Inventor · disambiguated record
Robert A. Walker
Also filed as: WALKER II ROBERT A · WALKER JR ROBERT A · WALKER ROBERT · WALKER ROBERT A
49 granted patents·4 pending applications·4,292 citations·filing 1976–2024
99Inventor score
Top patents by PatentIndex Score
53 records- 0199US5170522AAir adjustable bedSELECT COMFORT CORP·Filed 1991·Granted Dec 15, 1992·313 cites·18 claims
- 0298US4991244ABorder for air bedWALKER ROBERT A·Filed 1990·Granted Feb 12, 1991·302 cites·16 claims
- 0398USD313973SHand-held control unit for the operation of an inflatable air mattressWALKER ROBERT A·Filed 1988·Granted Jan 22, 1991·159 cites·1 claims
- 0498US4908895AAir mattressWALKER ROBERT A·Filed 1989·Granted Mar 20, 1990·289 cites·14 claims
- 0598US4897890AAir control system for air bedWALKER ROBERT A·Filed 1986·Granted Feb 6, 1990·308 cites·20 claims
- 0698US4890344AAir control system for air bedWALKER ROBERT A·Filed 1989·Granted Jan 2, 1990·329 cites·11 claims
- 0798US4829616AAir control system for air bedWALKER ROBERT A·Filed 1987·Granted May 16, 1989·299 cites·37 claims
- 0898USD300194SAir mattressWALKER ROBERT A·Filed 1984·Granted Mar 14, 1989·155 cites·1 claims
- 0998US4788729AAir mattress with audible pressure relief valveWALKER ROBERT A·Filed 1987·Granted Dec 6, 1988·223 cites·23 claims
- 1098US4766628AAir mattress with filler check valve and cap thereforWALKER ROBERT A·Filed 1987·Granted Aug 30, 1988·323 cites·41 claims
- 1196US5479907ACombination in-line air-filter/air-oil separator/air-silencer with preseparatorFiled 1994·Granted Jan 2, 1996·86 cites·60 claims
- 1296US5144706ABed foundationWALKER ROBERT A·Filed 1990·Granted Sep 8, 1992·209 cites·21 claims
- 1396US4644597AAir mattress with pressure relief valveDYNATECH INC·Filed 1985·Granted Feb 24, 1987·208 cites·20 claims
- 1496US4269607AAir-oil separator and method of separationWALKER ROBERT A·Filed 1979·Granted May 26, 1981·103 cites·10 claims
- 1595US5170352AMulti-purpose autonomous vehicle with path plottingFMC CORP·Filed 1991·Granted Dec 8, 1992·449 cites·12 claims
- 1693US6422224B1Remote air-oil separatorWALKER DESIGN INC·Filed 2000·Granted Jul 23, 2002·49 cites·24 claims
- 1791US4184858AEngine emission control deviceWALKER ROBERT A·Filed 1976·Granted Jan 22, 1980·54 cites·2 claims
- 1890US8548851B2Conversion path performance measures and reportsCHEN LIREN·Filed 2011·Granted Oct 1, 2013·11 cites·14 claims
- 1989US6475255B1Serviceable air filter/oil separator assemblyFiled 2000·Granted Nov 5, 2002·46 cites·30 claims
- 2089US4724807AIn-line air-oil separatorWALKER ROBERT A·Filed 1986·Granted Feb 16, 1988·52 cites·19 claims
- 2187US8400477B1Object resizingYOUNG DAVID S·Filed 2008·Granted Mar 19, 2013·19 cites·27 claims
- 2286US12211065B1Conversion path performance measures and reportsGOOGLE LLC·Filed 2024·Granted Jan 28, 2025·0 cites·18 claims
- 2386US8500398B1Turbocharger heat shieldWALKER JR ROBERT A·Filed 2009·Granted Aug 6, 2013·17 cites·16 claims
- 2485US9245279B2Conversion path performance measures and reportsHSIAO SISSIE LING-IE·Filed 2011·Granted Jan 26, 2016·5 cites·19 claims
