Inventor · disambiguated record
Walter J. Petersen
Also filed as: PETERSEN WALTER J · PETERSEN WALTER JOHN
15 granted patents·442 citations·filing 1977–2009
95Inventor score
Top patents by PatentIndex Score
15 records- 0191US4854112ATurf maintenance apparatusTORO CO·Filed 1987·Granted Aug 8, 1989·56 cites·14 claims
- 0289US5364114AVehicle steering and suspension systemTORO CO·Filed 1993·Granted Nov 15, 1994·71 cites·3 claims
- 0387US7472759B2Aerator with shortened coring head depthTORO CO·Filed 2007·Granted Jan 6, 2009·16 cites·7 claims
- 0487US4325211AFloating deck for rider mowerTORO CO·Filed 1980·Granted Apr 20, 1982·45 cites·8 claims
- 0586US5744701AElectronic liquid leak detectorTORO CO·Filed 1995·Granted Apr 28, 1998·55 cites·34 claims
- 0685US7293612B1Walk aerator with ground following coring headTORO CO·Filed 2006·Granted Nov 13, 2007·16 cites·12 claims
- 0784US4683370AHot air gun with air directing housingWAGNER SPRAY TECH CORP·Filed 1984·Granted Jul 28, 1987·39 cites·26 claims
- 0881US7669667B2Aerator with assembled multi-part crankshaftTORO CO·Filed 2009·Granted Mar 2, 2010·13 cites·10 claims
- 0980US7096969B2Walk aerator with inboard wheelsTORO CO·Filed 2003·Granted Aug 29, 2006·20 cites·8 claims
- 1073US7600573B2Tine holder for turf aeratorTORO CO·Filed 2008·Granted Oct 13, 2009·11 cites·22 claims
- 1173US6032441ATriplex trim mower with laterally adjustable cutting unitsTORO CO·Filed 1997·Granted Mar 7, 2000·33 cites·24 claims
- 1265US4636617AHeating coil assembly for a heavy duty hot air blowerWAGNER SPRAY TECH CORP·Filed 1984·Granted Jan 13, 1987·20 cites·25 claims
- 1360US5745947AAutomatic debris retrieval systemTORO CO·Filed 1996·Granted May 5, 1998·30 cites·13 claims
- 1458US4223771ABrake clutchTORO CO·Filed 1978·Granted Sep 23, 1980·11 cites·11 claims
- 1533US4246803ATraction control mechanism for hydrostatic transmissionKLIS DAVID S·Filed 1977·Granted Jan 27, 1981·6 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →