Richard A. Carlstedt

Person

Wheaton, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Railcar draft gear spring assembly and method of making an elastome...
- Patent number 8,365,930
- Issue date Feb 5, 2013
- Miner Enterprises, Inc.
- Richard A. Carlstedt
- B61 - RAILWAYS
Information Patent Grant
Railcar elastomeric spring
- Patent number 8,196,912
- Issue date Jun 12, 2012
- Miner Enterprises, Inc.
- Richard A. Carlstedt
- B61 - RAILWAYS
Information Patent Grant
Railroad car draft gear
- Patent number 7,624,884
- Issue date Dec 1, 2009
- Miner Enterprises, Inc.
- Michael R. Palermo
- B61 - RAILWAYS
Information Patent Grant
Draft gear for a reduced-slack drawbar assembly
- Patent number 6,488,162
- Issue date Dec 3, 2002
- Miner Enterprises, Inc.
- Richard A. Carlstedt
- B61 - RAILWAYS
Information Patent Grant
Railroad car draft gear having a long travel
- Patent number 6,478,173
- Issue date Nov 12, 2002
- Miner Enterprises, Inc.
- Richard A. Carlstedt
- B61 - RAILWAYS
Information Patent Grant
Elastomeric spring unit
- Patent number 5,351,844
- Issue date Oct 4, 1994
- Miner Enterprises, Inc.
- Richard A. Carlstedt
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Preshortening insert for a draft gear
- Patent number 5,065,874
- Issue date Nov 19, 1991
- Miner Enterprises, Inc.
- Ding-Huei R. Fong
- B61 - RAILWAYS
Information Patent Grant
Friction elastomer draft gear
- Patent number 4,960,215
- Issue date Oct 2, 1990
- Miner Enterprises, Inc.
- Richard A. Carlstedt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Split wedge draft gear with center friction plate
- Patent number 4,735,328
- Issue date Apr 5, 1988
- Miner Enterprises, Inc.
- Richard A. Carlstedt
- B61 - RAILWAYS
Information Patent Grant
Draft gear for railroad car coupler system
- Patent number 4,576,295
- Issue date Mar 18, 1986
- Miner Enterprises, Inc.
- Richard A. Carlstedt
- B61 - RAILWAYS
Information Patent Grant
Draft gear
- Patent number 4,556,149
- Issue date Dec 3, 1985
- Miner Enterprises
- Richard A. Carlstedt
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
Railcar draft gear spring assembly and method of making an elastome...
- Publication number 20120118847
- Publication date May 17, 2012
- Richard A. Carlstedt
- B61 - RAILWAYS
Information Patent Application
Railcar elastomeric spring
- Publication number 20100059470
- Publication date Mar 11, 2010
- Richard A. Carlstedt
- B61 - RAILWAYS
Information Patent Application
Railroad car draft gear
- Publication number 20080290058
- Publication date Nov 27, 2008
- Michael R. Palermo
- B61 - RAILWAYS
Information Patent Application
RAILROAD CAR DRAFT GEAR HAVING A LONG TRAVEL
- Publication number 20020108920
- Publication date Aug 15, 2002
- Richard A. Carlstedt
- B61 - RAILWAYS

Richard A. Carlstedt

Person

Patents Grantslast 30 patents

Railcar draft gear spring assembly and method of making an elastome...

Railcar elastomeric spring

Railroad car draft gear

Draft gear for a reduced-slack drawbar assembly

Railroad car draft gear having a long travel

Elastomeric spring unit

Preshortening insert for a draft gear

Friction elastomer draft gear

Split wedge draft gear with center friction plate

Draft gear for railroad car coupler system

Draft gear

Patents Applicationslast 30 patents

Railcar draft gear spring assembly and method of making an elastome...

Railcar elastomeric spring

Railroad car draft gear

RAILROAD CAR DRAFT GEAR HAVING A LONG TRAVEL