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. 24, 2000
Filed:
Apr. 24, 1998
Applicant:
Inventors:
Thomas John Bergman, Jr, North Tarrytown, NY (US);
Jeffery Paul Kingsley, Newburgh, NY (US);
Mark Herbert Kirby, Ridgefield, CT (US);
Mitchell Adis, North White Plains, NY (US);
Victor Alexander Coppola, Stamford, CT (US);
Assignee:
Praxair Technology, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
261 93 ; 261120 ; 2611211 ;
Abstract
Oxygen or other gases are dissolved in large bodies of liquid by injection under a baffle for passage into a submerged hollow draft-tube-impeller means assembly for downward passage therein. Liquid containing dissolved gas is dispersed throughout the body of liquid, while any undissolved gas is effectively recovered and recycled.