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:
Jan. 16, 2007
Filed:
Mar. 04, 2003
Applicants:
Morteza Gharib, San Marino, CA (US);
Anna Iwaniec, Sierra Madre, CA (US);
Jijie Zhou, Pasadena, CA (US);
Flavio Noca, Altadena, CA (US);
Inventors:
Morteza Gharib, San Marino, CA (US);
Anna Iwaniec, Sierra Madre, CA (US);
Jijie Zhou, Pasadena, CA (US);
Flavio Noca, Altadena, CA (US);
Assignee:
California Institute of Technology, Pasadena, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 43/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hydro-elastic pumping system formed from an elastic tube element having attached end members with different hydroimpedance properties, wherein the elastic element is pinched with certain frequency and duty cycle to form asymmetric forces that pump fluid.