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. 12, 1985
Filed:
Feb. 08, 1982
Applicant:
Inventor:
Peter C Sundt, Houston, TX (US);
Assignee:
Metrix Instrument Co., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
367183 ; 367187 ; 73652 ;
Abstract
A geophone having a non-conductive coilform thereby avoiding the disadvantages of conductive coilform damping and allowing closer control of both sensitivity and damping solely through shunt loading of the sensing coil. The coilform is a molded plastic coilform of a high strength lightweight glass filled resin. The coilform is a dimensionally stable and temperature stable thermoplastic. Preferably, the coilform is of polyphenylene sulfide.
Sundt, Peter. (1985). Geophone having a non-conductive coilform (U.S. Patent No. 4504932). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4504932
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile