CIPO Patents = 7

Trademarks = 6

Forward Citations = 292

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9 inventors (with patents filed for the assignee):

Robert Eugene Able (3 out of 14 patents)

John C Marshall (2 out of 2 patents)

John Thomas Stephens (1 out of 1 patent)

4. Michael O Attwater (1 out of 1 patent)

5. Patrick Joseph Langan (1 out of 1 patent)

6. Daniel H Morin (1 out of 1 patent)

7. Radoie Novacovicci (1 out of 1 patent)

8. Christopher L Drenth (1 out of 1 patent)

9. Christopher L Drenth (0 patent)

9 patents: Sort by Forward Citations

1. 6719303 - Drill string chuck (2004-04-13),

2. 6564885 - Up-hole overshot and safety drilling apparatus (2003-05-20),

3. 6425449 - Up-hole pump-in core barrel apparatus (2002-07-30),

4. 6371205 - Bore hole grouting apparatus and method (2002-04-16),

5. 6109373 - Cable overshot apparatus (2000-08-29),

6. 6089335 - Positive latch core barrel apparatus (2000-07-18),

7. 6029758 - Retractable core barrel valving apparatus (2000-02-29),

8. 5934393 - Core barrel apparatus (1999-08-10),

9. 5788401 - Rod joint (1998-08-04),

Boart Longyear is a leading provider of drilling services, drilling equipment, and performance tooling for mining and drilling companies worldwide. With a legacy of over 130 years in the industry, Boart Longyear offers innovative solutions to help clients achieve their drilling objectives efficiently and safely.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

9 Patents

#158 in Salt Lake City, UT

#394 in Utah

#31,603 in US

Salt Lake City, UT, United States of America

Boart Longyear International Holdings, Inc.