John H. Kerr

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Kingston, Ontario, CA

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Patents Grantslast 30 patents

Information Patent Grant
Incrementally variable single countershaft transmission
- Patent number 4,656,882
- Issue date Apr 14, 1987
- John H. Kerr
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Incrementally variable transmission
- Patent number 4,559,848
- Issue date Dec 24, 1985
- John H. Kerr
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Spiral type one-way clutch assembly
- Patent number 4,341,294
- Issue date Jul 27, 1982
- John H. Kerr
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
All gear infinitely variable transmission
- Publication number 20050009661
- Publication date Jan 13, 2005
- John Hugh Kerr
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...