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:
Mar. 20, 1990
Filed:
Apr. 06, 1988
Applicant:
Inventor:
Christopher E Dodson, Reading, GB;
Assignee:
Torftech Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 92 ; 55260 ; 261 792 ;
Abstract
A method of carrying out a process on or with liquid comprises moving a bed of the liquid in a band 28 continuously along an annular path defined in a chamber 12 by passing fluid 38 having both circumferential and vertical components through the bed along the path during the carrying out of the process.