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:
Feb. 01, 1983
Filed:
Aug. 07, 1981
Applicant:
Inventor:
Gunter R Kullik, Meinerzhagen, DE;
Assignee:
Progress-Elektrogerate Mauz & Pfeiffer GmbH & Co., Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15319 ; 15412 ;
Abstract
A vacuum cleaner, for household and industrial purposes, including a suction fan, driven by an electric motor, for generating a working air flow, and an electrical converter, in the form of a generator driven by the working air flow, for detecting the strength of the working air flow, the output of the generator being connected with a regulating and control circuit.