For the Inventor, By the Inventor

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Houston, TX, United States of America

Sperry-Sun, Inc.

USPTO Granted Patents = 17

Forward Citations = 392

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15 inventors (with patents filed for the assignee):

Octavio A Vela (4 out of 4 patents)

Miles A Smither (3 out of 16 patents)

Preston E Chaney (2 out of 5 patents)

4. Alfred J Tricon (2 out of 3 patents)

5. Elbert N Shawhan (2 out of 3 patents)

6. Billy W McArthur (2 out of 3 patents)

7. Joshua M Jackson (2 out of 6 patents)

8. H Eugene Sharp (2 out of 3 patents)

9. Michael King Russell (1 out of 5 patents)

10. Leroy E Weaver (1 out of 1 patent)

11. Edwin L Meador (1 out of 1 patent)

12. E Neil Shawhan (1 out of 1 patent)

13. Mils A Smither (1 out of 1 patent)

14. William H Cox (1 out of 1 patent)

15. Anthony W Russell (1 out of 21 patents)

17 patents: Sort by Forward Citations

1. 4505155 - Borehole pressure measuring system (1985-03-19),

2. 4484785 - Tubing protector (1984-11-27),

3. 4320473 - Borehole acoustic telemetry clock synchronization system (1982-03-16),

4. 4298970 - Borehole acoustic telemetry system synchronous detector (1981-11-03),

5. 4293937 - Borehole acoustic telemetry system (1981-10-06),

6. 4293936 - Telemetry system (1981-10-06),

7. 4254481 - Borehole telemetry system automatic gain control (1981-03-03),

8. 4200297 - Side entry clamp and packoff (1980-04-29),

9. 4171578 - Borehole tool (1979-10-23),

10. 4156229 - Bit identification system for borehole acoustical telemetry system (1979-05-22),

11. 4139836 - Wellbore instrument hanger (1979-02-13),

12. 4083117 - All angle borehole tool (1978-04-11),

13. 4069591 - Elastomeric inclinometer (1978-01-24),

14. 4019148 - Lock-in noise rejection circuit (1977-04-19),

15. 4010642 - Borehole pressure measurement (1977-03-08),

Sperry-Sun, Inc. is a leading provider of drilling and measurement technologies, specializing in advanced solutions for the oil and gas industry. Headquartered in Houston, Texas, the company focuses on developing innovative tools and services that enhance drilling efficiency and accuracy. With a strong emphasis on research and development, Sperry-Sun leverages cutting-edge technologies to improve wellbore placement and reduce operational risks, contributing to the overall advancement of drilling practices in the energy sector.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

17 Patents

#309 in Houston, TX

#1,148 in Texas

#18,881 in US

#35,887 in the World

Houston, TX, United States of America

Sperry-Sun, Inc.

Forward Citations = 392

15 inventors:

Octavio A Vela (4 out of 4 patents)

Miles A Smither (3 out of 16 patents)

Preston E Chaney (2 out of 5 patents)

4. Alfred J Tricon (2 out of 3 patents)

5. Elbert N Shawhan (2 out of 3 patents)

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