Robert T. Fischer

Person

Homewood, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for controlling operation of railroad hopper car discharg...
- Patent number 6,604,469
- Issue date Aug 12, 2003
- Miner Enterprises, Inc.
- Guadalupe L. Galvan
- B61 - RAILWAYS
Information Patent Grant
Railroad hopper car door assembly
- Patent number 6,279,487
- Issue date Aug 28, 2001
- Miner Enterprises, Inc.
- Christopher C. Gaydos
- B61 - RAILWAYS
Information Patent Grant
Railroad hopper car door assembly
- Patent number 6,019,049
- Issue date Feb 1, 2000
- Miner Enterprises, Inc.
- Christopher C. Gaydos
- B61 - RAILWAYS
Information Patent Grant
Railway hopper car discharge gate assembly
- Patent number 5,829,359
- Issue date Nov 3, 1998
- Miner Enterprises, Inc.
- Jeremy J. Dohr
- B61 - RAILWAYS
Information Patent Grant
Apparatus for controlling operation of a railcar discharge gate ass...
- Patent number RE35925
- Issue date Oct 20, 1998
- Miner Enterprises, Inc.
- Jeremy J. Dohr
- 105 - Railway rolling stock
Information Patent Grant
Unit for actuating gates of a hopper railroad car
- Patent number 5,163,372
- Issue date Nov 17, 1992
- Miner Enterprises, Inc.
- Guadalupe L. Galvan
- B61 - RAILWAYS
Information Patent Grant
Sliding gate structure with dual linkage per single actuator arrang...
- Patent number 5,086,709
- Issue date Feb 11, 1992
- Miner Enterprises, Inc.
- Robert T. Fischer
- B61 - RAILWAYS
Information Patent Grant
Operating system for railroad hopper car gate assembly doors
- Patent number 4,601,244
- Issue date Jul 22, 1986
- Miner Enterprises, Inc.
- Robert T. Fischer
- B61 - RAILWAYS
Information Patent Grant
Tamper-proof railroad hopper car door operating system
- Patent number 4,542,701
- Issue date Sep 24, 1985
- Miner Enterprises, Inc.
- Robert T. Fischer
- B61 - RAILWAYS
Information Patent Grant
Gate assembly unit for ballast distribution from railroad car
- Patent number 4,454,822
- Issue date Jun 19, 1984
- Miner Enterprises, Inc.
- Robert T. Fischer
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Railway hopper car sliding gate lock
- Patent number 4,256,042
- Issue date Mar 17, 1981
- Miner Enterprises, Inc.
- Robert T. Fischer
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Pivoted slide gate lock
- Patent number 3,956,996
- Issue date May 18, 1976
- Miner Enterprises, Inc.
- Robert T. Fischer
- B61 - RAILWAYS

Robert T. Fischer

Person

Patents Grantslast 30 patents

Apparatus for controlling operation of railroad hopper car discharg...

Railroad hopper car door assembly

Railroad hopper car door assembly

Railway hopper car discharge gate assembly

Apparatus for controlling operation of a railcar discharge gate ass...

Unit for actuating gates of a hopper railroad car

Sliding gate structure with dual linkage per single actuator arrang...

Operating system for railroad hopper car gate assembly doors

Tamper-proof railroad hopper car door operating system

Gate assembly unit for ballast distribution from railroad car

Railway hopper car sliding gate lock

Pivoted slide gate lock