DIFCO, INC.

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Davenport, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hopper door operating mechanism
- Patent number 5,606,916
- Issue date Mar 4, 1997
- Difco, Inc.
- John R. Murray
- B61 - RAILWAYS
Information Patent Grant
Railroad ballast spreading (plow) system
- Patent number 5,579,593
- Issue date Dec 3, 1996
- Difco, Inc.
- John R. Murray
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Actuator assembly
- Patent number 5,402,731
- Issue date Apr 4, 1995
- Difco, Inc.
- Daniel L. Miller
- B61 - RAILWAYS
Information Patent Grant
Remote control positioning system for controlling hopper doors
- Patent number 5,359,942
- Issue date Nov 1, 1994
- Difco, Inc.
- Robert J. Ward
- B61 - RAILWAYS
Information Patent Grant
Automated ballast door mechanism
- Patent number 5,261,333
- Issue date Nov 16, 1993
- Difco, Inc.
- Daniel L. Miller
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
90560545 - DIFCO INC. PRESERVATION COMPANY
- Serial number 90560545
- Filing date Mar 4, 2021
- DIFCO, INC.
- 37 - Building construction
Information Trademark
75016742 - LADD
- Serial number 75016742
- Registration number 2004495
- Filing date Nov 8, 1995
- DIFCO, INC.
- 12 - Vehicles
Information Trademark
74286301 - LADD
- Serial number 74286301
- Registration number 1752056
- Filing date Jun 19, 1992
- DIFCO, INC.
- 12 - Vehicles
Information Trademark
73760876 - DIFCO
- Serial number 73760876
- Registration number 1558786
- Filing date Oct 31, 1988
- DIFCO, INC.
- 7 - Machines and machine tools
Information Trademark
73759174 - DIFFERENTIAL
- Serial number 73759174
- Registration number 1577649
- Filing date Oct 24, 1988
- DIFCO, INC.
- 12 - Vehicles
Information Trademark
73629025 - BALLASTER
- Serial number 73629025
- Registration number 1446004
- Filing date Nov 6, 1986
- DIFCO, INC.
- 7 - Machines and machine tools