For the Inventor, By the Inventor

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Bristol, VA, United States of America

Sandvik Rock Tools, Inc.

USPTO Granted Patents = 28

% Expired Patents = 10.7

CIPO Patents = 1

Forward Citations = 648

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32 inventors (with patents filed for the assignee):

Kenneth S Monyak (7 out of 33 patents)

Kent Peay (5 out of 6 patents)

Robert F Kane (5 out of 9 patents)

4. Faisal Yousef (4 out of 30 patents)

5. Timothy J Shean (4 out of 5 patents)

6. Raymond R Chervenak (3 out of 3 patents)

7. James J Paumier (2 out of 10 patents)

8. Jan Magnus Andersson (2 out of 5 patents)

9. Jo-Yu Chuang (2 out of 4 patents)

10. James F Meek (2 out of 2 patents)

11. Joel Ham (2 out of 3 patents)

12. David Mildren (2 out of 3 patents)

13. C Dempsey Holstein (2 out of 2 patents)

14. Ronald L Paxton (2 out of 3 patents)

15. David Alexander McCloskey (2 out of 2 patents)

28 patents: Sort by Forward Citations

1. 6702393 - Rotatable cutting bit and retainer sleeve therefor (2004-03-09),

2. 6634444 - Drill bit for trenchless drilling (2003-10-21),

3. 6601620 - Stump grinding bit and tip therefor (2003-08-05),

4. 6546977 - Stump grinding apparatus (2003-04-15),

5. 6454360 - Ground-working tools for use in power rakes (2002-09-24),

6. 6435434 - Striker bar for disintegrating breakable materials (2002-08-20),

7. 6382277 - Stump grinding wheel and cutting assemblies therefor (2002-05-07),

8. 6270165 - Cutting tool for breaking hard material, and a cutting cap therefor (2001-08-07),

9. 5996715 - Mine roof drill bit and cutting insert therefor (1999-12-07),

10. 5993116 - Filler-containing rock bolt anchoring system and method of preparation (1999-11-30),

11. 5934990 - Mine stopping (1999-08-10),

12. 5829540 - Mine roof drill bit and cutting insert therefor (1998-11-03),

13. 5436396 - Stabilizing compositions and methods for stabilizing subterranean (1995-07-25),

14. 5407021 - Down-the-hole hammer drill having reverse circulation (1995-04-18),

15. 5375672 - Mine roof drill bit and cutting insert therefor (1994-12-27),

Sandvik Rock Tools, Inc. specializes in the development and manufacturing of advanced rock drilling tools and equipment. The company focuses on providing innovative solutions for the mining and construction industries, enhancing productivity and safety in challenging environments. With a strong emphasis on research and technology, Sandvik Rock Tools is dedicated to improving drilling efficiency and performance through cutting-edge materials and engineering practices. Headquartered in Bristol, Virginia, it serves a global market with a commitment to quality and sustainability.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

28 Patents

#2 in Bristol, VA

#205 in Virginia

#11,997 in US

#23,244 in the World

Bristol, VA, United States of America

Sandvik Rock Tools, Inc.

Forward Citations = 648

32 inventors:

Kenneth S Monyak (7 out of 33 patents)

Kent Peay (5 out of 6 patents)

Robert F Kane (5 out of 9 patents)

4. Faisal Yousef (4 out of 30 patents)

5. Timothy J Shean (4 out of 5 patents)

Please report any incorrect information to [email protected]

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