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:
May. 08, 1990
Filed:
Feb. 16, 1989
Applicant:
Inventor:
Stephen D Smith, Sedalia, CO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F / ; F24F / ;
U.S. Cl.
CPC ...
98 4206 ; 98 4204 ; 98119 ; 98 4212 ; 34 90 ; 165909 ;
Abstract
An effective radon ventilator which adapts to laundry dryer vents. The unit vents radon gas from houses at the point of greatest concentration, the basement or ground level, as well as venting other objectionable fumes. The ventilator houses a fan and a flow damper to vent both airborne radon gas/fumes and laundry dryer vapors. A heat transfer device enables energy efficient operation.