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. 07, 1993
Filed:
Dec. 22, 1992
Applicant:
Inventors:
Paul M Thompson, Fort Collins, CO (US);
William L Wood, Fort Collins, CO (US);
Assignee:
Teledyne Industries, Inc., Fort Collins, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B03C / ;
U.S. Cl.
CPC ...
96 67 ; 55497 ; 55DI / ;
Abstract
A portable air filter system is described for use in the home, offices, or other areas where it is desired to remove airborne particulate matter from the air. The air filter system includes an enclosure having an air inlet and outlet areas, removable air filter which is grounded, a fan for moving air from the inlet to the outlet through the filter, and an ionizer for supplying negative ions to the air exiting through the outlet. The filter includes electrostatically charged fibrous material in a removable cartridge.