- 2585US5140957ACombination in line air-filter/air-oil separator/air-silencerWALKER ROBERT A·Filed 1991·Granted Aug 25, 1992·45 cites·48 claims
- 2682US7811028B1Hooded check tubeAGRECOL LLC·Filed 2008·Granted Oct 12, 2010·17 cites·13 claims
- 2782US5347973AVacuum relief valveWALKER DESIGN INC·Filed 1993·Granted Sep 20, 1994·40 cites·13 claims
- 2880US6009846ACombination air-filter/air-oil separator with integral vacuum regulatorFiled 1998·Granted Jan 4, 2000·36 cites·21 claims
- 2980US4026479AMethod and system for maintaining optimum throughput in a grinding circuitBRENDA MINES LTD·Filed 1976·Granted May 31, 1977·37 cites·8 claims
- 3078US11941660B1Conversion path performance measures and reportsGOOGLE LLC·Filed 2022·Granted Mar 26, 2024·0 cites·20 claims
- 3175US6726738B1Air filter assemblyFiled 2002·Granted Apr 27, 2004·20 cites·22 claims
- 3273US11544739B1Conversion path performance measures and reportsGOOGLE LLC·Filed 2020·Granted Jan 3, 2023·0 cites·18 claims
- 3372US7811029B2Woven soil stabilization systemAGRECOL LLC·Filed 2007·Granted Oct 12, 2010·8 cites·20 claims
- 3472US2019311398A1Conversion path performance measures and reportsGOOGLE LLC·Filed 2019·Application pending·0 cites
- 3564US10360586B2Conversion path performance measures and reportsGOOGLE LLC·Filed 2016·Granted Jul 23, 2019·0 cites·20 claims
- 3659US2014287802A1Phone case with wind filterAMERICAN BUILDER LLC·Filed 2013·Application pending·0 cites
- 3757US7045701B1Expression shoeWALKER TECHNICAL CO INC·Filed 2003·Granted May 16, 2006·8 cites·8 claims
- 3854US4373689ATwo-axis rudder trim for aircraftWALKER ROBERT A·Filed 1980·Granted Feb 15, 1983·19 cites·1 claims
- 3950US7284550B2Burn pot for furnaceBIXBY ENERGY SYSTEMS INC·Filed 2004·Granted Oct 23, 2007·5 cites·18 claims
- 4050USD519543SExpression shoe support bracketWALKER TECHNICAL CO INC·Filed 2003·Granted Apr 25, 2006·8 cites·1 claims
- 4149US6994741B2Protective filter coverWALKER JR ROBERT A·Filed 2003·Granted Feb 7, 2006·2 cites·5 claims
- 4246US10588486B2Multi-function video system with interchangeable medical toolPHYSIO CONTROL INC·Filed 2014·Granted Mar 17, 2020·0 cites·18 claims
- 4346US2022335849A1Digital video sharing, analysis, and aggregationPROMENTOR INC·Filed 2022·Application pending·0 cites
- 4445US2015193860A1Electronic commerce system and methodWALKER ROBERT A·Filed 2015·Application pending·0 cites
- 4544US4500496AProcess for purifying molybdenite concentratesBRENDA MINES LTD·Filed 1982·Granted Feb 19, 1985·8 cites·14 claims
- 4642US6705837B1Welded connector for blade linerHOWDEN POWER LTD·Filed 2000·Granted Mar 16, 2004·1 cites·6 claims
- 4741US4264043AStabilizer for aerospace vehiclesWALKER ROBERT A·Filed 1978·Granted Apr 28, 1981·10 cites·30 claims
- 4840US9611822B2Air filter and silencerWALKER ENG·Filed 2012·Granted Apr 4, 2017·0 cites·20 claims
- 4938USD521133SBiomass stoveBIXBY ENERGY SYSTEMS INC·Filed 2003·Granted May 16, 2006·3 cites·1 claims
- 5038US4415944AElectrical apparatusBOOTS CO PLC·Filed 1980·Granted Nov 15, 1983·7 cites·7 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →