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:
Aug. 18, 1987
Filed:
May. 23, 1985
Applicant:
Inventors:
Walter Eichler, Steinheim, DE;
Karlheinz Farber, Giengen, DE;
Elisabeth Fischer, Kammeltal/Behlingen, DE;
Assignee:
Bosch-Siemens Hausgeraete GmbH, Munich, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
219502 ; 219400 ;
Abstract
An apparatus for heating an air current, includes a heating coil being heated until it glows providing radiation in a given region, a device for conducting an air current past the heating coil, an electronic heating power control device connected to the heating coil, and a control sensor connected to the control device in the form of a light radiation sensitive circuit element disposed in the given region.