Inventor · disambiguated record
James L. Christofferson
Also filed as: CHRISTOFFERSON JAMES L
9 granted patents·4 pending applications·321 citations·filing 1997–2012
91Inventor score
Top patents by PatentIndex Score
13 records- 0195US7614704B2Wheelchair seat cushionSUNRISE MEDICAL HHG INC·Filed 2007·Granted Nov 10, 2009·69 cites·24 claims
- 0288US7896438B2Shapeable wheelchair seatback assemblySUNRISE MEDICAL HHG INC·Filed 2007·Granted Mar 1, 2011·34 cites·20 claims
- 0381US7857394B2Wheelchair seat back with two-point mounting hardwareSUNRISE MEDICAL HHG INC·Filed 2008·Granted Dec 28, 2010·20 cites·15 claims
- 0480US6688693B2Seat back assemblySUNRISE MEDICAL HHG INC·Filed 2001·Granted Feb 10, 2004·52 cites·13 claims
- 0577US8197009B2Wheelchair seatback with two-point mounting hardwareWHELAN THOMAS J·Filed 2010·Granted Jun 12, 2012·10 cites·7 claims
- 0676US5947562AQuick release seatSUNRISE MEDICAL HHG INC·Filed 1997·Granted Sep 7, 1999·72 cites·8 claims
- 0760US7146666B2Seat cushion and method for carrying pressure-distributing medium in a seat cushionSUNRISE MEDICAL HHG INC·Filed 2003·Granted Dec 12, 2006·14 cites·11 claims
- 0856US6059370AWheelchair seat back pelvic support systemSUNRISE MEDICAL HHG INC·Filed 1998·Granted May 9, 2000·33 cites·26 claims
- 0950US2008047071A1Tension free wheelchair seat cover and cushion therewithSUNRISE MEDICAL HHG INC·Filed 2007·Application pending·0 cites
- 1049US2010132120A1Adaptive Seat Cushion Having A Pressure-Relieving StructureSUNRISE MEDICAL HHG INC·Filed 2009·Application pending·0 cites
- 1143US2006091706A1Seat assembly for wheelchairSUNRISE MEDICAL HHG INC·Filed 2005·Application pending·0 cites
- 1240US6033025ANotched support pads for cushioning wheelchair seatbackSUNRISE MEDICAL HHG INC·Filed 1998·Granted Mar 7, 2000·17 cites·17 claims
- 1337US2012256463A1Wheelchair Seatback With Two-Point Mounting HardwareWHELAN THOMAS J·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →