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:
Jul. 03, 2012
Filed:
Oct. 04, 2005
Applicant:
Joerg Roth, Trebur, DE;
Inventor:
Joerg Roth, Trebur, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0565 (2010.01);
U.S. Cl.
CPC ...
Abstract
A diffusion media for use in a fuel cell stack and that is adjacently aligned with lands of a reactant plate of the fuel cell stack. The diffusion media includes a sheet having a permeable material with a thickness. A plurality of water transport pores are defined through the sheet. Each of the pores has a pore diameter that is greater than 1.5 times the thickness.