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. 01, 2010
Filed:
Oct. 15, 2004
Applicants:
Peter Ryser, Morges, CH;
Sigfrid Straessler, St-Saphorin-sur-Morges, CH;
Josef Hilber, Allenwinden, CH;
Inventors:
Peter Ryser, Morges, CH;
Sigfrid Straessler, St-Saphorin-sur-Morges, CH;
Josef Hilber, Allenwinden, CH;
Assignee:
Sensile Pat AG, Haegendorf, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pump system having a pump module () comprising a stator housing () with a chamber (), a rotor () rotatably and axially slidably received in the chamber and comprising a first axial extension () with a liquid supply channel () and a second axial extension with a liquid supply channel (), the first and second axial extensions having different diameters, and first and second sealing rings (), mounted around the first and second axial extensions.