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For the Inventor, By the Inventor

Salt Lake City, UT, United States of America

Longyear Tm, Inc.


USPTO Granted Patents = 144



Trademarks = 30

Forward Citations = 1,092

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76 inventors (with patents filed for the assignee):

goldMedal Christopher L Drenth (52 out of 75 patents)

silverMedal Michael D Rupp (37 out of 38 patents)

bronzeMedal Christian M Lambert (23 out of 23 patents)

4.  Cody A Pearce (18 out of 19 patents)

5.  Christof Kruse (12 out of 16 patents)

6.  Stefan Wrede (12 out of 12 patents)

7.  George Ibrahim (12 out of 12 patents)

8.  Kristian S Drivdahl (11 out of 12 patents)

9.  George Iondov (11 out of 11 patents)

10.  Anthony Lachance (8 out of 18 patents)

11.  Thomas J Oothoudt (8 out of 8 patents)

12.  K Shayne Drivdahl (7 out of 7 patents)

13.  Robert Eugene Able (7 out of 14 patents)

14.  Gordon Henderson Stewart (5 out of 14 patents)

15.  Hongyan Zhang (4 out of 23 patents)


Core Competencies:
Underground Drilling
Core Sample Analysis
Continuous Sampling Drill Bit
Reverse-Circulation Drilling
Wireless Data Acquisition
Core Barrel Assembly
Drilling Tools
High-Productivity Drill Bits
Diamond Impregnated Tools
Handling and Recovery Devices
Diverter Assemblies
Sonic Subsurface Material Removal

144 patents:

1. 11873714 - Underground drill rig and systems and methods of using same (2024-01-16),
2. 11790506 - Systems and methods for improved core sample analysis (2023-10-17),
3. 11746600 - Continuous sampling drill bit (2023-09-05),
4. 11713629 - Drill rod with internal fluid bypass porting (2023-08-01),
5. 11578552 - Reverse-circulation drilling assemblies and methods of using same (2023-02-14),
6. 11499410 - Devices, systems, and methods for wireless data acquisition during drilling operations (2022-11-15),
7. 11466529 - Core barrel head assembly with an integrated sample orientation tool and system for using same (2022-10-11),
8. 11268340 - Overshot assembly and systems and methods of using same (2022-03-08),
9. 10919726 - Wireline system and methods of using same (2021-02-16),
10. 10830013 - Core barrel head assembly with an integrated sample orientation tool and system for using same (2020-11-10),
11. 10702975 - Drilling tools having matrices with carbide-forming alloys, and methods of making and using same (2020-07-07),
12. 10633943 - Braking devices for drilling operations, and systems and methods of using same (2020-04-28),
13. 10626684 - Handling and recovery devices for tubular members and associated methods (2020-04-21),
14. 10465463 - Core barrel head assembly with an integrated sample orientation tool and system for using same (2019-11-05),
15. 10384907 - Wireline system and methods of using same (2019-08-20),
Longyear TM, Inc. is a leading technology company specializing in the development and production of innovative software solutions. With a diverse portfolio of cutting-edge products, we cater to a wide range of industries including finance, healthcare, and manufacturing. Our team of skilled professionals is committed to delivering state-of-the-art technology solutions that streamline businesses and empower organizations to thrive in the digital era.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

144 Patents

#5 in Salt Lake City, UT

#21 in Utah

#2,626 in US

#5,515 in the World

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Salt Lake City, UT, United States of America

Longyear Tm, Inc.

Forward Citations = 1,092

76 inventors:

goldMedal Christopher L Drenth (52 out of 75 patents)

silverMedal Michael D Rupp (37 out of 38 patents)

bronzeMedal Christian M Lambert (23 out of 23 patents)

4.  Cody A Pearce (18 out of 19 patents)

5.  Christof Kruse (12 out of 16 patents)

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