Ball control valve
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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)