Harold DeVillo Harrison

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Friday Harbor, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Wayside friction management system
- Patent number 10,220,860
- Issue date Mar 5, 2019
- L.B. Foster Rail Technologies, Inc.
- Glen Appleby
- B61 - RAILWAYS
Information Patent Grant
Wayside friction management system
- Patent number 9,352,761
- Issue date May 31, 2016
- L.B. Foster Rail Technologies, Inc.
- Glen Appleby
- B61 - RAILWAYS
Information Patent Grant
Method and apparatus for detecting track failure
- Patent number 9,222,904
- Issue date Dec 29, 2015
- Harold Harrison
- B61 - RAILWAYS
Information Patent Grant
Stress monitoring system for railways
- Patent number 7,869,909
- Issue date Jan 11, 2011
- Harold Harrison
- B61 - RAILWAYS
Information Patent Grant
System and method for determining rail safety limits
- Patent number 7,502,670
- Issue date Mar 10, 2009
- Salient Systems, Inc.
- Harold Harrison
- B61 - RAILWAYS
Information Patent Grant
Wheel load measurement
- Patent number 4,701,866
- Issue date Oct 20, 1987
- Battelle Memorial Institute
- Harold D. Harrison
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Wayside Friction Management System
- Publication number 20160257319
- Publication date Sep 8, 2016
- L.B. Foster Rail Technologies, Inc.
- Glen Appleby
- B61 - RAILWAYS
Information Patent Application
METHOD AND APPARATUS FOR DETECTING TRACK FAILURE
- Publication number 20140044146
- Publication date Feb 13, 2014
- Harold Harrison
- B61 - RAILWAYS
Information Patent Application
Wayside Friction Management System
- Publication number 20130233649
- Publication date Sep 12, 2013
- L.B. Foster Rail Technologies, Inc.
- Glen Appleby
- B61 - RAILWAYS
Information Patent Application
STRESS MONITORING SYSTEM FOR RAILWAYS
- Publication number 20070044566
- Publication date Mar 1, 2007
- Salient Systems, Inc.
- Harold Harrison
- B61 - RAILWAYS
Information Patent Application
System and method for determining rail safety limits
- Publication number 20060020375
- Publication date Jan 26, 2006
- Salient Systems, Inc.
- Harold Harrison
- B61 - RAILWAYS