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:
May. 11, 2010
Filed:
Oct. 20, 2005
Applicants:
Robert Brian Dopp, Marietta, GA (US);
Allan Nettleton, Madison, WI (US);
Inventors:
Robert Brian Dopp, Marietta, GA (US);
Allan Nettleton, Madison, WI (US);
Assignee:
Quantumsphere, Inc., Santa Ana, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 3/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for and a method of feeding powders to a subsequent processing step. In particular, the apparatus includes a first hopper, a first metering brush feed, an intermediate chamber, a second distribution brush, a level sensor, and a supply hopper to deliver powder to a pair of rollers. In one embodiment, the hopper is fitted to the roller diameter to produce a uniform, ribbon or free-standing sheets suitable for air-breathing battery and fuel cell electrodes.