For the Inventor, By the Inventor

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Tulsa, OK, United States of America

The Crosby Group, Inc.

USPTO Granted Patents = 53

% Expired Patents = 9.4

CIPO Patents = 2

EPO Patents = 13

Trademarks = 55

Forward Citations = 586

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38 inventors (with patents filed for the assignee):

Larry L Postelwait (9 out of 9 patents)

Roger E Beall (7 out of 7 patents)

Edward J Crook (7 out of 13 patents)

4. Paul A Boeckman (6 out of 6 patents)

5. Charles R Garrett (5 out of 5 patents)

6. Charles E Lucas (5 out of 7 patents)

7. Ernest E Lutter (4 out of 4 patents)

8. Peter VerBrugge (3 out of 5 patents)

9. Roger Ohman, Iii (3 out of 4 patents)

10. Stephan M Crow (3 out of 3 patents)

11. Alan C Doughty (3 out of 3 patents)

12. Jerry C Patton (3 out of 3 patents)

13. Floyd Hendrix (2 out of 2 patents)

14. Bradley Allen Beall (2 out of 2 patents)

15. William Michael Chandler (2 out of 2 patents)

Core Competencies:

Detachable Connector

Lifting Clamp

Positive Locking Latch

Swivel Hoist Ring

Wire Rope

Shackle Pin

Wedge Socket

Hydraulic Load Binder

Snatch Block

Hoisting Line Fittings

Master Link

Flexible RFID Housing

53 patents: Sort by Forward Citations

1. 12234887 - High fatigue life detachable connector (2025-02-25),

2. 11945694 - Master link test fixture assembly (2024-04-02),

3. 11148911 - Positive locking latch assembly for hook (2021-10-19),

4. 10759633 - Rotating eye bolt assembly with lock mechanism (2020-09-01),

5. 10422411 - Synthetic rope termination (2019-09-24),

6. 10228008 - Shackle pin split nut assembly (2019-03-12),

7. 10214394 - Hook with latch and trigger mechanism assembly (2019-02-26),

8. 9903440 - Shackle with captured pin assembly (2018-02-27),

9. D746665 - Hook with articulating latch (2016-01-05),

10. 9206829 - Retaining pin assembly for a lifting system (2015-12-08),

11. 9003632 - Thimble mechanism for retention of a shackle in a wire loop termination (2015-04-14),

12. 8381363 - Securing mechanism for shackle (2013-02-26),

13. 8375527 - Actuated wedge socket assembly (2013-02-19),

14. D671921 - Flexible RFID housing (2012-12-04),

15. 8226139 - Lifting clamp (2012-07-24),

The Crosby Group, Inc. is a global leader in the design, manufacture, and marketing of a wide range of high-quality lifting and rigging products. With over 130 years of experience, Crosby is trusted by professionals in industries such as oil and gas, construction, mining, and transportation. They offer a comprehensive portfolio of products, including shackles, hooks, hoist rings, lifting clamps, and wire rope and chain fittings, all designed to meet the highest industry standards for safety and performance. Visit their website to explore their innovative solutions and find the right lifting and rigging products for your specific needs.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

The Crosby Group, Inc.

53 Patents

#11 in Tulsa, OK

#27 in Oklahoma

#6,661 in US

#13,309 in the World

Tulsa, OK, United States of America

The Crosby Group, Inc.

Forward Citations = 586

38 inventors:

Larry L Postelwait (9 out of 9 patents)

Roger E Beall (7 out of 7 patents)

Edward J Crook (7 out of 13 patents)

4. Paul A Boeckman (6 out of 6 patents)

5. Charles R Garrett (5 out of 5 patents)

Please report any incorrect information to [email protected]

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