Ian W. Bourhill

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Delta, CA

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Patents Grantslast 30 patents

Information Patent Grant
Spring caging mechanism for a coil spring rail brake
- Patent number 9,663,123
- Issue date May 30, 2017
- Hillmar Industries Limited
- Ian W. Bourhill
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vertical retractable rail clamp
- Patent number 8,646,582
- Issue date Feb 11, 2014
- Hillmar Industries Limited
- Ian W. Bourhill
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SPRING CAGING MECHANISM FOR A COIL SPRING RAIL BRAKE
- Publication number 20150175177
- Publication date Jun 25, 2015
- HILLMAR INDUSTRIES LIMITED
- Ian W. Bourhill
- B61 - RAILWAYS
Information Patent Application
VERTICAL RETRACTABLE RAIL CLAMP
- Publication number 20140158475
- Publication date Jun 12, 2014
- Hillmar Industries Limited
- Ian W. Bourhill
- B60 - VEHICLES IN GENERAL
Information Patent Application
VERTICAL RETRACTABLE RAIL CLAMP
- Publication number 20120241262
- Publication date Sep 27, 2012
- Ian W. Bourhill
- B60 - VEHICLES IN GENERAL
Information Patent Application
COIL SPRING RAIL BRAKE
- Publication number 20120234634
- Publication date Sep 20, 2012
- Ana T. Mintcheva
- B61 - RAILWAYS