John J. Steffen

Person

Aurora, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Railcar draft gear assembly and system
- Patent number 6,681,943
- Issue date Jan 27, 2004
- AMSTED Industries Incorporated
- Ronald E. Barker
- B61 - RAILWAYS
Information Patent Grant
Railcar draft gear assembly and system
- Patent number 6,446,820
- Issue date Sep 10, 2002
- AMSTED Industries Incorporated
- Ronald E. Barker
- B61 - RAILWAYS
Information Patent Grant
Slackless railway coupler with buff/draft gear
- Patent number 6,360,906
- Issue date Mar 26, 2002
- AMSTED Industries Incorporated
- Horst T. Kaufhold
- B61 - RAILWAYS
Information Patent Grant
Tapered wear liner and articulated connector with tapered wear liner
- Patent number 6,167,813
- Issue date Jan 2, 2001
- AMSTED Industries Incorporated
- Horst T. Kaufhold
- B61 - RAILWAYS
Information Patent Grant
Ring seat removal system for a railcar articulated connector
- Patent number 5,850,929
- Issue date Dec 22, 1998
- AMSTED Industries Incorporated
- Horst T. Kaufhold
- B61 - RAILWAYS
Information Patent Grant
Draft sill and wheel truck connection
- Patent number 5,809,899
- Issue date Sep 22, 1998
- AMSTED Industries Incorporated
- Horst T. Kaufhold
- B61 - RAILWAYS
Information Patent Grant
Ring seat removal system for a railcar articulate connector
- Patent number 5,809,898
- Issue date Sep 22, 1998
- AMSTED Industries Incorporated
- Horst T. Kaufhold
- B61 - RAILWAYS
Information Patent Grant
Slackless railway coupler with draft/buff gear
- Patent number 5,312,007
- Issue date May 17, 1994
- AMSTED Industries Incorporated
- Horst T. Kaufhold
- B61 - RAILWAYS
Information Patent Grant
Center sill with short yoke member for converting from coupler to d...
- Patent number 5,193,699
- Issue date Mar 16, 1993
- AMSTED Industries Incorporated
- Horst T. Kaufhold
- B61 - RAILWAYS
Information Patent Grant
Slackless railcar connections with upward wear indicator
- Patent number 5,080,242
- Issue date Jan 14, 1992
- AMSTED Industries Incorporated
- John J. Steffen
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
Railcar draft gear assembly and system
- Publication number 20020070189
- Publication date Jun 13, 2002
- Ronald E. Barker
- B61 - RAILWAYS

John J. Steffen

Person

Patents Grantslast 30 patents

Railcar draft gear assembly and system

Railcar draft gear assembly and system

Slackless railway coupler with buff/draft gear

Tapered wear liner and articulated connector with tapered wear liner

Ring seat removal system for a railcar articulated connector

Draft sill and wheel truck connection

Ring seat removal system for a railcar articulate connector

Slackless railway coupler with draft/buff gear

Center sill with short yoke member for converting from coupler to d...

Slackless railcar connections with upward wear indicator

Patents Applicationslast 30 patents

Railcar draft gear assembly and system