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Solon, OH, United States of America

The Robbins Company

USPTO Granted Patents = 41

CIPO Patents = 4

EPO Patents = 3

Forward Citations = 494

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45 inventors (with patents filed for the assignee):

Carl E Lenaburg (8 out of 8 patents)

David B Sugden (6 out of 17 patents)

Richard J Robbins (5 out of 5 patents)

4. Llewellan Anderson (4 out of 8 patents)

5. David T Cass (4 out of 5 patents)

6. John Turner (4 out of 7 patents)

7. Thomas C Whitehouse (3 out of 3 patents)

8. Tyman H Fikse (3 out of 12 patents)

9. Ross D Galbraith (2 out of 2 patents)

10. Stephen M Smading (2 out of 2 patents)

11. Aaron J Shanahan (2 out of 2 patents)

12. Brian B Khalighi (2 out of 2 patents)

13. Peter B Dowden (2 out of 2 patents)

14. Hans A Adami (2 out of 2 patents)

15. Carlo Grandori (2 out of 2 patents)

41 patents: Sort by Forward Citations

1. 10539017 - Cutter housing with field-replaceable seats (2020-01-21),

2. 10480318 - Cutter housing with inline mounting (2019-11-19),

3. 10208597 - Cutter disc with set back teeth for tunnel boring machine (2019-02-19),

4. 10018042 - Clamped-ring cutter assembly for tunnel boring machine (2018-07-10),

5. 9845677 - Cutter assembly with inline mounting (2017-12-19),

6. 9010872 - Tunnel boring machine with cutterhead support assembly supporting a variable number of drive systems (2015-04-21),

7. 8783786 - Cutter assembly for tunnel boring machine with pressure compensation (2014-07-22),

8. 8172334 - Apparatus and method for monitoring tunnel boring efficiency (2012-05-08),

9. 7832960 - All-conditions tunnel boring machine (2010-11-16),

10. 6955232 - Equipment for drilling vertical boreholes (2005-10-18),

11. 6390287 - Self-adjusting carrying idler assembly (2002-05-21),

12. 5429198 - Down reaming apparatus having hydraulically controlled stabilizer (1995-07-04),

13. 5370194 - Drive head assembly for drilling machine (1994-12-06),

14. 5325932 - Down reaming apparatus (1994-07-05),

15. 5308150 - Down reaming apparatus (1994-05-03),

The Robbins Company is a leading manufacturer of tunnel boring machines (TBMs) and related equipment for the underground construction industry. With over 60 years of experience, they have a strong global presence and have successfully completed numerous projects worldwide. The company is known for its innovative technology, exceptional quality, and reliable performance. They offer a wide range of TBMs designed for various geological conditions and project requirements. The Robbins Company is committed to providing cutting-edge solutions that enable their clients to successfully complete complex tunneling projects efficiently.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

41 Patents

#8 in Solon, OH

#339 in Ohio

#8,156 in US

#16,191 in the World

Solon, OH, United States of America

The Robbins Company

Forward Citations = 494

45 inventors:

Carl E Lenaburg (8 out of 8 patents)

David B Sugden (6 out of 17 patents)

Richard J Robbins (5 out of 5 patents)

4. Llewellan Anderson (4 out of 8 patents)

5. David T Cass (4 out of 5 patents)

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