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For the Inventor, By the Inventor

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):

goldMedal Ronald B Anderson (4 out of 4 patents)

silverMedal Walter W Svendsen (3 out of 3 patents)

bronzeMedal 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:

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),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

18 Patents

#80 in Salt Lake City, UT

#207 in Utah

#17,974 in US

#34,244 in the World

Salt Lake City, UT (US)
Salt Lake City, UT, United States of America

Longyear Company

Forward Citations = 516

20 inventors:

goldMedal Ronald B Anderson (4 out of 4 patents)

silverMedal Walter W Svendsen (3 out of 3 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Longyear Company. Retrieved from https://idiyas.com/company/longyear-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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