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Herbert L. Willke Jr.
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Cambridge, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Induction assembly for high efficiency air filter
Patent number
6,248,146
Issue date
Jun 19, 2001
Herbert L. Willke
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Compact air handling unit with integral silencing
Patent number
6,102,153
Issue date
Aug 15, 2000
Herbert L. Willke
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Branch take-off and silencer for an air distribution system
Patent number
4,418,788
Issue date
Dec 6, 1983
Mitco Corporation
Dimiter Gorchev
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Air distribution system
Patent number
4,319,521
Issue date
Mar 16, 1982
Mitco Corporation
Dimiter Gorchev
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Air distribution system
Patent number
4,295,416
Issue date
Oct 20, 1981
Mitco Corporation
Dimiter Gorchev
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Damper for an air distribution system
Patent number
4,223,832
Issue date
Sep 23, 1980
Mitco Corporation
Dimiter Gorchev
F24 - HEATING RANGES VENTILATING