Inventor · disambiguated record
Gerhard Zerrer
Also filed as: ZERRER GERHARD
22 granted patents·584 citations·filing 1974–2003
97Inventor score
Top patents by PatentIndex Score
22 records- 0184US4461055APortable sweeping deviceSTIHL ANDREAS·Filed 1982·Granted Jul 24, 1984·42 cites·12 claims
- 0283US5826478ANozzle for supplying a liquid to a rotating toolSTIHL MASCHF ANDREAS·Filed 1996·Granted Oct 27, 1998·58 cites·5 claims
- 0382US6904977B2Portable handheld work apparatusSTIHL AG & CO KG ANDREAS·Filed 2003·Granted Jun 14, 2005·32 cites·20 claims
- 0482US4696108APruning apparatusSTIHL ANDREAS·Filed 1985·Granted Sep 29, 1987·41 cites·4 claims
- 0582US4651421ACutterhead for a vegetation cutterSTIHL ANDREAS·Filed 1986·Granted Mar 24, 1987·38 cites·16 claims
- 0680US4285127AApparatus for trimming plantsSTIHL ANDREAS·Filed 1979·Granted Aug 25, 1981·36 cites·25 claims
- 0780US3969856AAdjustable protective hood for a rotary toolSTIHL MASCHF ANDREAS·Filed 1974·Granted Jul 20, 1976·28 cites·15 claims
- 0878US4690252ARotation-preventing locking device for a portable toolSTIHL ANDREAS·Filed 1985·Granted Sep 1, 1987·36 cites·15 claims
- 0975US5704257ASecuring mechanism for securing a drive shaft of a rotating tool member of a working toolSTIHL ANDREAS·Filed 1995·Granted Jan 6, 1998·38 cites·20 claims
- 1072US4864728ABrushcutterSTIHL ANDREAS·Filed 1988·Granted Sep 12, 1989·29 cites·12 claims
- 1171USD276662SPortable pneumatic sweeperSTIHL ANDREAS·Filed 1982·Granted Dec 4, 1984·12 cites·1 claims
- 1270US5743240AHand-guided, portable tool with internal combustion engineSTIHL ANDREAS·Filed 1997·Granted Apr 28, 1998·26 cites·14 claims
- 1370US4893410ACutterhead for a vegetation cutterSTIHL ANDREAS·Filed 1988·Granted Jan 16, 1990·26 cites·11 claims
- 1467US4866846ACutterhead for a vegetation cutterSTIHL ANDREAS·Filed 1988·Granted Sep 19, 1989·25 cites·15 claims
- 1567US4761939ABrushcutterSTIHL ANDREAS·Filed 1987·Granted Aug 9, 1988·25 cites·11 claims
- 1663US4644658ALubricating-oil pump arrangement for a motor-driven apparatusSTIHL ANDREAS·Filed 1984·Granted Feb 24, 1987·18 cites·17 claims
- 1762US4662158ABrushcutter having a starter arrangementSTIHL ANDREAS·Filed 1985·Granted May 5, 1987·20 cites·11 claims
- 1854US4529099AClosure for a fuel tankSTIHL ANDREAS·Filed 1984·Granted Jul 16, 1985·14 cites·15 claims
- 1947US5267540APull-rope starter for an internal combustion engineSTIHL ANDREAS·Filed 1992·Granted Dec 7, 1993·13 cites·7 claims
- 2045US4932366APortable handheld motor-driven toolSTIHL ANDREAS·Filed 1989·Granted Jun 12, 1990·9 cites·5 claims
- 2143US5887489ALocking device for a rotary member of a working toolSTIHL MASCHF ANDREAS·Filed 1997·Granted Mar 30, 1999·9 cites·19 claims
- 2240US5320281AHousing for a high-pressure cleaning apparatusSTIHL ANDREAS·Filed 1992·Granted Jun 14, 1994·9 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →