Inventor · disambiguated record
Mark E. Greig
Also filed as: GREIG MARK · GREIG MARK E
11 granted patents·5 pending applications·400 citations·filing 2000–2024
93Inventor score
Files withSUNRISE MEDICAL HHG INC6GREIG MARK E4ZHOU DANIEL Z3SUNRISE MEDICAL US LLC2MANSELL WAYNE T1
Top patents by PatentIndex Score
16 records- 0196US7896394B2Midwheel drive wheelchair with independent front and rear suspensionSUNRISE MEDICAL HHG INC·Filed 2006·Granted Mar 1, 2011·64 cites·22 claims
- 0294US8210556B2Midwheel drive wheelchair with independent front and rear suspensionZHOU DANIEL Z·Filed 2012·Granted Jul 3, 2012·41 cites·20 claims
- 0393US8113531B2Personal mobility vehicle having a pivoting suspension with a torque activated release mechanismZHOU DANIEL Z·Filed 2008·Granted Feb 14, 2012·65 cites·16 claims
- 0491US7310776B2Control system with customizable menu structure for personal mobility vehicleSUNRISE MEDICAL HHG INC·Filed 2007·Granted Dec 18, 2007·32 cites·29 claims
- 0588US6715784B2Method programming and operating a wheelchair having tilt and recline functionsSUNRISE MEDICAL HHG INC·Filed 2001·Granted Apr 6, 2004·69 cites·4 claims
- 0682US6588792B1Method of programming and operating tilt and recline functions in a wheelchairSUNRISE MEDICAL HHG INC·Filed 2000·Granted Jul 8, 2003·50 cites·17 claims
- 0777US7159181B2Control system with customizable menu structure for personal mobility vehicleSUNRISE MEDICAL HHG INC·Filed 2003·Granted Jan 2, 2007·24 cites·18 claims
- 0876US8469383B2Midwheel drive wheelchair with independent front and rear suspensionZHOU DANIEL Z·Filed 2012·Granted Jun 25, 2013·8 cites·15 claims
- 0976US7113854B2Personal mobility vehicle control system with input functions programmably mapped to output functionsSUNRISE MEDICAL HHG INC·Filed 2003·Granted Sep 26, 2006·33 cites·17 claims
- 1071US12115110B2Manual wheelchair propulsion systemSUNRISE MEDICAL US LLC·Filed 2019·Granted Oct 15, 2024·2 cites·14 claims
- 1170US2025032331A1Manual Wheelchair Propulsion SystemSUNRISE MEDICAL US LLC·Filed 2024·Application pending·0 cites
- 1268US7668634B2Personal mobility vehicle control system with input functions programmably mapped to output functionsMANSELL WAYNE T·Filed 2006·Granted Feb 23, 2010·12 cites·20 claims
- 1345US2007063502A1Steering ratio mechanism for a maneuverable motorized personally operated vehicleGREIG MARK E·Filed 2006·Application pending·0 cites
- 1444US2007045014A1Maneuverable motorized personally operated vehicleGREIG MARK E·Filed 2006·Application pending·0 cites
- 1544US2007045021A1Steering for a maneuverable motorized personally operated vehicleGREIG MARK E·Filed 2006·Application pending·0 cites
- 1642US2007045022A1Traction control in a maneuverable motorized personally operated vehicleGREIG MARK E·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →