Emergency shut off actuator for anhydrous ammonia valves

- Squibb Taylor, Inc.
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FIG. 1 is a front view of an emergency shut-off actuator for an anhydrous ammonia valve, showing our new design;

FIG. 2 is a front view illustrated in FIG. 1, shown in an alternate position thereof;

FIG. 3 is a back perspective view thereof;

FIG. 4 is a top perspective view illustrated in FIG. 1 thereof;

FIG. 5 is a bottom perspective view thereof;

FIG. 6 is a bottom perspective view thereof;

FIG. 7 is a top perspective view thereof;

FIG. 8 is a front view thereof; and,

FIG. 9 is a back view thereof.

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.


The ornamental design for an emergency shut-off actuator for an anhydrous ammonia valve, as shown and described.

Referenced Cited
U.S. Patent Documents
D256607 August 26, 1980 Carlin
D284989 August 5, 1986 Fetty
D297971 October 4, 1988 Kiyota
D380526 July 1, 1997 Pullen
D514528 February 7, 2006 Beaton
D559790 January 15, 2008 Okuno
D615047 May 4, 2010 Zheng
D745640 December 15, 2015 Russell
D822173 July 3, 2018 Yung
D836754 December 25, 2018 Johanning
D858712 September 3, 2019 Le
D886954 June 9, 2020 Gabriel
D887813 June 23, 2020 Burns
Patent History
Patent number: D910150
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