Petroleum Engineering Services Limited

Calculating rank

USPTO Granted Patents = 9

Forward Citations = 205

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9 inventors (with patents filed for the assignee):

Irvine Cardno Brown (2 out of 17 patents)

Richard P Rubbo (2 out of 6 patents)

Drummond Wilkinson Whiteford (2 out of 2 patents)

4. Stephen Reid (1 out of 25 patents)

5. Brett W Bouldin (1 out of 29 patents)

6. Sydney J Littleford (1 out of 1 patent)

7. James Crabb (1 out of 1 patent)

8. Stuart C Brown (1 out of 1 patent)

9. George Maitland (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 6321847 - Downhole pressure activated device and a method (2001-11-27),

2. 5904207 - Packer (1999-05-18),

3. 5865246 - Ball valves (1999-02-02),

4. 5862864 - Well safety system (1999-01-26),

5. 5664629 - Down-hole tools (1997-09-09),

6. 5636689 - Release/anti-preset mechanism for down-hole tools (1997-06-10),

7. 5535826 - Well-head structures (1996-07-16),

8. 5447202 - Setting tool and related method (1995-09-05),

9. 5441111 - Bridge plug (1995-08-15),

Company Overview

Petroleum Engineering Services Limited is a leading provider of engineering and consulting services to the oil and gas industry. With a team of experienced professionals, we offer a wide range of services including reservoir engineering, drilling engineering, production engineering, and more. Our commitment to excellence and innovation has earned us a reputation for delivering high-quality solutions to our clients worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#25 in Aberdeen

#1,904 in United Kingdom

Aberdeen, United Kingdom