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.

Date of Patent:
Dec. 17, 1985

Filed:

Apr. 22, 1983
Applicant:
Inventor:

John D Muchow, Long Beach, CA (US);

Assignee:

Hydril Company, Los Angeles, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137269 ; 1374546 ; 137215 ; 138 45 ; 251224 ;
Abstract

A choke valve apparatus is accommodated to different conditions of fluid flow (to or from a well, for example) by providing multiple flow control packages each having two flow control units, each package being readily connectible in the same valve body.


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