Inventor · Lowell, MI, US

LeRoy Johnson

24Patents
14h-index
23Co-inventors
81Inventor score

Filing activity: Dec 11, 1981 → Nov 10, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US8421407B2 Inductively coupled work surfaces Electricity 117 Active
US8482160B2 Inductively coupled power module and circuit Human Necessities 74 Active
US8228026B2 Inductively coupled shelving and storage containers Electricity 73 Active
US4674790A Adjustable arm rest and console assembly Performing Operations; Transporting 46 Expired
US6685267B1 Chair and synchrotilt chair mechanism Human Necessities 39 Expired
US4659135A Adjustable arm rest Emerging Cross-Sectional Technologies 38 Expired
US6010189A Synchronized chair seat and backrest tilt control mechanism Human Necessities 26 Expired
US6793284B1 Steel spring with dwell for chairs Human Necessities 25 Expired
US7611202B2 Tilt mechanism for a chair Human Necessities 24 Active
US7017988B2 Retractable work surface for a chair Human Necessities 23 Expired
US9222255B2 Apparatus and method for reconfigurable space Fixed Constructions 22 Active
US6000756A Synchronized chair seat and backrest tilt control mechanism Human Necessities 22 Expired
US4619478A Powered adjustable arm rest Performing Operations; Transporting 22 Expired
US6139103A Synchronized chair seat and backrest tilt control mechanism Human Necessities 19 Expired
US4597414A Two position control valve Emerging Cross-Sectional Technologies 11 Expired
US7478880B2 Multi-purpose adjustment chair mechanism Human Necessities 10 Active
US9364100B2 Inductively coupled shelving system Human Necessities 10 Active
US8910801B2 Inductively coupled product positioning system Human Necessities 9 Active
USD316942S Vehicle seat heating pad General 7 Expired
US7185951B2 Chair and synchrotilt chair mechanism Human Necessities 6 Expired
US9251727B2 Inductively coupled product display Electricity 5 Active
US4382899A Temperature responsive time delay valve Physics 3 Expired
US9732510B2 Moveable wall system Fixed Constructions 2 Active
US6536127B1 Method for optimization of J-back configuration for a chair Human Necessities 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.