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US 6,818,035 B2Granted
Window biological and chemical contamination filter
OwnerHarry V. McGahey, Jr.inventor
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a window mounted biological and chemical contamination filter system consisting of a window mounted fan system connected to one or more standard biological and chemical gas mask cartridges affixed to the portion of the window unit extending out to the outside of the window where it is installed.
Claims9
A Biological and Chemical Contamination Filter comprising:
- a. a plurality of rotating fans mounted;
- b. in a window or door of a structure or a vehicle;
- c. which draw air in from the outside;
- d. an airtight tube surrounding each fan to allow air to be drawn from the exterior of the window or door of the structure or vehicle;
- e. a one way valve between each fan and the exterior to prevent interior air from becoming contaminated by exterior air when the fan is not operating;
- f. a standard gas mask mounting between each one way valve and the exterior which accepts a standard biological and chemical gas mask filter;
- g. flashing and inert sealant means to create an air tight seal for the entire system placed into the window or door of a structure or vehicle.
4 more elements
Dependencies are inferred from the claim text.