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:
Jun. 29, 1999
Filed:
Jun. 19, 1998
John S Manning, Bowling Green, KY (US);
Christopher P Hollis, Bowling Green, KY (US);
James L Jacobs, Bowling Green, KY (US);
Ralph E Pratt, Bowling Green, KY (US);
Desa International, Bowling Green, KY (US);
Abstract
A radiant gas heater includes a first ceramic plaque burner and an adjacent and larger second plaque burner. A valve spindle is movable to establish in series 'Low,' 'Medium' and 'High' heat positions by first supplying gas in the vicinity of the first burner, then supplying gas in the vicinity of the second burner while momentarily maintaining the flow of gas to the first burner, next discontinuing the flow of gas to the first burner and finally by reestablishing the flow of gas to the first burner while maintaining the flow of gas to the second burner.