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. 08, 2005
Filed:
Dec. 18, 2003
Applicants:
William P. O'donnell, Aurora, IL (US);
Michael D. Vanmaldegiam, North Aurora, IL (US);
Erik D. Jensen, Batavia, IL (US);
Donald E. Wilt, Batavia, IL (US);
Michael S. Dillon, Cortland, IL (US);
Inventors:
William P. O'Donnell, Aurora, IL (US);
Michael D. VanMaldegiam, North Aurora, IL (US);
Erik D. Jensen, Batavia, IL (US);
Donald E. Wilt, Batavia, IL (US);
Michael S. Dillon, Cortland, IL (US);
Assignee:
Miner Enterprises, Inc., Geneva, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61F003/00 ;
U.S. Cl.
CPC ...
Abstract
A railroad car energy absorption apparatus is disclosed. The railroad car energy absorption apparatus includes a spring assembly having an elastomer spring element arranged in operable combination with structure for inhibiting localized heat deterioration of the elastomer spring element.