Derek W. Holmes

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Tuscola, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic system with an unloading valve
- Patent number 9,869,359
- Issue date Jan 16, 2018
- Caterpillar Inc.
- Carl McIlheran
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic system with an unloading valve
- Publication number 20160061280
- Publication date Mar 3, 2016
- Caterpillar Inc.
- Carl McIlheran
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
BRAKING SYSTEM
- Publication number 20140346854
- Publication date Nov 27, 2014
- Caterpillar Global Mining LLC
- Brian D. Horton
- B60 - VEHICLES IN GENERAL