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Calgary, Canada

Ncs Multistage Inc.

USPTO Granted Patents = 70

CIPO Patents = 9

EPO Patents = 11

Trademarks = 13

Forward Citations = 175

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46 inventors (with patents filed for the assignee):

John E Ravensbergen (31 out of 51 patents)

Michael Werries (24 out of 22 patents)

Brock Gillis (18 out of 18 patents)

4. Tim Johnson (16 out of 16 patents)

5. Marty Stromquist (15 out of 25 patents)

6. Donald Getzlaf (14 out of 25 patents)

7. Don Getzlaf (14 out of 14 patents)

8. Lyle Laun (12 out of 19 patents)

9. Timothy Johnson (10 out of 13 patents)

10. Juan Montero (8 out of 8 patents)

11. David Devlin (6 out of 12 patents)

12. Travis Harris (6 out of 7 patents)

13. Masoud Kalantari (6 out of 10 patents)

14. Ramin Tajallipour (5 out of 5 patents)

15. Douglas Braden (5 out of 5 patents)

Core Competencies:

Downhole Valve Assembly

Hydrocarbon Recovery

Fluid Pressure-Activated Valves

Multi-Valve Assemblies

Casing Float Tool

Fracturing Valve

Flow Control Apparatus

Subterranean Formation

In Situ Injection

Adjustable Flow Restriction

Wireless Control of Well Bore Equipment

Solids Control

70 patents: Sort by Forward Citations

1. 12492612 - Rupture disc assembly (2025-12-09),

2. 12480381 - Downhole valve assembly (2025-11-25),

3. 12473798 - Valve assemblies for high-temperature wells (2025-11-18),

4. 12442280 - In situ injection or production via a well using selective operation of multi-valve assemblies with choked configurations (2025-10-14),

5. 12410679 - Fluid pressure-activated valve assembly with flow restriction and systems and methods for in situ operations (2025-09-09),

6. 12404743 - Rupture disc assembly (2025-09-02),

7. 12371969 - Downhole flow controller (2025-07-29),

8. 12104461 - Asynchronous frac-to-frac operations for hydrocarbon recovery and valve systems (2024-10-01),

9. 12091936 - Rupture disc assembly (2024-09-17),

10. 12060772 - Systems and methods for producing hydrocarbon material from or injecting fluid into a subterranean formation using adjustable flow restriction (2024-08-13),

11. 11959370 - Convertible tracer valve assemblies and related methods for fracturing and tracing (2024-04-16),

12. 11927075 - Bottomhole assembly (2024-03-12),

13. 11920445 - Well injection and production methods, apparatus and systems (2024-03-05),

14. 11867025 - Downhole flow controller (2024-01-09),

15. 11821292 - Apparatuses, systems and methods for hydrocarbon material from a subterranean formation using a displacement process (2023-11-21),

NCS Multistage Inc. is a leading provider of innovative products and services for oil and gas well completions and stimulation. They develop advanced technologies to optimize well performance and improve operational efficiency in the upstream oil and gas industry. With a focus on multi-stage fracturing systems, NCS Multistage offers a wide range of downhole tools, equipment, and services to enhance reservoir productivity. Their customer base includes major oil and gas operators worldwide. Visit their website to learn more about their solutions and how they are leading the way in well completions technology.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

70 Patents

#10 in Calgary

#165 in Canada

#10,205 in the World

Calgary, Canada

Ncs Multistage Inc.

Forward Citations = 175

46 inventors:

John E Ravensbergen (31 out of 51 patents)

Michael Werries (24 out of 22 patents)

Brock Gillis (18 out of 18 patents)

4. Tim Johnson (16 out of 16 patents)

5. Marty Stromquist (15 out of 25 patents)

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