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 = 514

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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 leading global provider of drilling services and products for the mining and mineral exploration industries. With over 125 years of experience, Longyear is known for its innovative drilling technologies, equipment, and expertise in challenging environments. The company's commitment to safety, efficiency, and sustainability has earned Longyear a reputation for top quality service and solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

18 Patents

#82 in Salt Lake City, UT

#197 in Utah

#17,390 in US

#33,168 in the World

Salt Lake City, UT, United States of America

Longyear Company

Forward Citations = 514

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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