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:
Sep. 10, 1996
Filed:
Apr. 11, 1994
Applicant:
Inventors:
Theodore B Rydell, Schawano, WI (US);
Joseph D Wahlquist, Green Bay, WI (US);
Gerald W Tumanic, Shawano, WI (US);
Assignee:
Little Rapids Corporation, Green Bay, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
210504 ; 210263 ; 210473 ; 210501 ; 21050024 ; 210503 ; 210506 ; 210508 ; 428301 ;
Abstract
Disposable paper filters suitable for removal of contaminants from fluids such as water or air are disclosed. Specific embodiments include single-ply and multi-ply filters in which metal removal additives and/or halogen and organic contaminant removal additives have been distributed during the manufacturing process. Special manufacturing methods for producing such composite filters are also described.
Rydell, Theodore. (1996). Disposable filters and manufacturing process (U.S. Patent No. 5554288). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5554288
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile