10 patents
Utility
Automatic foundation vent plug with manual override
25 Jan 22
A housing with a top wall, a bottom wall, left end wall, right end wall, and a front cover each having a plurality of openings; a louver connector in a first opening of a first louver and a second opening of a second louver and connected to a third louver that extends between the left end wall and an interior wall (the louvers each being pivotally mounted); a connector attached to the third louver that receives a tab end of a bi-coil that is thermally activated to move the third louver to an open or closed position and the louver connector moves the first louver and the second louver to a corresponding position; and a manual override lever that moves the second louver to an open or closed position and the louver connector moves the first louver and the third louver to a corresponding position.
Richard Fieldhouse
Filed: 31 May 19
Design
Insulated cover for whole-house fan
26 Jan 21
Robert B. Holland, Grayson M. Griffin
Filed: 7 Sep 18
Design
Foundation vent
4 Jan 21
Richard Fieldhouse
Filed: 22 May 19
Design
Low profile vent
23 Nov 20
Robert B. Holland, Grayson M. Griffin
Filed: 20 Feb 18
Design
Roof vent
11 May 20
Robert B. Holland, Grayson Griffin, Rochelle D. Wellhausen-Grimm
Filed: 12 Jul 18
Utility
Roof ridge vent and associated method
9 Mar 20
A roof ridge vent comprises a body including inner and outer surfaces, first and second ends, and first and second sides.
Robert B. Holland, Grayson Griffin, Rochelle D. Wellhausen-Grimm
Filed: 12 Jul 18
Utility
Roof Ridge Vent and Associated Method
15 Jan 20
A roof ridge vent comprises a body including inner and outer surfaces, first and second ends, and first and second sides.
ROBERT B. HOLLAND, GRAYSON GRIFFIN, ROCHELLE D. WELLHAUSEN-GRIMM
Filed: 12 Jul 18
Utility
Automatic Foundation Vent Plug with Manual Override
11 Dec 19
A housing with a top wall, a bottom wall, left end wall, right end wall, and a front cover each having a plurality of openings; a louver connector in a first opening of a first louver and a second opening of a second louver and connected to a third louver that extends between the left end wall and an interior wall (the louvers each being pivotally mounted); a connector attached to the third louver that receives a tab end of a bi-coil that is thermally activated to move the third louver to an open or closed position and the louver connector moves the first louver and the second louver to a corresponding position; and a manual override lever that moves the second louver to an open or closed position and the louver connector moves the first louver and the third louver to a corresponding position.
Richard Fieldhouse
Filed: 30 May 19
Utility
Insulated cover for whole-house fan
9 Dec 19
An insulated cover for a whole-house fan includes a base defining an opening for disposal over the whole-house fan, and first and second, oppositely disposed, ceiling doors each hingedly connected to the base.
Robert B. Holland, Grayson M. Griffin
Filed: 19 Dec 16
Utility
Entangled mesh roof vent with integrated external baffle
30 Sep 19
A roof vent includes a continuous elongate mat composed of a mesh of randomly oriented fibers.
Robert B. Holland, Grayson M. Griffin
Filed: 30 Jul 17
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