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Calgary, Canada

Kobold Corporation

USPTO Granted Patents = 27

CIPO Patents = 3

Trademarks = 2

Forward Citations = 69

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14 inventors (with patents filed for the assignee):

Per Angman (22 out of 65 patents)

Mark Andreychuk (21 out of 32 patents)

Allan Petrella (14 out of 15 patents)

4. Spencer J Fillmore (5 out of 5 patents)

5. Christopher M Lee (5 out of 5 patents)

6. David Christopher Parks (3 out of 20 patents)

7. Matthew Brown (3 out of 10 patents)

8. Robert K Fairbanks (3 out of 3 patents)

9. Wayne T Lamoreaux (3 out of 3 patents)

10. Kevin Graf (2 out of 2 patents)

11. Chris Baudistel (2 out of 2 patents)

12. Vitaliy Shpak (1 out of 4 patents)

13. Scott Sherman (1 out of 18 patents)

14. Sean Goodwin (1 out of 4 patents)

27 patents: Sort by Forward Citations

1. 12338709 - Multi-position sleeve assembly, systems, and methods for use in a wellbore (2025-06-24),

2. 12060756 - Coupled downhole shifting and treatment tools and methodology for completion and production operations (2024-08-13),

3. 11365606 - Downhole sleeve assembly and sleeve actuator therefor (2022-06-21),

4. 11346169 - Sleeve valves, shifting tools and methods for wellbore completion operations therewith (2022-05-31),

5. 11319802 - Downhole operations using remote operated sleeves and apparatus therefor (2022-05-03),

6. 11261682 - Mode selector for a downhole tool (2022-03-01),

7. 11215048 - System and method for monitoring and controlling fluid flow (2022-01-04),

8. 11208871 - Apparatus, systems and methods for completion operations (2021-12-28),

9. 10975642 - Shifting tool for a downhole tool (2021-04-13),

10. 10961808 - Tension release packer for a bottomhole assembly and methods of use (2021-03-30),

11. 10871054 - Closeable sleeve assembly and method of use (2020-12-22),

12. 10704383 - Downhole operations using remote operated sleeves and apparatus therefor (2020-07-07),

13. 10662750 - Methods and electrically-actuated apparatus for wellbore operations (2020-05-26),

14. 10605061 - Bottom hole assembly for wellbore completion (2020-03-31),

15. 10605045 - Downhole tool having a shock-absorbing sleeve (2020-03-31),

KOBOLD CORPORATION is a leading global provider of innovative industrial measurement and control solutions. With over 70 years of experience, we specialize in developing precision instruments for fluid flow, level, pressure, temperature, and analytical measurement. Our state-of-the-art products are utilized in a wide range of industries including oil and gas, water treatment, chemical processing, and power generation. Visit our website to explore our comprehensive range of products and solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

27 Patents

#32 in Calgary

#494 in Canada

#23,316 in the World

Calgary, Canada

Kobold Corporation

Forward Citations = 69

14 inventors:

Per Angman (22 out of 65 patents)

Mark Andreychuk (21 out of 32 patents)

Allan Petrella (14 out of 15 patents)

4. Spencer J Fillmore (5 out of 5 patents)

5. Christopher M Lee (5 out of 5 patents)

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