mechanically

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CPC
B61L29/14

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC B61L29/00Safety means for rail/road crossing traffic

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B61L29/14mechanically

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Patents Grantslast 30 patents

Information Patent Grant
Multiple direction railroad gate release mechanism
- Patent number 9,689,187
- Issue date Jun 27, 2017
- MTR Technologies, Inc.
- Edwin J. Luetzow
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Multiple direction railroad gate release mechanism
- Patent number 8,640,996
- Issue date Feb 4, 2014
- MTR, Inc.
- Edwin J. Luetzow
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Multiple direction railroad gate release mechanism
- Patent number 8,240,618
- Issue date Aug 14, 2012
- MTR Technologies, Inc.
- Edwin J. Luetzow
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Lock bar for railroad gate warning mechanism
- Patent number 7,690,702
- Issue date Apr 6, 2010
- Safetran Systems Corporation
- Richard C. Bohme
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
MULTIPLE DIRECTION RAILROAD GATE RELEASE MECHANISM
- Publication number 20140290004
- Publication date Oct 2, 2014
- MTR, inc.
- Edwin J. Luetzow
- B61 - RAILWAYS
Information Patent Application
MULTIPLE DIRECTION RAILROAD GATE RELEASE MECHANISM
- Publication number 20130031839
- Publication date Feb 7, 2013
- MTR, inc.
- Edwin J. Luetzow
- B61 - RAILWAYS
Information Patent Application
Lock bar for railroad gate warning mechanism
- Publication number 20070075193
- Publication date Apr 5, 2007
- Safetran Systems Corporation
- Richard C. Bohme
- B61 - RAILWAYS