David L. Hansen

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Averill Park, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Sparking device for promoting avoidance of short-circuiting
- Patent number 5,984,668
- Issue date Nov 16, 1999
- Landfill Technologies, Inc.
- David L. Hansen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Self ignited landfill gas vent flare and flarehead
- Patent number 5,957,681
- Issue date Sep 28, 1999
- Landfill Technologies, Inc.
- David L. Hansen
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES