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:
Oct. 21, 1980
Filed:
Aug. 28, 1978
Richard L Turner, Broken Arrow, OK (US);
Other;
Abstract
An oil well subsurface pump comprising a housing having one end thereof adapted to be secured to the lowermost end of a sucker rod, or the like, and the opposite end thereof in open communication with the fluid reservoir in a well bore, a ball check valve carried by the housing, a ball stop member disposed within the housing for limiting the movement of the ball member in one direction and having ports therein for passage of fluid upwardly through the housing, resilient sealing assembly interposed between the outer periphery of the housing and the inner periphery of the barrel and slidable with respect to the barrel during a pumping operation, and discharge ports provided in the housing in spaced relation to the sealing assembly for directing well fluid from the interior of the housing to the annulus between the housing and the working barrel for transportation of the fluid to the surface of the well bore.