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:
Oct. 07, 1997
Filed:
Jan. 22, 1996
Applicant:
Inventors:
Maurizio Grando, Chirignago, IT;
Michele Bortoliero, Monselice, IT;
Kenneth D Fox, Charlotte, NC (US);
Assignee:
Op S.R.L., Pernumi, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23Q / ;
U.S. Cl.
CPC ...
431 54 ; 431 53 ; 126512 ;
Abstract
This invention relates to the operation of unvented gas fired appliances and enhances the safety of effectively controlling the flow of gases to an unvented gas heater, such as gas fired fireplace logs, while enabling a thermostat to control the temperature of the heated area by combining a thermocouple for safety and a thermopile for operation of the thermostat.