Inventor · disambiguated record
William Harpell
Also filed as: HARPELL WILLIAM
12 granted patents·4 pending applications·794 citations·filing 1991–2009
94Inventor score
Top patents by PatentIndex Score
16 records- 0198US6311783B1Gardening toolFiled 1999·Granted Nov 6, 2001·273 cites·17 claims
- 0291US5253869AGolf putterDINGLE CRAIG B·Filed 1991·Granted Oct 19, 1993·238 cites·2 claims
- 0384US5429356AGolf putterBILL DING TECHNOLOGY INC·Filed 1993·Granted Jul 4, 1995·98 cites·15 claims
- 0476US7690627B2Tool bladeHARPELL WILLIAM·Filed 2007·Granted Apr 6, 2010·13 cites·6 claims
- 0574US6339975B1Roofing toolFiled 2000·Granted Jan 22, 2002·25 cites·20 claims
- 0673US5971653AConnector means for allowing radial adjustment of one member relative to anotherFiled 1997·Granted Oct 26, 1999·27 cites·2 claims
- 0771US6098292ADemolition toolFiled 1998·Granted Aug 8, 2000·43 cites·25 claims
- 0860USD591578SDemolition toolHARPELL WILLIAM·Filed 2008·Granted May 5, 2009·12 cites·1 claims
- 0955US2010224032A1Material removing toolHARPELL WILLIAM·Filed 2009·Application pending·0 cites
- 1052US2007252117A1Pulling toolHARPELL WILLIAM·Filed 2006·Application pending·0 cites
- 1150US2007051210A1Tool bladeHARPELL WILLIAM·Filed 2006·Application pending·0 cites
- 1249US6029545ARoofing toolFiled 1998·Granted Feb 29, 2000·20 cites·15 claims
- 1349US5836222AShingle removing toolFiled 1996·Granted Nov 17, 1998·21 cites·7 claims
- 1448US2007051209A1Roofing tool bladeHARPELL WILLIAM·Filed 2005·Application pending·0 cites
- 1543US5870794ABroomFiled 1997·Granted Feb 16, 1999·15 cites·9 claims
- 1642US6332635B1Connection for detachably connecting a tool implement and a tool handleFiled 1999·Granted Dec 25, 2001·9 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →