Ball control valve
Description
The broken line showing in the figures is included for the purpose of illustrating environment and forms no part of the claimed design.
Claims
The ornamental design for a ball control valve, as shown and described.
Referenced Cited
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Patent History
Patent number: D726877
Type: Grant
Filed: Apr 7, 2014
Date of Patent: Apr 14, 2015
Assignee: Norriseal-Wellmark, Inc. (Houston, TX)
Inventors: Thomas C. Trent (Houston, TX), Michael E. Wickman (Houston, TX)
Primary Examiner: Cynthia Ramirez
Application Number: 29/487,193
Type: Grant
Filed: Apr 7, 2014
Date of Patent: Apr 14, 2015
Assignee: Norriseal-Wellmark, Inc. (Houston, TX)
Inventors: Thomas C. Trent (Houston, TX), Michael E. Wickman (Houston, TX)
Primary Examiner: Cynthia Ramirez
Application Number: 29/487,193
Classifications
Current U.S. Class:
Valve Or Body Therefor (D23/233)