Emergency shut off actuator for anhydrous ammonia valves
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The broken line showing of the actuator, valve, and first and second locking mechanism is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design.
Claims
The ornamental design for an emergency shut-off actuator for an anhydrous ammonia valve, as shown and described.
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Type: Grant
Filed: Jan 9, 2019
Date of Patent: Feb 9, 2021
Assignee: Squibb Taylor, Inc. (Dallas, TX)
Inventors: William Henry Sands, III (Dallas, TX), William Henry Sands, Jr. (Dallas, TX), Brently Craig Wilkerson (Dallas, TX), Patrick Lee Hodges (Dallas, TX), William Browning Washington, IV (Dallas, TX), Jack Jay Potts (Dallas, TX)
Primary Examiner: George D. Kirschbaum
Application Number: 29/676,144