Topic leaderboard
Chairs, sofas & beds
Ranked by the PatentIndex Score — a 1–99 percentile within A47C · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest A47C patents became public in the last 2 years — the current frontier
- 199Gordon J. Peterson90 patents · 3,973 citations
- 296Martin B. Rawls-Meehan82 patents · 3,257 citations
- 392Michael Yancharas12 patents · 932 citations
- 488Michael J. Brykalski26 patents · 1,770 citations
- 583John Terech23 patents · 1,392 citations
- 679Dusko Petrovski17 patents · 1,618 citations
- 775Robert Vidojevski14 patents · 763 citations
- 871Paul James Mahoney10 patents · 1,227 citations
- 967Matthew Wayne Tilstra20 patents · 1,129 citations
- 1063Stacy Stusynski23 patents · 908 citations
- 1158John Mcguire22 patents · 1,182 citations
- 1254Rob Nunn34 patents · 1,526 citations
- 1350Wade Daniel Palashewski46 patents · 1,800 citations
- 1446Carl Hewitt24 patents · 981 citations
- 1542Steven Jerome Caruso23 patents · 1,092 citations
- 1638Gary Lee Karsten32 patents · 933 citations
- 1733Eric Rose29 patents · 856 citations
- 1829Shawn D. Nelson38 patents · 1,037 citations
- 1925Robert Erko15 patents · 545 citations
- 2021David M. Underwood36 patents · 914 citations
- 2117Kody Lee Karschnik32 patents · 615 citations
- 2213Russell T. Holdredge19 patents · 462 citations
- 238Matthew Glen Hilden7 patents · 408 citations
- 244David Bodnar12 patents · 494 citations
- 251Eugene Alletto, Jr.60 patents · 331 citations
Active· last 5 yrs
Sustained A47C output across the last 5 years
- 199Randy J. Sayers16 patents · 2,233 citations
- 296Gordon J. Peterson90 patents · 3,973 citations
- 392Jack Wilker, Jr.13 patents · 1,336 citations
- 488Martin B. Rawls-Meehan82 patents · 3,257 citations
- 583Michael Yancharas12 patents · 932 citations
- 679Michael J. Brykalski26 patents · 1,770 citations
- 775John Terech23 patents · 1,392 citations
- 871Robert Scheper19 patents · 1,732 citations
- 967Robert J. Battey59 patents · 1,962 citations
- 1063Dusko Petrovski17 patents · 1,618 citations
- 1158Jay R. Machael42 patents · 2,330 citations
- 1254Johann Burkhard Schmitz33 patents · 1,700 citations
- 1350Claudia Plikat25 patents · 1,653 citations
- 1446Carola Zwick14 patents · 1,061 citations
- 1542Roland Zwick14 patents · 1,061 citations
- 1638Robert Vidojevski14 patents · 763 citations
- 1733Paul James Mahoney10 patents · 1,227 citations
- 1829Matthew Wayne Tilstra20 patents · 1,129 citations
- 1925Stacy Stusynski23 patents · 908 citations
- 2021John Mcguire22 patents · 1,182 citations
- 2117Rob Nunn34 patents · 1,526 citations
- 2213Wade Daniel Palashewski46 patents · 1,800 citations
- 238Carl Hewitt24 patents · 981 citations
- 244Steven Jerome Caruso23 patents · 1,092 citations
- 251James D. Slagh13 patents · 694 citations
All-time canon
Career PatentIndex Score in A47C
- 199Larry Dekraker35 patents · 3,626 citations
- 296Glenn A. Knoblock41 patents · 4,606 citations
- 392Donald Chadwick20 patents · 3,310 citations
- 488William E. Stumpf17 patents · 2,979 citations
- 583Rodney C. Schoenfelder17 patents · 2,822 citations
- 679Carolyn Keller11 patents · 2,442 citations
- 775Eric Cammenga11 patents · 2,382 citations
- 871Randy J. Sayers16 patents · 2,233 citations
- 967David S. Teppo19 patents · 2,057 citations
- 1063Gordon J. Peterson90 patents · 3,973 citations
- 1158Charles P. Roossien23 patents · 2,277 citations
- 1254Arnold B. Dammermann21 patents · 2,019 citations
- 1350Jeffrey R. Welling11 patents · 1,388 citations
- 1446Eugene E. Osborne12 patents · 1,476 citations
- 1542Glenn C. Suttman12 patents · 1,476 citations
- 1638Jack Wilker, Jr.13 patents · 1,336 citations
- 1733Matthew Visca10 patents · 1,233 citations
- 1829Martin B. Rawls-Meehan82 patents · 3,257 citations
- 1925John W. Koenig10 patents · 1,185 citations
- 2021Kevin A. Ekdahl8 patents · 980 citations
- 2117Michael Yancharas12 patents · 932 citations
- 2213Edward H. Punches7 patents · 902 citations
- 238James A. Perkins7 patents · 902 citations
- 244Michael J. Brykalski26 patents · 1,770 citations
- 251John Terech23 patents · 1,392 citations
Rising· last 2 yrs
The top-scoring A47C patents made public in the last 2 years
- 199USD1040542S✦ AIOffice chair10 cites · 202481% earned
- 296US12256847B1✦ AISeat cushion10 cites · 202587% earned
- 392US11889926B1✦ AIElastic module unit, elastic pad and furniture12 cites · 202488% earned
- 488US12342970B1Bathroom stool4 cites · 202582% earned
- 583US11969098B1Inflatable bed11 cites · 202482% earned
- 679US12070130B1Bedding components including fluid absorbing gel beads6 cites · 202485% earned
- 775US12102235B1Anti-collapse inflatable air mattress6 cites · 202485% earned
- 871US12053112B1Pillow with internal RF shielding storage compartment8 cites · 202480% earned
- 967US11871848B1Deflectable folding bracket8 cites · 202486% earned
- 1063US11903485B1Lift chair mechanism with zero-gravity position options10 cites · 202481% earned
- 1158US12044243B1Air pump5 cites · 202484% earned
- 1254US12144451B1Pillowcase5 cites · 202484% earned
- 1350US12144432B1Armrest mechanism of foldable sofa5 cites · 202484% earned
- 1446US12127687B1Foldable chair frame and foldable chair5 cites · 202484% earned
- 1542US12453426B2Pocketed buckling member assembly5 cites · 202584% earned
- 1638US11864660B1Adjustable bracket for furniture7 cites · 202486% earned
- 1733US11986103B1Portable folding chair7 cites · 202486% earned
- 1829US11980292B1Swingable bracket for furniture7 cites · 202486% earned
- 1925US12161232B2Body support assembly and methods for the use and assembly thereof6 cites · 202468% earned
- 2021US12279702B1Pillow slipcover with bolster4 cites · 202575% earned
- 2117US11937703B2Inflatable bed with gas delivery pipe6 cites · 202485% earned
- 2213US12053097B1Anti-collapse inflatable mattress4 cites · 202482% earned
- 238US12520941B1Seat bracket and zero-wall-gap seat with seat bracket2 cites · 202676% earned
- 244US12082702B1Inflatable bed with mesh-shaped inclined diaphragm6 cites · 202485% earned
- 251US12292100B1Adjustment mechanism, armrest, and seat2 cites · 202576% earned
Active· last 5 yrs
The top-scoring A47C patents of the last 5 years
- 199US11700943B1✦ AIFoldable chair20 cites · 202390% earned
- 296US11064810B2✦ AIChair having removable cup holder38 cites · 202191% earned
- 392US11503920B1✦ AIDouble-layer inflatable bed25 cites · 202290% earned
- 488US11439238B1Folding chair23 cites · 202290% earned
- 583US11406192B1Detachable sofa22 cites · 202290% earned
- 679US11786041B1Folding seat support frame16 cites · 202389% earned
- 775USD1040542SOffice chair10 cites · 202481% earned
- 871US12256847B1Seat cushion10 cites · 202587% earned
- 967USD978568SCushion24 cites · 202390% earned
- 1063USD996091SSeat cushion14 cites · 202389% earned
- 1158US11844732B2Support for securing a robotic system to a patient table18 cites · 202384% earned
- 1254US11889926B1Elastic module unit, elastic pad and furniture12 cites · 202488% earned
- 1350US11844439B1Height-adjustable folding chair12 cites · 202388% earned
