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:
Apr. 04, 1978
Filed:
Oct. 13, 1976
Applicant:
Inventor:
William J Swenson, Houston, TX (US);
Assignee:
Raymond International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B / ; F01B / ; F01L / ;
U.S. Cl.
CPC ...
9121 / ; 91290 ; 91321 ; 91330 ; 91337 ; 91285 ;
Abstract
A hydraulically driven hammer is disclosed, along with valve actuation arrangements which operate to switch hydraulic forces on the hammer ram after preselected intervals following application of pressurized pilot fluid flows. These flows pass into a fluid accumulation chamber unitl a predetermined volume is accumulated after which continued pilot fluid flow produces valve actuation.
Swenson, William. (1978). Control of hydraulically powered equipment (U.S. Patent No. 4082032). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4082032
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile