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. 07, 2022
Filed:
Nov. 26, 2018
Applicant:
Shinfuji Burner Co., Ltd, Aichi, JP;
Inventor:
Hiroshi Yamamoto, Aichi, JP;
Assignee:
SHINFUJI BURNER CO., LTD., Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F42B 4/26 (2006.01); F21L 17/00 (2006.01); F23D 14/46 (2006.01); F23D 14/38 (2006.01);
U.S. Cl.
CPC ...
F42B 4/26 (2013.01); F21L 17/00 (2013.01); F23D 14/38 (2013.01); F23D 14/465 (2013.01); F23D 2203/107 (2013.01);
Abstract
A torch includes a main burner that produces a flame; a flame holding body configured to maintain the combustion state of the main burner if the flame produced by the main burner is about to be extinguished; and a gas supply pipe configured to feed combustion gas from a gas container filled with the combustion gas to the main burner and the flame holding body.