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Canadian Downhole Drill Systems Inc.

USPTO Granted Patents = 11

Forward Citations = 288

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13 inventors (with patents filed for the assignee):

David P Kutinsky (7 out of 9 patents)

Paul Noe (3 out of 4 patents)

Leonardo Ritorto (2 out of 2 patents)

4. Raymond Dean Livingstone (2 out of 3 patents)

5. Winston Smith (1 out of 2 patents)

6. Robert Roszak (1 out of 1 patent)

7. Darren L Stang (1 out of 11 patents)

8. Perry E Massner (1 out of 1 patent)

9. Ray Livingstone (1 out of 1 patent)

10. Raymond S Livingston (1 out of 1 patent)

11. Murray Wilson (1 out of 1 patent)

12. Raymond Samuel Livingstone (1 out of 1 patent)

13. Dave L Heinley (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 6595303 - Rotary steerable drilling tool (2003-07-22),

2. 6378630 - Locking swivel device (2002-04-30),

3. 6263986 - Hydraulic drilling jar (2001-07-24),

4. 6145602 - Downhole tool catcher and method (2000-11-14),

5. 6073707 - Downhole sub with kick pad for directional drilling (2000-06-13),

6. 5971078 - Method and apparatus for retrieving downhole tools (1999-10-26),

7. 5664891 - Downhole bearing assembly which accommodates compressive and tensile (1997-09-09),

8. 5638910 - Downhole sub for directional drilling (1997-06-17),

9. 5495901 - Surface adjustable adjustable bent housing (1996-03-05),

10. 5248204 - Short stack bearing assembly (1993-09-28),

11. 5000723 - Universal joint for downhole motors (1991-03-19),

Canadian Downhole Drill Systems Inc. is a leading provider of drilling equipment and services for the mining and oil & gas industries. With over 20 years of experience, we offer innovative solutions for all types of drilling projects. Our products are known for their reliability, efficiency, and durability, making us a trusted partner for our clients around the world.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

11 Patents

#167 in

#1,322 in Canada

#50,190 in the World

Canadian Downhole Drill Systems Inc.

Forward Citations = 288

13 inventors:

David P Kutinsky (7 out of 9 patents)

Paul Noe (3 out of 4 patents)

Leonardo Ritorto (2 out of 2 patents)

4. Raymond Dean Livingstone (2 out of 3 patents)

5. Winston Smith (1 out of 2 patents)

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