Heyl & Patterson Inc.

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of devolatilizing earth solids and mobile truck for carrying...
- Patent number 5,152,233
- Issue date Oct 6, 1992
- Heyl & Patterson, Inc.
- Douglas J. Spisak
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Car dumping apparatus
- Patent number 4,690,603
- Issue date Sep 1, 1987
- Heyl & Patterson, Inc.
- Joseph R. Graner
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Railway car positioning apparatus
- Patent number 4,080,904
- Issue date Mar 28, 1978
- Heyl & Patterson, Inc.
- Gerard V. Lofink
- B61 - RAILWAYS
Information Patent Grant
Process and apparatus for cleaning very fine ore
- Patent number 4,028,228
- Issue date Jun 7, 1977
- Heyl & Patterson, Inc.
- David D. Ferris
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Railway car spotting system
- Patent number 3,987,735
- Issue date Oct 26, 1976
- Heyl & Patterson, Inc.
- Gerard V. Lofink
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
78313136 - CUB
- Serial number 78313136
- Registration number 3392732
- Filing date Oct 14, 2003
- Heyl & Patterson Inc.
- 7 - Machines and machine tools
Information Trademark
74530493 - RENNEBURG
- Serial number 74530493
- Registration number 1945060
- Filing date May 27, 1994
- HEYL & PATTERSON, INC.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
74530492 - MULTIDISC
- Serial number 74530492
- Filing date May 27, 1994
- HEYL & PATTERSON, INC.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes