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:
Jan. 29, 1991
Filed:
Aug. 03, 1989
Applicant:
Inventors:
Alexander P Varghese, Bethlehem, PA (US);
Robert H Herring, New Tripoli, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F17C / ;
U.S. Cl.
CPC ...
220469 ; 220901 ; 62 555 ;
Abstract
Method and apparatus for preventing loss of liquid cryogen due to heat infiltration into the cryogen stored in a dewar. At least one transient heat shield disposed in the vacuum space between the inner and outer vessels of the dewar in heat exchange with normal cryogenic liquid, cold gas, or supercritical fluid withdrawal means of the stored cryogen, intercepts heat transfer into the stored cryogen.
Varghese, Alexander. (1991). Method and apparatus for storing cryogenic fluids (U.S. Patent No. 4988014). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4988014
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile