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. 28, 1976
Filed:
Feb. 25, 1975
Applicant:
Inventor:
Jay L Lewis, Knoxville, TN (US);
Assignee:
Robertshaw Controls Company, Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
236 / ; 6217 / ; 73336 ;
Abstract
A humidity and temperature responsive device having a temperature sensor provided with a part that moves upon changes in sensed temperature and having a humidity sensor that is provided with a part that moves upon changes in sensed humidity. A tension spring interconnects the movable parts together so that the same act together to vary a bleed valve arrangement so that the output pressure of the device can be utilized to indicate enthalpy or operate control devices to select air with high or low enthalpy.
Lewis, Jay. (1976). Humidity and temperature responsive device and method of making the same (U.S. Patent No. 3999706). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3999706
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile