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Holley Engineering Company, Inc.
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Montgomery, AL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Ballast broom with auger and method
Patent number
5,579,553
Issue date
Dec 3, 1996
Holley Engineering Company, Inc.
John D. Holley
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Ballast sweeper dust control
Patent number
5,394,586
Issue date
Mar 7, 1995
Holley Engineering Company, Inc.
John D. Holley
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Tie plate manipulator vehicle and method
Patent number
5,331,899
Issue date
Jul 26, 1994
Holley Engineering Company, Inc.
John D. Holley
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Rail spike cleaning apparatus
Patent number
4,940,001
Issue date
Jul 10, 1990
Holley Engineering Company, Inc.
John D. Holley
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Anchor spreader apparatus and method
Patent number
4,903,611
Issue date
Feb 27, 1990
Holley Engineering Company, Inc.
John D. Holley
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Magnetic pick up system for rail beds and method
Patent number
4,722,283
Issue date
Feb 2, 1988
Holley Engineering Company, Inc.
John D. Holley
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Rail tie plate placing vehicle and method
Patent number
4,691,639
Issue date
Sep 8, 1987
Holley Engineering Company, Inc.
John D. Holley
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Method and apparatus for scarifying a railroad crib
Patent number
4,561,198
Issue date
Dec 31, 1985
Holley Engineering Company, Inc.
John D. Holley
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Railroad scrap pick up machine
Patent number
4,478,152
Issue date
Oct 23, 1984
Holley Engineering Company, Inc.
John D. Holley
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Sweeper bristle and method of making
Patent number
RE31619
Issue date
Jul 3, 1984
Holley Engineering Company, Inc.
John D. Holley
015 - Brushing, scrubbing, and general cleaning
Patents Applications
last 30 patents
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last 30 trademarks