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. 14, 1977
Filed:
Dec. 10, 1975
Applicant:
Inventor:
Gordon M Bitterlich, Tredyffrin Township, Chester County, PA (US);
Assignee:
National Airoil Burner Co., Inc., Philadelphia, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
F23C / ;
U.S. Cl.
CPC ...
431114 ; 431188 ; 431284 ;
Abstract
A combination oil and gas burner is shown with the noise attendant upon the delivery of the primary and secondary air for combustion and the noise of the combustion muffled or suppressed by sound absorbing material disposed to reduce sound transmission to a low level.