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:
Feb. 12, 2008
Filed:
Nov. 07, 2003
Applicants:
Glyn Wilfred Turner, Brierley Hill, GB;
Lee Brian Herbert, Brierley Hill, GB;
Inventors:
Glyn Wilfred Turner, Brierley Hill, GB;
Lee Brian Herbert, Brierley Hill, GB;
Assignee:
Ambi-Rad Limited, West Midlands, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23C 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An indirect heater assembly () comprises a radiant tube heater () and a fan () for generating an air flow over the heater (). In an preferred embodiment and in another aspect, the radiant tube heater () comprises a radiant tube burner, an elongate tubeand a spiral tube () connected to the elongate tube () by a U-shaped tube (). The spiral tube () extends around the elongate tube () coaxially thereof.