Frank J. Jerina

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Irwin, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tamper-resistant independent brake valve device for locomotive air...
- Patent number 5,439,276
- Issue date Aug 8, 1995
- Westinghouse Air Brake Company
- Frank J. Jerina
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Safety valve arrangement
- Patent number 5,246,030
- Issue date Sep 21, 1993
- Westinghouse Air Brake Company
- Frank J. Jerina
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electro-pneumatic locomotive brake control system
- Patent number 5,192,118
- Issue date Mar 9, 1993
- Westinghouse Air Brake Company
- Richard F. Balukin
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System for assuring recharge of brake pipe pressure in holding posi...
- Patent number 4,971,399
- Issue date Nov 20, 1990
- American Standard Inc.
- Richard F. Balukin
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake valve device arranged for electro-pneumatic control
- Patent number 4,944,564
- Issue date Jul 31, 1990
- American Standard Inc.
- Richard F. Balukin
- B60 - VEHICLES IN GENERAL