Inventor · disambiguated record
Harold A. Stammen
Also filed as: STAMMEN HAROLD A
18 granted patents·881 citations·filing 1974–2000
96Inventor score
Top patents by PatentIndex Score
18 records- 0198US5586620ARemote viewing apparatus for fork lift trucksCROWN EQUIP CORP·Filed 1995·Granted Dec 24, 1996·156 cites·25 claims
- 0298US5044472ADual operator position for material handling vehicleCROWN EQUIP CORP·Filed 1989·Granted Sep 3, 1991·104 cites·4 claims
- 0397US5738187AFork level indicator for lift trucksCROWN EQUIP CORP·Filed 1996·Granted Apr 14, 1998·89 cites·6 claims
- 0496USRE37215EFork level indicator for lift trucksCROWN EQUIP CORP·Filed 1999·Granted Jun 12, 2001·73 cites·6 claims
- 0596US5245144AWalk along hand grip switch control for pallet truckCROWN EQUIP CORP·Filed 1991·Granted Sep 14, 1993·120 cites·4 claims
- 0692US6241047B1Personnel carrying vehicleCROWN EQUIP CORP·Filed 2000·Granted Jun 5, 2001·51 cites·16 claims
- 0790US6000502APersonnel carrying vehicleCROWN EQUIP CORP·Filed 1998·Granted Dec 14, 1999·59 cites·4 claims
- 0889US6174124B1Load trays for personnel carrying vehiclesCROWN EQUIP CORP·Filed 1998·Granted Jan 16, 2001·59 cites·21 claims
- 0985US5992572APersonnel carrying vehicleCROWN EQUIP CORP·Filed 1999·Granted Nov 30, 1999·45 cites·16 claims
- 1073US5258911AEnd of aisle control systemCROWN EQUIP CORP·Filed 1991·Granted Nov 2, 1993·43 cites·37 claims
- 1172US4217074ASlip sheet lift truckCROWN CONTROLS CORP·Filed 1978·Granted Aug 12, 1980·23 cites·8 claims
- 1265US3941213AFork lift with limit switch controlled retractable guardCROWN CONTROLS CORP·Filed 1974·Granted Mar 2, 1976·18 cites·4 claims
- 1363US5205620ATwo force levels of mechanical braking for materials handling vehiclesCROWN EQUIP CORP·Filed 1991·Granted Apr 27, 1993·13 cites·10 claims
- 1462USD409349SMaterials handling and maintenance vehicleCROWN EQUIP CORP·Filed 1997·Granted May 4, 1999·12 cites·1 claims
- 1555USD424777SMaterials handling and maintenance vehicleCROWN EQUIP CORP·Filed 1998·Granted May 9, 2000·9 cites·1 claims
- 1636USD408769SControl position unit for a personnel carrying vehicleCROWN EQUIP CORP·Filed 1996·Granted Apr 27, 1999·3 cites·1 claims
- 1732US6019190AMotor cover for a work assist vehicleCROWN EQUIP CORP·Filed 1998·Granted Feb 1, 2000·4 cites·20 claims
- 1829USD412866SPersonnel carrying vehicleCROWN EQUIP CORP·Filed 1996·Granted Aug 17, 1999·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →