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:
Mar. 24, 1981
Filed:
Jan. 05, 1979
Applicant:
Inventors:
James R Partin, Stillwater, OK (US);
James E Bose, Stillwater, OK (US);
Carl W Ledbetter, Stillwater, OK (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ; F25D / ; F25B / ;
U.S. Cl.
CPC ...
622387 ; 62260 ; 623246 ; 165 45 ;
Abstract
A heating and cooling system having a refrigerant heat pump employing first and second evaporator-condensers with a reversing valve, a refrigerant-to-water heat exchanger embodying the first evaporator-condenser, an elongated conduit buried in the earth and connected with the heat exchanger, and means positioned in the earth to maintain the earth in wet condition adjacent the conduit so that heat is efficiently transferred between the conduit and the earth.
Partin, James. (1981). Earth coil heating and cooling system (U.S. Patent No. 4257239). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4257239
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile