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:
Dec. 16, 1997
Filed:
Oct. 11, 1995
Applicant:
Inventors:
Howard Matthew Colquhoun, Knutsford, GB;
Peter John Williams, Frodsham, GB;
Andrew Lennard Lewis, Ponciau, GB;
Assignee:
North West Water Group PLC, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210652 ; 210654 ; 210490 ; 21050041 ; 21050027 ; 264 451 ; 427245 ;