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. 28, 2002
Filed:
May. 22, 2001
Applicant:
Inventors:
Vijayaraghavan Srinivasan, Williamsville, NY (US);
Michael James Lockett, Grand Island, NY (US);
Assignee:
Praxair Technology, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J 3/00 ;
U.S. Cl.
CPC ...
F25J 3/00 ;
Abstract
A system, especially useful under cryogenic conditions, for downflowing cocurrent condensation of vapor against downflowing partially vaporizing liquid, wherein the condensing vapor flows within tubes having fluted internal surfaces and the boiling liquid flows along the outer surfaces of the tubes having re-entrant cavities.