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. 03, 2005
Filed:
Nov. 13, 2001
Applicants:
Detlef Heimann, Gerlingen, DE;
Torsten Handler, Stuttgart, DE;
Lothar Diehl, Stuttgart, DE;
Dieter Lindauer, Muehlacker, DE;
Dietmar Seizinger, Vaihingen/Enz, DE;
Inventors:
Detlef Heimann, Gerlingen, DE;
Torsten Handler, Stuttgart, DE;
Lothar Diehl, Stuttgart, DE;
Dieter Lindauer, Muehlacker, DE;
Dietmar Seizinger, Vaihingen/Enz, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B003/02 ;
U.S. Cl.
CPC ...
Abstract
A heating device for a gas sensor, in particular for use in the exhaust gas analysis of internal combustion engines, including a heating element having an electrical resistor layer. The heating element is embedded in a first insulation which in turn is surrounded, at least in part, by a second insulation. The first and the second insulation have different porosities.