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:
Jan. 19, 1993
Filed:
Oct. 15, 1990
Applicant:
Inventors:
Kevin B Martin, Atascadero, CA (US);
Ralph G Martin, Atascadero, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01C / ; G01K / ;
U.S. Cl.
CPC ...
338 28 ;
Abstract
A resistance temperature detector for rapidly sensing temperatures in an operating environment by means of changes in the current through an element whose electrical resistance varies with temperature includes a fine wire coil whose electrical resistance varies with temperature, and a deposited coating of a rigid, coherent mineral, such as diamond, which is deposited over the fine wire coil.