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:
Jul. 31, 2012
Filed:
Jan. 28, 2008
Applicant:
Marco Sanwald, Abtwil, CH;
Inventor:
Marco Sanwald, Abtwil, CH;
Assignee:
ITW Gema AG, St. Gallen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G 51/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coating powder feed unit containing a powder pump which in a suction operating mode aspirates coating powder into a powder chamber () and in a pressure operating mode expels coating powder by means of compressed air out of the powder chamber (). Said unit includes a pressure tester () measuring the compressed air pressure and generating a test signal based on the measured compressed air pressure.