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:
Nov. 10, 2009
Filed:
May. 10, 2004
Applicant:
Fritz Müller, Ingelfingen, DE;
Inventor:
Fritz Müller, Ingelfingen, DE;
Assignee:
Gemü Gebrüder Müller Apparatebau GmbH & Co. KG, Ingelfingen, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A compressor for operating a diaphragm of polymer material for a diaphragm valve includes a base body having a diaphragm-proximal surface, and a material layer at least partially provided on the diaphragm-proximal surface and having a very low coefficient of friction.