Inventor · disambiguated record
Clark C. Simpson
Also filed as: SIMPSON CLARK · SIMPSON CLARK C
11 granted patents·261 citations·filing 1975–2014
91Inventor score
Top patents by PatentIndex Score
11 records- 0194US5201629AContainer transporterCLARK MATERIAL HANDLING CO·Filed 1991·Granted Apr 13, 1993·105 cites·10 claims
- 0289US5374156ACarriage assembly and side shift system for a lift truckCLARK MATERIAL HANDLING CO·Filed 1994·Granted Dec 20, 1994·46 cites·11 claims
- 0375US8434598B2Carpet pole carriage assemblySIMPSON CLARK C·Filed 2010·Granted May 7, 2013·7 cites·16 claims
- 0474US4017110ACylinder and piston assemblyCLARK EQUIPMENT CO·Filed 1975·Granted Apr 12, 1977·26 cites·19 claims
- 0573US5326217ALift truck with negative drop uprightCLARK MATERIAL HANDLING CO·Filed 1990·Granted Jul 5, 1994·43 cites·6 claims
- 0671US8833523B2Upright for a lift truckSIMPSON CLARK C·Filed 2010·Granted Sep 16, 2014·7 cites·7 claims
- 0756US9878887B2Upright for a lift truckCLARK MAT HANDLING COMPANY·Filed 2014·Granted Jan 30, 2018·1 cites·5 claims
- 0853US4402543AInterlock system for container handler twist lockCLARK EQUIPMENT CO·Filed 1980·Granted Sep 6, 1983·15 cites·8 claims
- 0930US5399059AOverhead support frame assembly for vehicleCLARK MATERIAL HANDLING CO·Filed 1994·Granted Mar 21, 1995·3 cites·8 claims
- 1030US5011217AUnified frame/body assembly for vehicleCLARK EQUIPMENT CO·Filed 1990·Granted Apr 30, 1991·8 cites·13 claims
- 1127USD332164SContainer transporter vehicle bodyCLARK MAT HANDLING COMPANY·Filed 1991·Granted Dec 29, 1992·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →