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:
May. 05, 1981
Filed:
Aug. 14, 1978
Applicant:
Inventors:
Narinder S Kapany, Woodside, CA (US);
Fred C Unterleitner, Palo Alto, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24J / ;
U.S. Cl.
CPC ...
126431 ; 126449 ; 126444 ; 165 / ;
Abstract
An insulating window which has louvered radiant energy absorbing screen positioned in the airspace between inner and outer spaced apart window panes, said airspace connected at the top to electrically actuated dampers and blower in a duct system, and said airspace connected at the bottom to the interior of the room through an air filtering element. In the preferred embodiment, temperature sensors and electronic logic system provide control of air flow rate and valve settings to accomplish space heating, water heating and/or exterior venting of hot air as required by weather conditions and building heat demands.