Inventor · disambiguated record
John Styfhoorn
Also filed as: STYFHOORN JOHN
7 granted patents·1 pending application·139 citations·filing 1977–2003
86Inventor score
Top patents by PatentIndex Score
8 records- 0185US4798086ATest bench for testing hydraulic pumps and motorsCATERPILLAR INC·Filed 1987·Granted Jan 17, 1989·49 cites·8 claims
- 0278US5182988AOil filter crusherCATERPILLAR INC·Filed 1992·Granted Feb 2, 1993·24 cites·8 claims
- 0368US5799383ASelf adjusting hose connector crimping apparatus and method of useCATERPILLAR INC·Filed 1997·Granted Sep 1, 1998·22 cites·10 claims
- 0450US5741351AApparatus and method for cleaning an air filter of a vehicleCATERPILLAR INC·Filed 1996·Granted Apr 21, 1998·22 cites·17 claims
- 0547US4110150AApparatus for joining fusible elementsCATERPILLAR TRACTOR CO·Filed 1977·Granted Aug 29, 1978·9 cites·4 claims
- 0642US6360846B1Method and apparatus for leak testing and lubricating track jointCATERPILLAR·Filed 2000·Granted Mar 26, 2002·4 cites·20 claims
- 0741US5426352AAutomatic honing apparatusCATERPILLAR INC·Filed 1993·Granted Jun 20, 1995·9 cites·20 claims
- 0828US2005056076A1Adjustable crimping toolFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →