Topic leaderboard
CPC A47L
Ranked by the PatentIndex Score — a 1–99 percentile within A47L · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest A47L patents became public in the last 2 years — the current frontier
- 199Wayne Ernest Conrad567 patents · 14,067 citations
- 296Nicola John Policicchio77 patents · 3,071 citations
- 392Donald R. High45 patents · 1,016 citations
- 488Dave Petersen73 patents · 2,555 citations
- 583Michael D. Atchley33 patents · 834 citations
- 679David C. Winkle32 patents · 751 citations
- 775Kenneth M. Lenkiewicz46 patents · 1,568 citations
- 871Jeffrey W. Mammen25 patents · 1,132 citations
- 967Karl Kay10 patents · 256 citations
- 1063Michael J. Halloran27 patents · 886 citations
- 1158Gary Dean Ragner11 patents · 657 citations
- 1254Marcus Williams34 patents · 556 citations
- 1350Aaron P. Griffith26 patents · 553 citations
- 1446Jung-Gyun Han66 patents · 1,974 citations
- 1542Chen Zhang26 patents · 672 citations
- 1638Jianjun Ge22 patents · 303 citations
- 1733Jincheng Xia20 patents · 279 citations
- 1829Yongsheng Liang18 patents · 258 citations
- 1925Xin Chen16 patents · 257 citations
- 2021Zhenjiang Yin16 patents · 257 citations
- 2117Kam Hoi Ma18 patents · 343 citations
- 2213Ali Ebrahimi Afrouzi91 patents · 806 citations
- 238Hyun Ju Lee32 patents · 657 citations
- 244Colin Angle10 patents · 353 citations
- 251Jason B. Thorne98 patents · 684 citations
Active· last 5 yrs
Sustained A47L output across the last 5 years
- 199Daniel N. Ozick56 patents · 3,485 citations
- 296Wayne Ernest Conrad567 patents · 14,067 citations
- 392Duane L. Gilbert, Jr.32 patents · 1,872 citations
- 488Gregg W. Landry25 patents · 1,239 citations
- 583Michael F. Wright67 patents · 4,746 citations
- 679Nicola John Policicchio77 patents · 3,071 citations
- 775Donald R. High45 patents · 1,016 citations
- 871Dave Petersen73 patents · 2,555 citations
- 967Mark Steven Schnittman23 patents · 949 citations
- 1063Michael D. Atchley33 patents · 834 citations
- 1158Paul D. Stephens50 patents · 2,575 citations
- 1254Gary A. Kasper68 patents · 2,952 citations
- 1350Eric C. Huffman41 patents · 2,141 citations
- 1446David C. Winkle32 patents · 751 citations
- 1542Kenneth M. Lenkiewicz46 patents · 1,568 citations
- 1638Mark Chiappetta29 patents · 1,340 citations
- 1733Jeffrey W. Mammen25 patents · 1,132 citations
- 1829Robert C. Taylor20 patents · 488 citations
- 1925Anders Haegermarck38 patents · 1,272 citations
- 2021Andrea M. Okerholm9 patents · 513 citations
- 2117Karl Kay10 patents · 256 citations
- 2213Charles A. Reed, Jr.36 patents · 1,859 citations
- 238Alan J. Krebs76 patents · 1,558 citations
- 244George Moyher, Jr.25 patents · 1,094 citations
- 251David Orrin Swett13 patents · 478 citations
All-time canon
Career PatentIndex Score in A47L
- 199Philip R. Mass32 patents · 3,559 citations
- 296Joseph L. Jones55 patents · 5,996 citations
- 392Paul E. Sandin44 patents · 3,832 citations
- 488David M. Nugent16 patents · 2,049 citations
- 583Newton E. Mack16 patents · 2,049 citations
- 679Daniel N. Ozick56 patents · 3,485 citations
- 775David A. Cohen26 patents · 1,906 citations
- 871Wayne Ernest Conrad567 patents · 14,067 citations
- 967Christopher John Morse25 patents · 1,854 citations
- 1063Duane L. Gilbert, Jr.32 patents · 1,872 citations
- 1158James Dyson99 patents · 6,799 citations
- 1254Zivthan A. Dubrovsky22 patents · 1,209 citations
- 1350Gregg W. Landry25 patents · 1,239 citations
- 1446Andrew Ziegler18 patents · 1,397 citations
- 1542Andrew Jones15 patents · 1,249 citations
- 1638Michael F. Wright67 patents · 4,746 citations
- 1733Jeong-Gon Song45 patents · 3,836 citations
- 1829Nobukazu Kawagoe8 patents · 2,359 citations
- 1925Jang-Youn Ko29 patents · 2,743 citations
- 2021Nicola John Policicchio77 patents · 3,071 citations
- 2117Helmut Gerhard Conrad22 patents · 2,332 citations
- 2213Wilbur Cecil Strickland, Jr.15 patents · 1,251 citations
- 238Donald R. High45 patents · 1,016 citations
- 244Dave Petersen73 patents · 2,555 citations
- 251Mark Steven Schnittman23 patents · 949 citations
Rising· last 2 yrs
The top-scoring A47L patents made public in the last 2 years
- 199US12235659B2✦ AIObstacle recognition method for autonomous robots9 cites · 202481% earned
- 296US11961252B1✦ AIMethod and apparatus for combining data to construct a floor plan6 cites · 202468% earned
- 392US12310545B1✦ AIGeneral purpose tidying robot4 cites · 202570% earned
- 488US11899463B1Obstacle recognition method for autonomous robots6 cites · 202467% earned
- 583US11992167B2Surface cleaning apparatus4 cites · 202454% earned
- 679US11896190B1Vacuum cleaner and docking station configured to cooperate with the same5 cites · 202472% earned
- 775USD1029441SDustpan5 cites · 202477% earned
- 871US11992848B2Surface cleaning apparatus3 cites · 202463% earned
- 967US12178383B2Detection device2 cites · 202458% earned
- 1063US12435531B2Pool robot1 cites · 202550% earned
- 1158USD1050205SAttachment device for floor shaving systems2 cites · 202461% earned
- 1254US11910780B2Pet grooming machine and a method for pet hair grooming3 cites · 202480% earned
- 1350US12108924B1Roller brush, floor brush head, brush bristle structure, and vacuum cleaner2 cites · 202476% earned
- 1446US12397241B1Children's car with cleaning function1 cites · 202567% earned
- 1542US12329342B2Dishwasher3 cites · 202480% earned
- 1638US11882969B1Side brush with elongated soft bristles for robotic cleaners3 cites · 202467% earned
- 1733US12329303B1Collapsible storage apparatus for securing packages3 cites · 202580% earned
- 1829USD1015660SWand vacuum4 cites · 202457% earned
- 1925US11896186B1Surface cleaning apparatus2 cites · 202461% earned
- 2021US11986136B2Floor cleaning apparatus with cleaning fluid delivery system2 cites · 202461% earned
- 2117US12121202B2Cleaning device2 cites · 202467% earned
- 2213US12245732B2Grip handle assembly for a mop2 cites · 202476% earned
- 238US12151040B2Extending UV emitter life2 cites · 202476% earned
- 244US12161273B2Surface cleaning apparatus1 cites · 202432% earned
- 251US12362165B2Ultraviolet lamp apparatuses which move their lamp/s while emitting light1 cites · 202540% earned
Active· last 5 yrs
The top-scoring A47L patents of the last 5 years
- 199US11348269B1✦ AIMethod and apparatus for combining data to construct a floor plan226 cites · 202286% earned
- 296US11274929B1✦ AIMethod for constructing a map while performing work189 cites · 202288% earned
- 392US11339579B1✦ AIElectrically powered pool vacuum cleaner53 cites · 202292% earned
- 488US11857142B2Surface cleaning apparatus having an energy storage member and a charger for an energy sto33 cites · 202291% earned
- 583US11047613B1Refrigerator39 cites · 202177% earned
- 679US11730335B1Surface cleaning apparatus with steam26 cites · 202383% earned
- 775US11786093B2Nozzle for cleaner18 cites · 202379% earned
- 871USD990081SCleaning robot23 cites · 202390% earned
- 967US11950745B2Surface cleaning apparatus28 cites · 202171% earned
- 1063US11571097B2Surface cleaning apparatus28 cites · 202191% earned
- 1158US11435746B1Obstacle recognition method for autonomous robots22 cites · 202276% earned
- 1254US11548159B1Modular robot32 cites · 202386% earned
- 1350USD929690SSweeper32 cites · 202191% earned
- 1446US12235659B2Obstacle recognition method for autonomous robots9 cites · 202481% earned
- 1542US11160431B2Surface cleaning apparatus21 cites · 202185% earned
- 1638US11927965B2Obstacle recognition method for autonomous robots21 cites · 202290% earned
- 1733US11449061B2Obstacle recognition method for autonomous robots25 cites · 202190% earned
- 1829US11285495B2Multistage cyclone and surface cleaning apparatus having same28 cites · 202276% earned
- 1925US11561102B1Discovering and plotting the boundary of an enclosure23 cites · 202390% earned
- 2021US11036230B1Method for developing navigation plan in a robotic floor-cleaning device24 cites · 202182% earned
- 2117USD948813SPortable pet grooming system17 cites · 202278% earned
- 2213US11006814B1Stemware support/cup shelf for dishwasher19 cites · 202190% earned
- 238US11408679B2Shoe dryer and control method thereof18 cites · 202189% earned
- 244US11006797B1Station17 cites · 202181% earned
- 251US11446810B1Robotic assistant25 cites · 202290% earned
All-time canon
The defining A47L patents of the whole record
- 199US5778939A✦ AIFlexible plastics vacuum cleaner core1,488 cites · 199895% earned
- 296US8813866B2✦ AIElectric tool powered by a plurality of battery packs and adapter therefor1,275 cites · 201195% earned
- 392US7712182B2✦ AIAir flow-producing device, such as a vacuum cleaner or a blower1,169 cites · 200595% earned
- 488US4540202AArticulated tubular conduit arm for sucking gaseous fluids1,160 cites · 198595% earned
- 583US4828542AFoam substrate and micropackaged active ingredient particle composite dispensing materials1,129 cites · 198995% earned
- 679US6459955B1Home cleaning robot1,009 cites · 200295% earned
- 775US4293604AFlocked three-dimensional network mat840 cites · 198195% earned
- 871US4741941ANonwoven web with projections764 cites · 198895% earned
- 967US6389329B1Mobile robots and their control system671 cites · 200295% earned
- 1063US5959423AMobile work robot system647 cites · 199995% earned
- 1158US6532404B2Mobile robots and their control system613 cites · 200295% earned
- 1254US6883201B2Autonomous floor-cleaning robot583 cites · 200492% earned
- 1350US5787545AAutomatic machine and device for floor dusting559 cites · 199895% earned
- 1446US6690134B1Method and system for robot localization and confinement552 cites · 200482% earned
- 1542US6594844B2Robot obstacle detection system532 cites · 200295% earned
- 1638US5440216ARobot cleaner518 cites · 199595% earned
- 1733US5109566ASelf-running cleaning apparatus504 cites · 199292% earned
- 1829US5279672AAutomatic controlled cleaning machine500 cites · 199495% earned
- 1925US7332890B2Autonomous robot auto-docking and energy management systems and methods490 cites · 200583% earned
- 2021US5341540AProcess and autonomous apparatus for the automatic cleaning of ground areas through the pe485 cites · 199495% earned
- 2117US5489233APolishing pads and methods for their use479 cites · 199695% earned
- 2213US6210469B1Air filter arrangement having first and second filter media dividing a housing and methods459 cites · 200195% earned
- 238US6420622B1Medical article having fluid control film455 cites · 200288% earned
- 244US6406505B1Vacuum cleaner having a cyclone type dust collecting apparatus443 cites · 200295% earned
- 251US4373228AVacuum cleaning appliances441 cites · 198395% earned
Rising· last 2 yrs
Assignees whose newest A47L patents became public in the last 2 years — the current frontier
- 199IROBOT CORP349 patents · 10,886 citations
- 296PROCTER & GAMBLE330 patents · 14,011 citations
- 392WHIRLPOOL CO714 patents · 11,960 citations
- 488SAMSUNG ELECTRONICS CO LTD631 patents · 6,316 citations
- 583ELECTROLUX AB169 patents · 6,579 citations
- 679LG ELECTRONICS INC1,278 patents · 9,431 citations
- 775BLACK & DECKER INC170 patents · 5,670 citations
