Douglas Burthum Brown

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method for ablative heat transfer
- Patent number 5,770,017
- Issue date Jun 23, 1998
- Ireton International, Inc.
- Douglas B. Brown
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for feeding a mass of particulate or fibrous material
- Patent number 4,947,743
- Issue date Aug 14, 1990
- Stake Technology Limited
- Douglas B. Brown
- B30 - PRESSES
Information Patent Grant
Press for expressing liquid from a mass
- Patent number 4,412,485
- Issue date Nov 1, 1983
- Stake Technology Limited
- Douglas B. Brown
- B30 - PRESSES
Information Patent Grant
Apparatus for conveying particulate material
- Patent number 4,186,658
- Issue date Feb 5, 1980
- Stake Technology Ltd.
- Douglas B. Brown
- B30 - PRESSES
Information Patent Grant
Method and apparatus for conveying particulate material
- Patent number 4,119,025
- Issue date Oct 10, 1978
- Stake Technology Ltd.
- Douglas Burthum Brown
- B30 - PRESSES