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:
Mar. 03, 1987
Filed:
Oct. 01, 1985
Willie T Grant, Lakewood, CO (US);
Other;
Abstract
Damper means having rotatable closure means mounted in a housing placed in the flow stream of a heating/cooling medium to regulate and control the medium being transported through duct means of a heating/cooling device; said closure means being operated by motor means, said motor means and fuel control means of the heating/cooling device being energized by means of a coded signal of thermostatically operated generator/transmitter means, said signal being transmitted along existing wires of a structure to receiver means, said receiver means electrically connecting to said motor means and to fuel control means, demodulating said coded signal and operating said motor means and fuel control means.