- 1446US12342970B1Bathroom stool4 cites · 202582% earned
- 1542US11457742B1Modular sofa16 cites · 202289% earned
- 1638US11744376B2Microclimate control systems and methods27 cites · 202391% earned
- 1733US11969098B1Inflatable bed11 cites · 202482% earned
- 1829US11020298B2Climate-controlled topper member for beds21 cites · 202170% earned
- 1925US10905249B1Multifunctional smart beds and methods of operating thereof21 cites · 202185% earned
- 2021US11452378B1Mechanical stretching device for movable seat unit and seat unit17 cites · 202276% earned
- 2117US11564498B1Intelligent sofa mechanical extension device17 cites · 202389% earned
- 2213US11357329B2Body support assembly and methods for the use and assembly thereof20 cites · 202177% earned
- 238US10945533B1Air bed19 cites · 202190% earned
- 244US11723477B2Convertible highchair19 cites · 202190% earned
- 251US11160400B1Travel pillow18 cites · 202184% earned
All-time canon
The defining A47C patents of the whole record
- 199US5168605A✦ AIMethod and apparatus for securing a tarp1,090 cites · 199295% earned
- 296US8723677B1✦ AIPatient safety system with automatically adjusting bed778 cites · 201492% earned
- 392US9226696B2✦ AIPatient safety system with automatically adjusting bed509 cites · 201492% earned
- 488US5948303ATemperature control for a bed384 cites · 199994% earned
- 583US5518294AVariable apex back support372 cites · 199694% earned
- 679US5002336ASelectively cooled or heated seat and backrest construction363 cites · 199194% earned
- 775US5871258AChair with novel seat construction360 cites · 199979% earned
- 871US5626021AVariable temperature seat climate control system356 cites · 199794% earned
- 967US5170364AFeedback system for load bearing surface340 cites · 199291% earned
- 1063USRE38128EVariable temperature seat climate control system333 cites · 200391% earned
- 1158US5904172AValve enclosure assembly332 cites · 199994% earned
- 1254US4890344AAir control system for air bed329 cites · 199091% earned
- 1350US4655505APneumatically controlled seat for vehicle327 cites · 198794% earned
- 1446US6035901AWoven fabric membrane for a seating surface325 cites · 200081% earned
- 1542US6059368AOffice chair323 cites · 200081% earned
- 1638US4766628AAir mattress with filler check valve and cap therefor323 cites · 198894% earned
- 1733US6572190B2Lumbar support for a chair319 cites · 200288% earned
- 1829US5060174AMethod and apparatus for evaluating a load bearing surface such as a seat319 cites · 199194% earned
- 1925US4803744AInflatable bed316 cites · 198994% earned
- 2021US4923248ACooling and heating seat pad construction313 cites · 199094% earned
- 2117US5170522AAir adjustable bed313 cites · 199294% earned
- 2213US5597200AVariable temperature seat311 cites · 199791% earned
- 238US6857697B2Automotive vehicle seating comfort system310 cites · 200386% earned
- 244US6203105B1Vehicle impact responsive multiple bladder seating and headrest system and method310 cites · 200194% earned
- 251US5887304AApparatus and method for preventing sudden infant death syndrome308 cites · 199994% earned
Rising· last 2 yrs
Assignees whose newest A47C patents became public in the last 2 years — the current frontier
- 199HILL ROM SERVICES INC174 patents · 6,623 citations
- 296STEELCASE INC258 patents · 8,803 citations
- 392HAWORTH INC92 patents · 4,823 citations
- 488SLEEP NUMBER CORP149 patents · 2,423 citations
- 583STRYKER CORP73 patents · 1,334 citations
- 679HNI TECH INC39 patents · 1,280 citations
- 775LEAR CORP72 patents · 1,354 citations
- 871KRUEGER INT INC37 patents · 1,225 citations
- 967HUMANSCALE CORP13 patents · 479 citations
- 1063LIFETIME PROD INC23 patents · 606 citations
- 1158LA Z BOY INC88 patents · 1,540 citations
- 1254BE AEROSPACE INC54 patents · 755 citations
- 1350SEALY TECHNOLOGY LLC57 patents · 1,039 citations
- 1446BEDGEAR LLC63 patents · 239 citations
- 1542REGALO INT LLC55 patents · 383 citations
- 1638ULTRA MEK INC46 patents · 724 citations
- 1733CHEN LIBIN24 patents · 388 citations
- 1829PARAMOUNT BED KK71 patents · 624 citations
- 1925EIGHT SLEEP INC11 patents · 129 citations
- 2021TS TECH CO LTD116 patents · 504 citations
- 2117ASCION LLC25 patents · 277 citations
- 2213HONDA MOTOR CO LTD16 patents · 431 citations
- 238ZINUS INC46 patents · 465 citations
- 244LoveSac Company28 patents · 262 citations
- 251AMENITY HEALTH INC13 patents · 159 citations
Active· last 5 yrs
Sustained A47C output across the last 5 years
- 199MILLER HERMAN INC117 patents · 8,365 citations
- 296HILL ROM SERVICES INC174 patents · 6,623 citations
- 392STEELCASE INC258 patents · 8,803 citations
- 488FORMWAY FURNITURE LTD19 patents · 990 citations
- 583HAWORTH INC92 patents · 4,823 citations
- 679SLEEP NUMBER CORP149 patents · 2,423 citations
- 775GENTHERM INC19 patents · 678 citations
- 871L & P PROPERTY MANAGEMENT CO251 patents · 6,868 citations
- 967STRYKER CORP73 patents · 1,334 citations
- 1063OKAMURA CORP34 patents · 1,446 citations
- 1158TEAM WORLDWIDE CORP27 patents · 969 citations
- 1254KNOLL INC31 patents · 928 citations
- 1350KOKUYO KK30 patents · 1,020 citations
- 1446HNI TECH INC39 patents · 1,280 citations
- 1542LEAR CORP72 patents · 1,354 citations
- 1638AISIN SEIKI35 patents · 1,186 citations
- 1733KRUEGER INT INC37 patents · 1,225 citations
- 1829HUMANSCALE CORP13 patents · 479 citations
- 1925LIFETIME PROD INC23 patents · 606 citations
- 2021LA Z BOY INC88 patents · 1,540 citations
- 2117LEACH JAMIE S18 patents · 806 citations
- 2213CASCADE DESIGNS INC16 patents · 493 citations
- 238BE AEROSPACE INC54 patents · 755 citations
- 244SEALY TECHNOLOGY LLC57 patents · 1,039 citations
- 251DREAMWELL LTD129 patents · 1,280 citations
All-time canon
All-time PatentIndex Score in A47C
- 199MILLER HERMAN INC117 patents · 8,365 citations
- 296STEELCASE DEV CORP62 patents · 4,929 citations
- 392HILL ROM SERVICES INC174 patents · 6,623 citations
- 488STEELCASE INC258 patents · 8,803 citations
- 583RAWLS-MEEHAN MARTIN B56 patents · 2,875 citations
- 679SELECT COMFORT CORP29 patents · 5,998 citations
- 775STEELCASE DEV INC19 patents · 1,795 citations
- 871HON TECH INC20 patents · 2,072 citations
- 967AMERIGON INC12 patents · 2,345 citations
- 1063WET AUTOMOTIVE SYSTEMS AG16 patents · 1,564 citations
- 1158WALKER ROBERT A8 patents · 2,282 citations
- 1254BRYKALSKI MICHAEL J6 patents · 911 citations
- 1350HILL ROM CO INC14 patents · 1,793 citations
- 1446FORMWAY FURNITURE LTD19 patents · 990 citations
- 1542EDIZONE LC5 patents · 907 citations
- 1638MAXWELL PRODUCTS INC9 patents · 1,296 citations
- 1733SCHUSTER WILHELM8 patents · 871 citations
- 1829FEHER STEVE5 patents · 1,166 citations
- 1925TEKSOURCE LC8 patents · 906 citations
- 2021INFANTI CHAIR MFG CO5 patents · 963 citations
- 2117GRAEBE ROBERT H8 patents · 1,451 citations
- 2213HAWORTH INC92 patents · 4,823 citations
- 238SLEEP NUMBER CORP149 patents · 2,423 citations
- 244SPAN AMERICA MEDICAL SYST17 patents · 1,590 citations
- 251MCCORD WINN TEXTRON INC10 patents · 1,273 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth