The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 1998
Filed:
Apr. 11, 1997
Lunxi Peter Xia, La Crescent, MN (US);
Rolf M Hanson, Holmen, WI (US);
Nels R Ebbesen, Winona, MN (US);
Michael G Lunacek, Crescent, MN (US);
Robert M Swanson, La Crosse, WI (US);
Dennis R Dorman, La Crosse, WI (US);
Jeffrey A Moore, La Crosse, WI (US);
American Standard Inc., Piscataway, NJ (US);
Abstract
A device for monitoring and modulating the admission of fresh air into a building. The device comprises a housing; a sensor associated with the housing and operable to measure airflow through the housing; and a damper including at least two damper blades. Each damper blade includes a shaft rotatably attached to the housing at least at a first shaft end. The shaft is located on the surface of the damper blade so as to divide the surface into first and second substantially equal areas.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile