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Dallas, TX, United States of America

Otis Engineering Corporation

USPTO Granted Patents = 461

CIPO Patents = 1

Trademarks = 12

Forward Citations = 11,044

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255 inventors (with patents filed for the assignee):

Imre I Gazda (19 out of 34 patents)

John C Gano (18 out of 154 patents)

Carter R Young (17 out of 17 patents)

4. John V Fredd (17 out of 19 patents)

5. John R Setterberg, Jr (16 out of 16 patents)

6. Thomas M Deaton (16 out of 32 patents)

7. Phillip S Sizer (15 out of 18 patents)

8. Henry P Arendt (15 out of 16 patents)

9. John H Yonker (14 out of 21 patents)

10. William W Dollison (13 out of 16 patents)

11. Ernest P Fisher, Jr (12 out of 12 patents)

12. Colby M Ross (11 out of 61 patents)

13. Donald H Perkins (10 out of 18 patents)

14. Mark A Schnatzmeyer (10 out of 20 patents)

15. Russell I Bayh, Iii (10 out of 14 patents)

Core Competencies:

Downhole Equipment

Safety Valves

Gravel Packing

Reeled Tubing

Flow Control

Gas Lift

Production Methods

Packer Systems

Inspection Systems

Subsurface Valves

Well Control

Hydraulic Systems

461 patents: Sort by Forward Citations

1. 5419188 - Reeled tubing support for downhole equipment module (1995-05-30),

2. 5314026 - Landing nipple (1994-05-24),

3. 5293551 - Monitor and control circuit for electric surface controlled subsurface (1994-03-08),

4. 5275038 - Downhole reeled tubing inspection system with fiberoptic cable (1994-01-04),

5. 5253705 - Hostile environment packer system (1993-10-19),

6. 5249630 - Perforating type lockout tool (1993-10-05),

7. 5244046 - Coiled tubing drilling and service unit and method for oil and gas wells (1993-09-14),

8. 5244044 - Catcher sub (1993-09-14),

9. 5226483 - Safety valve landing nipple and method (1993-07-13),

10. 5224545 - Eccentrically actuated perforating guns (1993-07-06),

11. 5219025 - Method and apparatus for gravel packing a well through a tubing string (1993-06-15),

12. 5211241 - Variable flow sliding sleeve valve and positioning shifting tool therefor (1993-05-18),

13. 5211226 - Metal-to-metal seal for oil well tubing string (1993-05-18),

14. 5205355 - Subsurface safety valves and method and apparatus for their operation (1993-04-27),

15. 5203410 - Blowout safety system for snubbing equipment (1993-04-20),

Otis Engineering Corporation, based in Dallas, TX, specializes in the development and manufacturing of advanced downhole equipment tailored for the oil and gas industry. The company focuses on a range of core technologies including safety valves, gravel packing systems, reeled tubing, and flow control solutions. With a commitment to enhancing production methods and optimizing packer systems, Otis Engineering plays a pivotal role in improving operational efficiency and safety in downhole operations.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

461 Patents

#5 in Dallas, TX

#63 in Texas

#1,042 in US

#2,064 in the World

Dallas, TX, United States of America

Otis Engineering Corporation

Forward Citations = 11,044

255 inventors:

Imre I Gazda (19 out of 34 patents)

John C Gano (18 out of 154 patents)

Carter R Young (17 out of 17 patents)

4. John V Fredd (17 out of 19 patents)

5. John R Setterberg, Jr (16 out of 16 patents)

Please report any incorrect information to [email protected]

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