Richard L. Pifer

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Bowling Green, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Locking differential with electromagnetic actuated clutch
- Patent number RE33742
- Issue date Nov 12, 1991
- Dana Corporation
- Martin G. Blessing
- 475 - Planetary gear transmission systems or components
Information Patent Grant
Torsional sleeve coupling
- Patent number 4,795,403
- Issue date Jan 3, 1989
- Dana Corporation
- Charles F. Heine
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Locking differential with electromagnetic actuated clutch
- Patent number 4,781,078
- Issue date Nov 1, 1988
- Dana Corporation
- Martin G. Blessing
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Two speed axle assembly
- Patent number 4,774,857
- Issue date Oct 4, 1988
- Dana Corporation
- Charles F. Heine
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Drive axle and method of assembling same
- Patent number 4,630,506
- Issue date Dec 23, 1986
- Dana Corporation
- Donald D. Allmandinger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Lightweight ring gear for a differential
- Patent number 4,628,753
- Issue date Dec 16, 1986
- Dana Corporation
- Charles F. Heine
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...