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:
Jun. 10, 2014
Filed:
Oct. 22, 2007
Applicants:
Martin Wackerle, Munchen, DE;
Martin Richter, Munich, DE;
Inventors:
Martin Wackerle, Munchen, DE;
Martin Richter, Munich, DE;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16J 3/02 (2006.01); F04B 17/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
A diaphragm pump includes a pump chamber having an inlet opening and an outlet opening. A passive silicon check valve is provided at the inlet opening, and a passive silicon check valve is provided at the outlet opening. The diaphragm pump further includes a metallic pump diaphragm that adjoins the pump chamber.