For the Inventor, By the Inventor

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Salt Lake City, UT, United States of America

Longyear Company

USPTO Granted Patents = 18

Trademarks = 1

Forward Citations = 516

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20 inventors (with patents filed for the assignee):

Ronald B Anderson (4 out of 4 patents)

Walter W Svendsen (3 out of 3 patents)

Terrence L Thompson (2 out of 6 patents)

4. Ivor N Paech (2 out of 3 patents)

5. Gary H Beckley (2 out of 4 patents)

6. Clifford Caneer, Jr (2 out of 2 patents)

7. Joseph E Rousseau (1 out of 1 patent)

8. Christopher A James (1 out of 1 patent)

9. Kevin J Lee (1 out of 1 patent)

10. Simon J Harrison (1 out of 2 patents)

11. Phillip L Myers (1 out of 3 patents)

12. Stephen B Adkins, Sr (1 out of 1 patent)

13. John Forrest Anderson (1 out of 1 patent)

14. Terrance C Maki (1 out of 1 patent)

15. John D Tucker (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 5404959 - Drill rig safety shutdown device (1995-04-11),

2. 5325930 - Overcenter toggle latch apparatus (1994-07-05),

3. 5267620 - Drilling latch apparatus (1993-12-07),

4. 5183366 - Rod handler apparatus (1993-02-02),

5. 5105687 - Built-in rack apparatus (1992-04-21),

6. 5040438 - Powered wrench apparatus (1991-08-20),

7. 5031708 - Cockable corebreaker apparatus (1991-07-16),

8. 4834198 - Positive latch wire line core barrel apparatus (1989-05-30),

9. 4823890 - Reverse circulation bit apparatus (1989-04-25),

10. 4800969 - Fast descent core barrel apparatus (1989-01-31),

11. 4375212 - Concrete sawing machine propulsion control apparatus (1983-03-01),

12. 4309922 - Rod break-out and make-up tool (1982-01-12),

13. 4297771 - Pivoting foot clamp and mounting frame (1981-11-03),

14. 4281725 - Knuckle joint spearhead core drilling apparatus (1981-08-04),

15. 4281722 - Retractable bit system (1981-08-04),

Longyear Company is a prominent provider of drilling solutions and equipment, specializing in the mining and mineral exploration sectors. With a focus on innovative technologies, the company develops advanced drilling systems and tools that enhance operational efficiency and safety in challenging environments. Headquartered in Salt Lake City, Utah, Longyear Company serves a global clientele, leveraging its expertise to support various geological and resource extraction projects across diverse geographical regions.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

18 Patents

#80 in Salt Lake City, UT

#206 in Utah

#17,933 in US

#34,146 in the World

Salt Lake City, UT, United States of America

Longyear Company

Forward Citations = 516

20 inventors:

Ronald B Anderson (4 out of 4 patents)

Walter W Svendsen (3 out of 3 patents)

Terrence L Thompson (2 out of 6 patents)

4. Ivor N Paech (2 out of 3 patents)

5. Gary H Beckley (2 out of 4 patents)

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