Patent assignee · SE · COMPANY

PERMOBIL AB

42Patents
39Active
42Granted
53Portfolio score

Filing activity: May 3, 1983 → Jul 6, 2023 · 4 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4513832A Wheeled chassis Emerging Cross-Sectional Technologies 138 Expired
US6352307B1 Multipositioning system seat Emerging Cross-Sectional Technologies 59 Expired
USD793289S1 Wheelchair frame General 28 Active
US8851214B2 Electric mid-wheel drive wheelchair Emerging Cross-Sectional Technologies 26 Active
US4538857A Foot rest arrangement for wheelchairs Human Necessities 24 Expired
US8419130B2 Seat tilt apparatus Human Necessities 21 Active
US8078365B2 Control system for a wheelchair having movable parts Emerging Cross-Sectional Technologies 14 Active
US9320661B2 Electric mid-wheel drive wheelchair Emerging Cross-Sectional Technologies 12 Active
US8911019B2 Adjustable and reconfigurable head array system for a power wheelchair Emerging Cross-Sectional Technologies 9 Active
US9452096B2 Wheelchair with tilt capability Performing Operations; Transporting 7 Active
US8596719B2 Wheelchair backrest assembly Human Necessities 6 Active
US7753630B2 Base unit and system for docking and securing a wheelchair in a vehicle Human Necessities 6 Active
US10092465B2 Caster wheel assembly and wheelchair comprising the same Performing Operations; Transporting 5 Active
US10667970B2 Swing arm assembly for a mid-wheel drive wheelchair Performing Operations; Transporting 3 Active
US10350121B2 Electrically powered wheelchair with an armrest adjustment arrangement Human Necessities 3 Active
US10568790B2 Tilt assembly for a powered wheelchair and a powered wheelchair comprising the same Human Necessities 2 Active
US9795527B2 Backrest fixation system and an electrically powered wheelchair comprising the same Human Necessities 2 Active
US10258522B2 Seat arrangement and electrically powered wheelchair comprising the same Human Necessities 2 Active
US10206832B2 Swing arm linkage for a mid-wheel drive wheelchair Human Necessities 2 Active
US9795523B2 Wheelchair comprising wheel axle and hub Performing Operations; Transporting 2 Active
US8636321B1 Wheelchair backrest assembly Human Necessities 2 Active
US10702430B2 Wheelchair with tilt capability Performing Operations; Transporting 2 Active
US9575503B2 Adjustable and reconfigurable head array system for a power wheelchair Emerging Cross-Sectional Technologies 2 Active
US9579242B2 Electric mid-wheel drive wheelchair Emerging Cross-Sectional Technologies 1 Active
US10058466B2 Chassis arrangement for an electrically powered wheelchair and an electrically powered wheelchair comprising the same Human Necessities 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.