Gregory L. Johnston

Person

Tarentum, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Brass insert molded into “church window” of service...
- Patent number 6,416,059
- Issue date Jul 9, 2002
- Westinghouse Air Brake Technologies Corporation
- Jeffrey B. Skweres
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Normally open purge valve
- Patent number 6,170,511
- Issue date Jan 9, 2001
- Westinghouse Air Brake Company
- Robert G. Bostedo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Purge valve
- Patent number 6,164,312
- Issue date Dec 26, 2000
- Westinghouse Air Brake Company
- Robert G. Bostedo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual valve fitting for enabling quick measurement of pressure
- Patent number 6,089,268
- Issue date Jul 18, 2000
- Westinghouse Air Brake Company
- Vincent F. Troiani
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual valve fitting for enabling quick measurement of pressure
- Patent number 6,070,854
- Issue date Jun 6, 2000
- Westinghouse Air Brake Company
- Vincent F. Troiani
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual valve fitting for enabling quick measurement of pressure
- Patent number 6,029,700
- Issue date Feb 29, 2000
- Westinghouse Air Brake Company
- Vincent F. Troiani
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual valve fitting for enabling quick measurement of pressure
- Patent number 6,009,902
- Issue date Jan 4, 2000
- Westinghouse Air Brake Company
- Vincent F. Troiani
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual valve apparatus for enabling quick measurement of pressure
- Patent number 5,952,566
- Issue date Sep 14, 1999
- Westinghouse Air Brake Company
- Daniel G. Scott
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual seal coupling apparatus for enabling quick measurement of brak...
- Patent number 5,869,754
- Issue date Feb 9, 1999
- Westinghouse Air Brake Company
- Daniel G. Scott
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual seal fitting for enabling quick measurement of brake cylinder...
- Patent number 5,869,765
- Issue date Feb 9, 1999
- Westinghouse Air Brake Company
- Daniel G. Scott
- G01 - MEASURING TESTING
Information Patent Grant
Railway brake pipe bracket with access ports
- Patent number 5,634,696
- Issue date Jun 3, 1997
- James E. Hart
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Filter arrangement and mounting in railway brake pipe bracket
- Patent number 5,518,304
- Issue date May 21, 1996
- Westinghouse Air Brake Company
- Gary M. Sich
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Test connector for automatic test device
- Patent number 5,503,011
- Issue date Apr 2, 1996
- Westinghouse Air Brake Company
- James E. Hart
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
BRASS INSERT MOLDED INTO "CHURCH WINDOW" OF SERVICE ACCELERATED REL...
- Publication number 20020093149
- Publication date Jul 18, 2002
- WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
- Jeffrey B. Skweres
- B60 - VEHICLES IN GENERAL

Gregory L. Johnston

Person

Patents Grantslast 30 patents

Brass insert molded into &#x0201C;church window&#x0201D; of service...

Normally open purge valve

Purge valve

Dual valve fitting for enabling quick measurement of pressure

Dual valve fitting for enabling quick measurement of pressure

Dual valve fitting for enabling quick measurement of pressure

Dual valve fitting for enabling quick measurement of pressure

Dual valve apparatus for enabling quick measurement of pressure

Dual seal coupling apparatus for enabling quick measurement of brak...

Dual seal fitting for enabling quick measurement of brake cylinder...

Railway brake pipe bracket with access ports

Filter arrangement and mounting in railway brake pipe bracket

Test connector for automatic test device

Patents Applicationslast 30 patents

BRASS INSERT MOLDED INTO "CHURCH WINDOW" OF SERVICE ACCELERATED REL...

Brass insert molded into “church window” of service...