- 871BISSELL INC251 patents · 3,486 citations
- 967WALMART APOLLO LLC36 patents · 461 citations
- 1063DYSON TECHNOLOGY LTD228 patents · 3,432 citations
- 1158CLOROX CO65 patents · 1,396 citations
- 1254OMACHRON INTELLECTUAL PROPERTY INC421 patents · 3,182 citations
- 1350EMERSON ELECTRIC CO127 patents · 2,473 citations
- 1446EBRAHIMI AFROUZI ALI92 patents · 767 citations
- 1542SHARKNINJA OPERATING LLC190 patents · 543 citations
- 1638ILLINOIS TOOL WORKS102 patents · 492 citations
- 1733TECHTRONIC FLOOR CARE TECH LTD72 patents · 448 citations
- 1829LIBMAN CO23 patents · 285 citations
- 1925MIELE & CIE70 patents · 520 citations
- 2021ECOLAB USA INC108 patents · 246 citations
- 2117MAKITA CORP69 patents · 231 citations
- 2213AMAZON TECH INC6 patents · 117 citations
- 238FREUDENBERG CARL KG62 patents · 260 citations
- 244MIDEA GROUP CO LTD113 patents · 236 citations
- 251GUI GLOBAL PRODUCTS LTD20 patents · 38 citations
Active· last 5 yrs
Sustained A47L output across the last 5 years
- 199IROBOT CORP349 patents · 10,886 citations
- 296PROCTER & GAMBLE330 patents · 14,011 citations
- 392WHIRLPOOL CO714 patents · 11,960 citations
- 488SAMSUNG ELECTRONICS CO LTD631 patents · 6,316 citations
- 583ELECTROLUX AB169 patents · 6,579 citations
- 679BISSELL HOMECARE INC270 patents · 8,977 citations
- 775KIMBERLY CLARK CO68 patents · 3,946 citations
- 871LG ELECTRONICS INC1,278 patents · 9,431 citations
- 967CONRAD WAYNE ERNEST78 patents · 3,734 citations
- 1063BLACK & DECKER INC170 patents · 5,670 citations
- 1158TENNANT CO144 patents · 5,707 citations
- 12543M INNOVATIVE PROPERTIES CO57 patents · 1,871 citations
- 1350BISSELL INC251 patents · 3,486 citations
- 1446WALMART APOLLO LLC36 patents · 461 citations
- 1542DYSON TECHNOLOGY LTD228 patents · 3,432 citations
- 1638YAN JASON21 patents · 893 citations
- 1733CLOROX CO65 patents · 1,396 citations
- 1829KAO CORP27 patents · 898 citations
- 1925OMACHRON INTELLECTUAL PROPERTY INC421 patents · 3,182 citations
- 2021EMERSON ELECTRIC CO127 patents · 2,473 citations
- 2117EBRAHIMI AFROUZI ALI92 patents · 767 citations
- 2213MITSUBISHI ELECTRIC CORP33 patents · 428 citations
- 238R&L MARKETING & SALES INC21 patents · 450 citations
- 244ELTEK SPA29 patents · 521 citations
- 251VORWERK CO INTERHOLDING153 patents · 1,320 citations
All-time canon
All-time PatentIndex Score in A47L
- 199IROBOT CORP349 patents · 10,886 citations
- 296PROCTER & GAMBLE330 patents · 14,011 citations
- 392GBD CORP51 patents · 4,557 citations
- 488MINOLTA CO LTD13 patents · 3,491 citations
- 583WHIRLPOOL CO714 patents · 11,960 citations
- 679SAMSUNG KWANGJU ELECTRONICS CO265 patents · 13,826 citations
- 775SAMSUNG ELECTRONICS CO LTD631 patents · 6,316 citations
- 871ELECTROLUX AB169 patents · 6,579 citations
- 967ROYAL APPLIANCE MFG145 patents · 8,515 citations
- 1063MATSUSHITA ELECTRIC INDUSTRIAL CO LTD81 patents · 5,618 citations
- 1158BISSELL HOMECARE INC270 patents · 8,977 citations
- 1254FANTOM TECH INC21 patents · 2,240 citations
- 1350DYSON LTD26 patents · 2,891 citations
- 1446WAL MART STORES INC12 patents · 556 citations
- 1542NOTETRY LTD33 patents · 3,123 citations
- 1638KIMBERLY CLARK CO68 patents · 3,946 citations
- 1733ECOLAB INC92 patents · 5,070 citations
- 1829F ROBOTICS ACQUISITIONS LTD6 patents · 955 citations
- 1925LG ELECTRONICS INC1,278 patents · 9,431 citations
- 2021SANYO ELECTRIC CO47 patents · 2,802 citations
- 2117GOLD STAR CO17 patents · 1,762 citations
- 2213CONRAD WAYNE ERNEST78 patents · 3,734 citations
- 238ELECTROLUX CORP20 patents · 1,465 citations
- 244JONES JOSEPH L11 patents · 613 citations
- 251MINNESOTA MINING & MFG40 patents · 3,569 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth