David F. Schaefer

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Princeville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Undercarriage support for a track chain
- Patent number 10,351,186
- Issue date Jul 16, 2019
- Caterpillar Inc.
- Luke B. Fischer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Sprocketed drive assembly for track-type machine
- Patent number 8,070,240
- Issue date Dec 6, 2011
- Caterpillar Inc.
- Jianping Zheng
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Apparatus and method to reduce vibrations on a tracked work machine
- Patent number 7,806,209
- Issue date Oct 5, 2010
- Caterpillar Inc.
- Michael R. Standish
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
Undercarriage Support for a Track Chain
- Publication number 20190202509
- Publication date Jul 4, 2019
- Caterpillar Inc.
- Luke B. Fischer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Sprocketed drive assembly for track-type machine
- Publication number 20100156170
- Publication date Jun 24, 2010
- Jianping Zheng
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Apparatus and method to reduce vibrations on a tracked work machine
- Publication number 20060158034
- Publication date Jul 20, 2006
- Michael R. Standish
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS