Walter John Petersen

Person

Eden Prairie, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Aerator with assembled multi-part crankshaft
- Patent number 7,669,667
- Issue date Mar 2, 2010
- The Toro Company
- Walter J. Petersen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Aerator with shortened coring head depth
- Patent number 7,472,759
- Issue date Jan 6, 2009
- The Toro Company
- Walter J. Petersen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Walk aerator with ground following coring head
- Patent number 7,293,612
- Issue date Nov 13, 2007
- The Toro Company
- Walter J. Petersen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Walk aerator with inboard wheels
- Patent number 7,096,969
- Issue date Aug 29, 2006
- The Toro Company
- Walter J. Petersen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Triplex trim mower with laterally adjustable cutting units
- Patent number 6,032,441
- Issue date Mar 7, 2000
- The Toro Company
- Jack R. Gust
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Automatic debris retrieval system
- Patent number 5,745,947
- Issue date May 5, 1998
- The Toro Company
- Kaibai Liu
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Electronic liquid leak detector
- Patent number 5,744,701
- Issue date Apr 28, 1998
- The Toro Company
- Daniel E. Peterson
- G01 - MEASURING TESTING
Information Patent Grant
Turf maintenance apparatus
- Patent number 4,854,112
- Issue date Aug 8, 1989
- The Toro Company
- Charles C. Holley
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Floating deck for rider mower
- Patent number 4,325,211
- Issue date Apr 20, 1982
- The Toro Company
- Robert H. Witt
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Traction control mechanism for hydrostatic transmission
- Patent number 4,246,803
- Issue date Jan 27, 1981
- David S. Klis
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
AERATOR WITH ASSEMBLED MULTI-PART CRANKSHAFT
- Publication number 20090107689
- Publication date Apr 30, 2009
- Walter J. Petersen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Aerator with shortened coring head depth
- Publication number 20080041601
- Publication date Feb 21, 2008
- Walter J. Petersen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Walk aerator with ground following coring head, inboard wheels, ass...
- Publication number 20040200625
- Publication date Oct 14, 2004
- Walter J. Petersen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Walter John Petersen

Person

Patents Grantslast 30 patents

Aerator with assembled multi-part crankshaft

Aerator with shortened coring head depth

Walk aerator with ground following coring head

Walk aerator with inboard wheels

Triplex trim mower with laterally adjustable cutting units

Automatic debris retrieval system

Electronic liquid leak detector

Turf maintenance apparatus

Floating deck for rider mower

Traction control mechanism for hydrostatic transmission

Patents Applicationslast 30 patents

AERATOR WITH ASSEMBLED MULTI-PART CRANKSHAFT

Aerator with shortened coring head depth

Walk aerator with ground following coring head, inboard wheels, ass...