For the Inventor, By the Inventor

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Tulsa, OK, United States of America

The Crosby Group, Inc.

USPTO Granted Patents = 53

CIPO Patents = 2

EPO Patents = 13

Trademarks = 73

Forward Citations = 577

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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 Connectors

Lock Mechanisms

Synthetic Rope Termination

Lifting Clamps

Hoisting Devices

Swivel Hardware

Hydraulic Load Binders

Web Sling Couplers

Wedge Socket Assemblies

Inspection Training Systems

Industrial Swivels

Snatch Block Hooks

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.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

53 Patents

#11 in Tulsa, OK

#24 in Oklahoma

#6,445 in US

#12,944 in the World

Tulsa, OK, United States of America

The Crosby Group, Inc.

Forward Citations = 577

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)

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