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:
Oct. 15, 1991
Filed:
Dec. 19, 1989
Applicant:
Inventors:
Bernd R Hettel, Los Angeles, CA (US);
Jay E Philippbar, Dana Point, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D / ;
U.S. Cl.
CPC ...
165 10 ; 126263 ;
Abstract
A self-contained manually triggerable thermal energy pack includes a flexible enclosure containing a supercooled solution capable of being triggered to begin crystallization and a triggering structure including a single close turn helical metallic spring having sufficient stiffness to maintain its cylindrical shape and sufficient resiliency to allow bending by the application of manual pressure normal to its axis.