For the Inventor, By the Inventor

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Houston, TX, United States of America

Dennis Tool Company

USPTO Granted Patents = 19

Forward Citations = 1,154

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10 inventors (with patents filed for the assignee):

Mahlon D Dennis (13 out of 46 patents)

Thomas M Dennis (8 out of 13 patents)

Eric Michael Twardowski (3 out of 18 patents)

4. Dinesh K Agrawal (2 out of 14 patents)

5. Rustum N Roy (2 out of 21 patents)

6. Paul D Gigl (2 out of 2 patents)

7. Mark Hunt (1 out of 48 patents)

8. Jiping Cheng (1 out of 7 patents)

9. Gordon Collier (1 out of 1 patent)

10. Barton Hampshire (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 8602133 - Tool with welded cemented metal carbide inserts welded to steel and/or cemented metal carbide (2013-12-10),

2. 7712549 - Drilling tool (2010-05-11),

3. 6500226 - Method and apparatus for fabrication of cobalt alloy composite inserts (2002-12-31),

4. 6213931 - Stump grinding tooth (2001-04-10),

5. 6126895 - Process and apparatus for the preparation of particulate or solid parts (2000-10-03),

6. 6066290 - Method and apparatus for transporting green work pieces through a (2000-05-23),

7. 6063333 - Method and apparatus for fabrication of cobalt alloy composite inserts (2000-05-16),

8. 5816347 - PDC clad drill bit insert (1998-10-06),

9. 5641921 - Low temperature, low pressure, ductile, bonded cermet for enhanced (1997-06-24),

10. 5566779 - Insert for a drill bit incorporating a PDC layer having extended side (1996-10-22),

11. 5544713 - Cutting element for drill bits (1996-08-13),

12. 5524719 - Internally reinforced polycrystalling abrasive insert (1996-06-11),

13. 5499688 - PDC insert featuring side spiral wear pads (1996-03-19),

14. 5498081 - Bearing assembly incorporating shield ring precluding erosion (1996-03-12),

15. 5477034 - Method and apparatus for bonding PDC blanks (1995-12-19),

Dennis Tool Company is a leading provider of industrial tools and equipment. With a wide range of products including power tools, hand tools, and accessories, we strive to meet the needs of professionals and DIY enthusiasts alike. Our mission is to provide high-quality tools at competitive prices, backed by exceptional customer service. Visit our website to explore our catalog and find the perfect tools for your next project.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

19 Patents

#279 in Houston, TX

#1,030 in Texas

#16,627 in US

#31,713 in the World

Houston, TX, United States of America

Dennis Tool Company

Forward Citations = 1,154

10 inventors:

Mahlon D Dennis (13 out of 46 patents)

Thomas M Dennis (8 out of 13 patents)

Eric Michael Twardowski (3 out of 18 patents)

4. Dinesh K Agrawal (2 out of 14 patents)

5. Rustum N Roy (2 out of 21 patents)

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