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Long Beach, CA, United States of America

Bj-Hughes Inc.

USPTO Granted Patents = 34

Forward Citations = 647

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29 inventors (with patents filed for the assignee):

Loren B Sheldon (6 out of 8 patents)

James R Tomashek (4 out of 9 patents)

Donald H Ward (3 out of 9 patents)

4. Robert R Kelly (3 out of 11 patents)

5. Richard G Gandy (3 out of 5 patents)

6. Felix Kuus (3 out of 3 patents)

7. Faustyn C Langowski (3 out of 8 patents)

8. Gerald C Eckmann (3 out of 3 patents)

9. Edward J McFadden (2 out of 3 patents)

10. John T Work (2 out of 2 patents)

11. Randy S Baker (2 out of 3 patents)

12. Phillip H Manderscheid (1 out of 8 patents)

13. Terry E Stuckey (1 out of 1 patent)

14. William Mercer Burstall (1 out of 1 patent)

15. James A Howard (1 out of 2 patents)

34 patents: Sort by Forward Citations

1. 4381034 - Zero free water cement composition and method (1983-04-26),

2. 4361940 - Slip-type elevator locking mechanism (1982-12-07),

3. 4351116 - Apparatus for making multiple orientation measurements in a drill string (1982-09-28),

4. 4345864 - Pipe manipulator (1982-08-24),

5. 4345653 - Packer deflate subassembly for an inflatable packer system (1982-08-24),

6. 4345648 - Inflatable packer system (1982-08-24),

7. 4333209 - Rotary power slips (1982-06-08),

8. 4332619 - Expansive admixture (1982-06-01),

9. 4332298 - Valve assembly for an inflatable packer system (1982-06-01),

10. 4328038 - Resin coated aluminum (1982-05-04),

11. 4327261 - Apparatus for sensing a distended location on a drill pipe (1982-04-27),

12. 4320803 - Valve retrieval mechanism for an inflatable packer system (1982-03-23),

13. 4316504 - Check/relief valve for an inflatable packer system (1982-02-23),

14. 4304433 - Pipe gripping head (1981-12-08),

15. 4275788 - Method of plugging a well (1981-06-30),

Bj-hughes Inc. is a global technology company specializing in the development and manufacturing of advanced electronic components. With over 30 years of industry experience, we deliver innovative solutions that empower our clients to succeed in the rapidly evolving digital landscape. Our dedicated team of engineers and technicians work tirelessly to design and produce high-quality electronic components that meet the highest standards of reliability and performance. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

34 Patents

#6 in Long Beach, CA

#2,374 in California

#9,991 in US

#19,594 in the World

Long Beach, CA, United States of America

Bj-Hughes Inc.

Forward Citations = 647

29 inventors:

Loren B Sheldon (6 out of 8 patents)

James R Tomashek (4 out of 9 patents)

Donald H Ward (3 out of 9 patents)

4. Robert R Kelly (3 out of 11 patents)

5. Richard G Gandy (3 out of 5 patents)

Please report any incorrect information to [email protected]

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