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. 08, 1985
Filed:
Apr. 02, 1984
Applicant:
Inventors:
Joseph P Alario, Hauppauge, NY (US);
Robert Kosson, Massapequa, NY (US);
Edward Leszak, Amityville, NY (US);
Assignee:
Grumman Aerospace Corporation, Bethpage, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
F28D / ;
U.S. Cl.
CPC ...
16510426 ; 165133 ; 122366 ;
Abstract
A sealed heat pipe of uniform cross sectional profile from evaporator to condenser which includes a plurality of capillary channels communicating with a central channel by means of narrow re-entrant groove openings having convergent entrances. A two step method of fabrication includes extruding the re-entrant grooves, then drawing a mandrel through the virgin extrusion.
Alario, Joseph. (1985). Re-entrant groove heat pipe (U.S. Patent No. 4545427). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4545427
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile