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:
Jul. 10, 2012
Filed:
Sep. 29, 2005
Laurence W. Bassett, Killingworth, CT (US);
Timothy B. Carney, Madison, CT (US);
Robert E. Astle, Middlefield, CT (US);
Hemang R. Patel, Wallingford, CT (US);
Dian Zheng, Middletown, CT (US);
Laurence W. Bassett, Killingworth, CT (US);
Timothy B. Carney, Madison, CT (US);
Robert E. Astle, Middlefield, CT (US);
Hemang R. Patel, Wallingford, CT (US);
Dian Zheng, Middletown, CT (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The present disclosure relates to a new multi component counter top water filtration system having two filtration media cartridges, one media cartridge being replaceable at least twice before the second media cartridge exceeds its useful life and requires replacement and includes a mechanism for disengaging the o-rings associated with the operative connection of the inner filter media cartridge with the outer filter media cartridge without rotation thereof during replacement of the inner filter media cartridge and includes the separation of the plumbing and electronic components wherein the lower housing unit houses the plumbing components such as the water filtration pressure vessel, tubing and flow indication signaling device and the upper unit houses the electronics component and filtration methods related thereto and methods of operating same.