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:
Apr. 08, 2008
Filed:
Sep. 22, 2005
Applicants:
Yang-tse Cheng, Rochester Hills, MI (US);
John C. Ulicny, Oxford, MI (US);
Thomas A. Perry, Bruce Township, MI (US);
Mark A. Golden, Washington, MI (US);
Inventors:
Yang-Tse Cheng, Rochester Hills, MI (US);
John C. Ulicny, Oxford, MI (US);
Thomas A. Perry, Bruce Township, MI (US);
Mark A. Golden, Washington, MI (US);
Assignee:
GM Global Technology Operations, Inc., Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetorheological fluid composition comprising a low aspect ratio magnetizable particle comprising a unimodal particle distribution and an aspect ratio less than 1.5, a high aspect ratio magnetizable particle comprising an aspect ratio greater than 1.5, and a carrier fluid.