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Tamrock Oy

USPTO Granted Patents = 37

CIPO Patents = 3

Forward Citations = 341

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45 inventors (with patents filed for the assignee):

Leo Hakkinen (4 out of 8 patents)

Pauli Lemmetty (3 out of 5 patents)

Pentti Enlund (3 out of 3 patents)

4. Heikki Rinnemaa (3 out of 3 patents)

5. Juha Piipponen (2 out of 17 patents)

6. Heikki Jantunen (2 out of 5 patents)

7. Ari Tuunanen (2 out of 4 patents)

8. Mauri Esko (2 out of 15 patents)

9. Aleksei Tschurbanoff (2 out of 4 patents)

10. Timo Muuttonen (2 out of 20 patents)

11. Timo T Laitinen (2 out of 12 patents)

12. Martti Muranen (2 out of 4 patents)

13. Kauko Juuri (2 out of 3 patents)

14. Ilkka Niemi (2 out of 5 patents)

15. Juhani Lappalainen (2 out of 3 patents)

37 patents: Sort by Forward Citations

1. 6186246 - Method for adjusting drilling of drilling machine and rock drill (2001-02-13),

2. 6170317 - Arrangement for detecting a need for maintaining a hydraulic breaking apparatus (2001-01-09),

3. 6158527 - Tool of a breaking apparatus (2000-12-12),

4. 6135484 - Tow bar construction for transport vehicles and transport vehicle (2000-10-24),

5. 6119837 - Method and arrangement for controlling cable winding and unwinding in an (2000-09-19),

6. 6105686 - Pressure accumulator arrangement in connection with a hydraulically (2000-08-22),

7. 6086088 - Axle construction for a vehicle (2000-07-11),

8. 6073706 - Hydraulically operated impact device (2000-06-13),

9. D420685 - Cockpit for a drilling machine (2000-02-15),

10. 6015112 - Arrangement for leading flexible elements to a rock drill, and a hose (2000-01-18),

11. 6012707 - Arrangement for controlling tension in a winch cable connected to rock (2000-01-11),

12. 6009957 - Arrangement in a feed beam of a rock drill (2000-01-04),

13. 5979291 - Hydraulically operated percussion hammer (1999-11-09),

14. 5934387 - Method for determining the position of a tool of a rock drill (1999-08-10),

15. 5896935 - Arrangement in boom for rock drilling unit (1999-04-27),

Tamrock Oy is a leading global supplier of mining and drilling equipment. With over 100 years of experience, we provide state-of-the-art solutions and services for the underground mining industry. Our extensive range of products includes rock drills, excavation tools, loaders, and drill rigs, designed to optimize productivity and safety. Visit our website to explore our innovative solutions and learn more about our commitment to delivering efficient and sustainable equipment for the mining sector.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

37 Patents

#5 in

#97 in Finland

#17,698 in the World

Tamrock Oy

Forward Citations = 341

45 inventors:

Leo Hakkinen (4 out of 8 patents)

Pauli Lemmetty (3 out of 5 patents)

Pentti Enlund (3 out of 3 patents)

4. Heikki Rinnemaa (3 out of 3 patents)

5. Juha Piipponen (2 out of 17 patents)

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