Kenneth L. Orchard

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Beaverton, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for automatically starting a pellet furnace
- Patent number 5,263,642
- Issue date Nov 23, 1993
- Ortech Industries, Inc.
- Kenneth L. Orchard
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Control circuit for a forced-air heating system
- Patent number 4,842,190
- Issue date Jun 27, 1989
- Ortech Industries, Inc.
- Kenneth L. Orchard
- F24 - HEATING RANGES VENTILATING