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:
Aug. 12, 1980
Filed:
Jun. 02, 1978
Applicant:
Inventors:
Richard C Farris, Jeshua, TX (US);
William S Butler, Burleson, TX (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29434 ; 29446 ; 29453 ;
Abstract
A piston and cylinder motion dampening device having a spiral groove metering, an orificed two-way pressure relief valve or a screw-on spring or an over-extension limiting seal retainer. A push-together method of assembling a piston and cylinder motion dampening device. A motion dampening device with a baffle chamber.