For the Inventor, By the Inventor

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Houston, TX, United States of America

Mcevoy Oilfield Equipment Co.

USPTO Granted Patents = 15

Forward Citations = 395

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8 inventors (with patents filed for the assignee):

David P Herd (5 out of 11 patents)

Charles D Morrill (5 out of 16 patents)

John H Fowler (3 out of 11 patents)

4. James Vaull Bonds (3 out of 5 patents)

5. John W McCaskill (2 out of 3 patents)

6. Robert D Barnett (2 out of 2 patents)

7. John Beson (1 out of 15 patents)

8. Andre H Drouin (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 4272055 - Single double backseat (1981-06-09),

2. 4264054 - Metal-to-metal seat hub seals (1981-04-28),

3. 4229027 - Remote automatic make-up stab-in sealing system (1980-10-21),

4. 4228704 - Marine riser tool (1980-10-21),

5. 4185856 - Pipe joint with remotely operable latch (1980-01-29),

6. 4109942 - Seal (1978-08-29),

7. 4097069 - Marine riser connector (1978-06-27),

8. 4093030 - Run-in and tie back apparatus (1978-06-06),

9. 4053023 - Underwater well completion method and apparatus (1977-10-11),

10. 4046405 - Run-in and tie back apparatus (1977-09-06),

11. 4029294 - High pressure valve (1977-06-14),

12. 3974875 - Underwater well completion method and apparatus (1976-08-17),

13. 3971576 - Underwater well completion method and apparatus (1976-07-27),

14. 3965977 - Control line exiting coupling (1976-06-29),

15. 3948545 - Mechanically operated breech block (1976-04-06),

Mcevoy Oilfield Equipment Co. is a leading provider of oilfield equipment and services. With over 20 years of experience in the industry, we offer a wide range of products including drilling rigs, wellhead equipment, and completion tools. Our commitment to quality and customer satisfaction has made us a trusted partner for oil and gas companies around the world. Visit our website to learn more about our products and services.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

15 Patents

#340 in Houston, TX

#1,272 in Texas

#20,435 in US

#38,719 in the World

Houston, TX, United States of America

Mcevoy Oilfield Equipment Co.

Forward Citations = 395

8 inventors:

David P Herd (5 out of 11 patents)

Charles D Morrill (5 out of 16 patents)

John H Fowler (3 out of 11 patents)

4. James Vaull Bonds (3 out of 5 patents)

5. John W McCaskill (2 out of 3 patents)

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