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:
May. 06, 1997
Filed:
Mar. 28, 1996
Applicant:
Inventors:
Gabriele Schmidt, Ludwigsburg, DE;
Karl-Heinz Schmidt, Ludwigsburg, DE;
Hans Delesky, Sachsenheim, DE;
Assignee:
Beru Ruprecht GmbH & Co., , DE;
Primary Examiner:
Int. Cl.
CPC ...
F23Q / ;
U.S. Cl.
CPC ...
219270 ; 1231 / ; 361266 ;
Abstract
Glow plug with a heating rod formed of an inner pole (2) and a glow tube (5), in which a heating element (3) is located which is electrically connected to the inner pole (2). The glow tube (5) is provided with protective coating (6) at least in the area of its tip. The protective coating is selected from the group consisting of materials which include NiCrAlY, CoCrAlY, CoNiCrAlY, NiCrAl, NiCr, NiCrFe and NiCrWCo.