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. 19, 1994
Filed:
Jan. 21, 1993
Applicant:
Inventors:
James R Dray, Kenmore, NY (US);
Mark J Roberts, Grand Island, NY (US);
Dante P Bonaquist, Grand Island, NY (US);
Harry Cheung, Williamsville, NY (US);
Paul L Just, Tonawanda, NY (US);
James B Mize, Williamsville, NY (US);
John H Royal, Grand Island, NY (US);
Assignee:
Praxair Technology, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62 24 ; 62 39 ; 62 41 ;
Abstract
A single column lower pressure cryogenic rectification system wherein nitrogen top vapor is condensed against column bottoms, elevated in pressure, and vaporized against elevated pressure fluid to achieve simultaneously high purity and high pressure nitrogen gas product.
Quick Actions:
Dray, James. (1994). Single column cryogenic rectification system for producing nitrogen gas (U.S. Patent No. 5303556). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5303556
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile