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:
Mar. 30, 2010
Filed:
Aug. 26, 2005
Applicants:
Joseph F. Freiman, Cypress, TX (US);
Thomas P. Sawyers, Hempstead, TX (US);
Inventors:
Joseph F. Freiman, Cypress, TX (US);
Thomas P. Sawyers, Hempstead, TX (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/44 (2006.01); H02J 7/00 (2006.01); H01M 8/04 (2006.01); H02J 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
In at least some embodiments, a system comprises a load and a fuel cell coupled to said load, the fuel cell being configured to provide a constant power level to said load. The system further comprises a battery coupled to said load and configured to provide power in excess of said constant power level to said load, if needed by said load.