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:
Oct. 29, 1991
Filed:
Mar. 20, 1990
Applicant:
Inventors:
William T Sengpiel, Oak Brook, IL (US);
Philip J Doucet, Andover, MA (US);
Assignee:
CRS Industries, Inc., Tampa, FL (US);
Primary Examiner:
Int. Cl.
CPC ...
B03C / ;
U.S. Cl.
CPC ...
55-4 ; 55-6 ; 55105 ; 55139 ; 55126 ; 55106 ;
Abstract
An air purification system for subjecting air to a complex electrical field including sensors and a monitor/controller for monitoring effectiveness, operational conditions of the electrical field and the system, and ambient conditions of the air being purified. The level of the high voltage, RMS and high frequency is processed so that frequency, RMS and high D.C. can be measured at a low D.C. voltage.