733Kevin Bowcutt10 patents · 55 citations
- 1829Eric M. Plate9 patents · 77 citations
- 1925Daniel N. Halloran35 patents · 143 citations
- 2021Michael A. Funari23 patents · 110 citations
- 2117Ahmed Shishegar8 patents · 45 citations
- 2213Robert M. Connell8 patents · 45 citations
- 238Sam Iravantchi8 patents · 45 citations
- 244Jack Nguyen6 patents · 155 citations
- 251Rock R. Allard, Iii8 patents · 50 citations
All-time canon
Career PatentIndex Score in E03D
- 199Fred Judson Heinzmann6 patents · 780 citations
- 296Andrew J. Paese5 patents · 728 citations
- 392Carter J. Thomas5 patents · 728 citations
- 488Steven M. Tervo5 patents · 728 citations
- 583William R. Burnett5 patents · 728 citations
- 679Fatih Guler27 patents · 1,047 citations
- 775John F. Whiteside13 patents · 778 citations
- 871Martin J. Laverty, Jr.7 patents · 544 citations
- 967Atsuo Makita10 patents · 569 citations
- 1063Osamu Tsutsui10 patents · 501 citations
- 1158Richard Quintana8 patents · 463 citations
- 1254Xiaoxiong Mo24 patents · 622 citations
- 1350Robert E. Saadi8 patents · 435 citations
- 1446David Nichols-Roy17 patents · 367 citations
- 1542Stephen B. Leonard8 patents · 353 citations
- 1638Gregory P. Greene6 patents · 254 citations
- 1733Toshifumi Shigematsu5 patents · 440 citations
- 1829Anton J. Kolar6 patents · 458 citations
- 1925Haiou Wu12 patents · 301 citations
- 2021Martin E. Marcichow6 patents · 231 citations
- 2117Michael E. Klinkhammer13 patents · 317 citations
- 2213B. Eugene Hodges5 patents · 268 citations
- 238Daniel C. Shaw6 patents · 245 citations
- 244Jae K. Sim11 patents · 386 citations
- 251Noboru Shinbara5 patents · 284 citations
Rising· last 2 yrs
The top-scoring E03D patents made public in the last 2 years
- 199US11907421B1✦ AIMixed reality glasses operating public devices with gaze and secondary user input19 cites · 202490% earned
- 296US12076739B1✦ AIBidet with filter6 cites · 202485% earned
- 392US12139900B2✦ AIUrinal screens3 cites · 202456% earned
- 488US12285139B1Pedestal type toilet for children2 cites · 202576% earned
- 583US11913212B2Bidet folding structure2 cites · 202476% earned
- 679US12392313B2Bodily emission analysis1 cites · 202444% earned
- 775US12497769B2Flush toilet apparatus1 cites · 202567% earned
- 871US11987967B1High efficiency toilet1 cites · 202456% earned
- 967US12404894B2Adjustable hinge fasteners for use with a bidet apparatus1 cites · 202467% earned
- 1063US12442173B2Retrofit portable bidet assembly1 cites · 202567% earned
- 1158US12371888B2Bidet attachment for a toilet with integrated deodorizer spray system1 cites · 202467% earned
- 1254US12312793B1Portable child seat bidets1 cites · 202567% earned
- 1350US11920334B1Urine splash guard for the rear of a toilet seat1 cites · 202467% earned
- 1446US12320110B2Clean toilet and accessories0 cites · 20240% earned
- 1542US12404949B2Rigid piston for use in a flush valve0 cites · 20240% earned
- 1638US12182150B2System and method for transmitting electronic plumbing fixture data and health data to a u0 cites · 20240% earned
- 1733US12209401B2Gravity-fed toilet with quiet siphonic flush0 cites · 20240% earned
- 1829US12428828B2Grey water toilet and flushing method0 cites · 20240% earned
- 1925US12421931B2Buoy with radiated wave reflector0 cites · 20240% earned
- 2021US12178411B2Feces color detection device0 cites · 20240% earned
- 2117US12345035B2Toilet with non-vitreous flush engine0 cites · 20240% earned
- 2213US12509868B2Quiet flush actuator for pressure-assist toilets0 cites · 20240% earned
- 238US12396601B2Toilet shield0 cites · 20240% earned
- 244US12360100B2Health seat for toilets and bidets0 cites · 20240% earned
- 251US12139901B2Programmable toilet flush initiating, monitoring and management system and method thereof0 cites · 20240% earned
Active· last 5 yrs
The top-scoring E03D patents of the last 5 years
- 199US11907421B1✦ AIMixed reality glasses operating public devices with gaze and secondary user input19 cites · 202490% earned
- 296US12076739B1✦ AIBidet with filter6 cites · 202485% earned
- 392US11629486B2✦ AIVacuum waste system12 cites · 202182% earned
- 488US10924603B1Phone map used to find and operate multiuser devices15 cites · 202189% earned
- 583US11060268B1Methods and systems for plumbing fixture installations11 cites · 202178% earned
- 679US11193263B1Fastener cover for bidet attachment11 cites · 202188% earned
- 775US11685594B2Spray canister device7 cites · 202275% earned
- 871US11814834B2Bidet washing apparatus with disinfectant wash feature7 cites · 202286% earned
- 967US11396745B2Urinal screens8 cites · 202267% earned
- 1063US11505935B2Urinal screen having foldable portions7 cites · 202186% earned
- 1158US11519162B1Clog saver device for a toilet system7 cites · 202286% earned
- 1254US11234562B1Handheld personal perineal cleansing system and methods8 cites · 202286% earned
- 1350US11519164B1Urinal screen formed with fold lines5 cites · 202284% earned
- 1446US12042104B2Toilet venting5 cites · 202384% earned
- 1542US11499304B1Multi functional spray for bidet attachment6 cites · 202285% earned
- 1638US11560703B2Gravity-fed toilet with quiet siphonic flush5 cites · 202167% earned
- 1733US11561181B2Bodily emission analysis5 cites · 202167% earned
- 1829US11214950B2Sanitary washing device6 cites · 202185% earned
- 1925US12285139B1Pedestal type toilet for children2 cites · 202576% earned
- 2021US11739518B2Flush toilet4 cites · 202282% earned
- 2117US11879244B2Add-on bidet module for a toilet4 cites · 202382% earned
- 2213US11549250B1Freshwater conservation drain system4 cites · 202382% earned
- 238US11505934B2Universal port for a bidet washing apparatus6 cites · 202185% earned
- 244US11478114B2Toilet seat apparatus and excrement detection apparatus5 cites · 202184% earned
- 251US11879236B2Intake filter for water collection system with pressure activated backwash valve4 cites · 202167% earned
All-time canon
The defining E03D patents of the whole record
- 199US6250601B1✦ AIAdvanced touchless plumbing systems343 cites · 200194% earned
- 296US4563780A✦ AIAutomated bathroom298 cites · 198694% earned
- 392US5111539A✦ AIToilet device with system for inspecting health conditions268 cites · 199294% earned
- 488US5288306AActivated carbon honeycombs and applications thereof175 cites · 199494% earned
- 583US4830791AOdor control device175 cites · 198994% earned
- 679US5244179ADiaphragm stop for sensor-operated, battery-powered flush valve174 cites · 199394% earned
- 775US5125621AFlush system172 cites · 199294% earned
- 871US4793588AFlush valve with an electronic sensor and solenoid valve168 cites · 198894% earned
- 967US5169118ASensor-operated battery-powered flush valve167 cites · 199294% earned
- 1063US5449117AApparatus and method for controllably dispensing drops of liquid167 cites · 199594% earned
- 1158US4309781AAutomatic flushing system166 cites · 198294% earned
- 1254US5403548AActivated carbon adsorbent and applications thereof160 cites · 199594% earned
- 1350US4141091AAutomated flush system159 cites · 197994% earned
- 1446US6917652B2Device and method for decoding video signal151 cites · 200194% earned
- 1542US7383721B2Leak Detector150 cites · 200685% earned
- 1638US6056261ASensor-operated solenoid direct drive flush valve150 cites · 200094% earned
- 1733US7610057B2Selecting a wireless networking technology on a device capable of carrying out wireless ne150 cites · 200594% earned
- 1829US5431181AAutomatic valve assembly144 cites · 199593% earned
- 1925US6000674AReliable flush valve142 cites · 199993% earned
- 2021US5823390AChemical dispensing apparatus having a pivotal actuator141 cites · 199893% earned
- 2117US5267587AUtilities shutoff system139 cites · 199393% earned
- 2213US5036553AFully automatic toilet system138 cites · 199193% earned
- 238US5224685APower-saving controller for toilet flushing137 cites · 199393% earned
- 244US5482250AAutomatic flushing device135 cites · 199693% earned
- 251US6206340B1Radar devices for low power applications and bathroom fixtures128 cites · 200188% earned
Rising· last 2 yrs
Assignees whose newest E03D patents became public in the last 2 years — the current frontier
- 199SLOAN VALVE CO99 patents · 3,402 citations
- 296KOHLER CO179 patents · 1,758 citations
- 392TOTO LTD305 patents · 3,087 citations
- 488BOEING CO26 patents · 531 citations
- 583CLEMENTS SIGMUND LINDSAY8 patents · 191 citations
- 679FRESH PROD INC10 patents · 125 citations
- 775SDB IP HOLDINGS LLC28 patents · 106 citations
- 871OUTSENSE DIAGNOSTICS LTD8 patents · 49 citations
- 967AS AMERICA INC39 patents · 39 citations
- 1063BE AEROSPACE INC23 patents · 28 citations
- 1158SHANGHAI KOHLER ELECTRONICS41 patents · 28 citations
- 1254LIXIL CORP33 patents · 31 citations
- 1350AIRBUS OPERATIONS GMBH7 patents · 21 citations
- 1446STACK PATRICK GERARD7 patents · 12 citations
- 1542COWAY CO LTD18 patents · 15 citations
- 1638GEBERIT INT AG19 patents · 8 citations
- 1733SOLLAMI JIMMIE L4 patents · 12 citations
- 1829HYDRAZE INC5 patents · 5 citations
- 1925SPLASH GUARD LLC3 patents · 5 citations
- 2021KOHLER CHINA INVEST CO LTD12 patents · 4 citations
- 2117XIAMEN R&T PLUMBING TECHNOLOGY CO LTD7 patents · 4 citations
- 2213IZEN CO LTD2 patents · 22 citations
- 238XIAMEN SHENGBORUI TECH CO LTD2 patents · 8 citations
- 2442GO PRODUCTS LLC3 patents · 5 citations
- 251LONE GULL HOLDINGS LTD4 patents · 0 citations
Active· last 5 yrs
Sustained E03D output across the last 5 years
- 199SLOAN VALVE CO99 patents · 3,402 citations
- 296KOHLER CO179 patents · 1,758 citations
- 392TOTO LTD305 patents · 3,087 citations
- 488JOHNSON & SON INC S C30 patents · 826 citations
- 583BOEING CO26 patents · 531 citations
- 679FLUIDMASTER52 patents · 720 citations
- 775PROCTER & GAMBLE30 patents · 515 citations
- 871COFLEX SA DE CV13 patents · 172 citations
- 967CLEMENTS SIGMUND LINDSAY8 patents · 191 citations
- 1063FRESH PROD INC10 patents · 125 citations
- 1158SAMSUNG ELECTRONICS CO LTD18 patents · 211 citations
- 1254SDB IP HOLDINGS LLC28 patents · 106 citations
- 1350LIMIT INC12 patents · 58 citations
- 1446LAVELLE IND INC17 patents · 111 citations
- 1542DANCO INC31 patents · 64 citations
- 1638OUTSENSE DIAGNOSTICS LTD8 patents · 49 citations
- 1733DELTA FAUCET CO10 patents · 41 citations
- 1829ZURN IND LLC23 patents · 73 citations
- 1925GUPTA ANJUM6 patents · 45 citations
- 2021CREVIER JEFFREY SCOTT7 patents · 54 citations
- 2117HENKEL AG & CO KGAA13 patents · 30 citations
- 2213AS AMERICA INC39 patents · 39 citations
- 238MAG AEROSPACE IND LLC21 patents · 43 citations
- 244GLOBE UNION IND CORP9 patents · 44 citations
- 251BE AEROSPACE INC23 patents · 28 citations
All-time canon
All-time PatentIndex Score in E03D
- 199SLOAN VALVE CO99 patents · 3,402 citations
- 296KOHLER CO179 patents · 1,758 citations
- 392TOTO LTD305 patents · 3,087 citations
- 488ARICHELL TECH INC20 patents · 906 citations
- 583ZURN IND INC11 patents · 579 citations
- 679COYNE & DELANY CO7 patents · 544 citations
- 775JOHNSON & SON INC S C30 patents · 826 citations
- 871BOEING CO26 patents · 531 citations
- 967TECHNICAL CONCEPTS LLC9 patents · 381 citations
- 1063FLUIDMASTER52 patents · 720 citations
- 1158THETFORD CORP46 patents · 998 citations
- 1254HUNTER PLUMBING PRODUCTS8 patents · 230 citations
- 1350PARSONS NATAN E8 patents · 225 citations
- 1446INAX CORP16 patents · 352 citations
- 1542GEBERIT TECHNIK AG28 patents · 467 citations
- 1638MICROSOFT CORP6 patents · 335 citations
- 1733MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 patents · 428 citations
- 1829EVAC INT OY12 patents · 337 citations
- 1925PROCTER & GAMBLE30 patents · 515 citations
- 2021PEARSON RAYMOND H8 patents · 282 citations
- 2117AMERICAN STANDARD INC34 patents · 635 citations
- 2213WATERBURY CO INC5 patents · 224 citations
- 238SEALAND TECHNOLOGY INC19 patents · 329 citations
- 244MASCO CORP15 patents · 314 citations
- 251COFLEX SA DE CV13 patents · 172 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth