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For the Inventor, By the Inventor

New Orleans, LA, United States of America

Mcdermott Incorporated


USPTO Granted Patents = 19

Trademarks = 6

Forward Citations = 148

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21 inventors (with patents filed for the assignee):

goldMedal James Allan Haney (3 out of 15 patents)

silverMedal Dennis E Calkins (3 out of 7 patents)

bronzeMedal Gary E Harrison (2 out of 2 patents)

4.  William L Green (2 out of 2 patents)

5.  Michael J LeGlue (2 out of 2 patents)

6.  Derek T Fern (2 out of 2 patents)

7.  Jan Illakowicz (2 out of 3 patents)

8.  John A Hey (1 out of 14 patents)

9.  Robert E Howson (1 out of 3 patents)

10.  Jesse R Wilkins (1 out of 4 patents)

11.  Stephen A Will (1 out of 2 patents)

12.  Nico DEBoer (1 out of 3 patents)

13.  Billy W Williams (1 out of 1 patent)

14.  Daniel W Gray (1 out of 1 patent)

15.  Edward A Landers, Jr (1 out of 1 patent)


19 patents:

1. 4822221 - Internal flash removal unit (1989-04-18),
2. 4775265 - Removable closure device (1988-10-04),
3. 4765776 - Convertible barge (1988-08-23),
4. 4721286 - Split block for extended travel (1988-01-26),
5. 4717353 - Docking head and plate (1988-01-05),
6. 4705430 - Composite leg platform (1987-11-10),
7. 4675473 - Flexible conductor for welding (1987-06-23),
8. 4594871 - Reel type continuous marine pipe laying system (1986-06-17),
9. 4506867 - Jacking apparatus having a fast repositioning stroke (1985-03-26),
10. 4498811 - Underwater pipeline sealing apparatus (1985-02-12),
11. 4497594 - Offshore structure and method of sinking same (1985-02-05),
12. 4484559 - Apparatus for removing material such as concrete from underwater (1984-11-27),
13. 4478389 - Jacking apparatus adjustable for alignment variations (1984-10-23),
14. 4446977 - Roller support for load handling devices (1984-05-08),
15. 4422799 - Method for installing submarine pipelines using a marine railway system (1983-12-27),
Company Overview
McDermott Incorporated is a leading engineering and construction firm specializing in the energy sector. The company provides comprehensive solutions for the design, construction, and operation of complex infrastructure projects, particularly in oil and gas, petrochemicals, and renewable energy. With a strong presence in the global market, McDermott leverages advanced technologies and innovative methodologies to deliver efficient and sustainable project outcomes, enhancing operational performance for clients worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

19 Patents

#7 in New Orleans, LA

#45 in Louisiana

#17,150 in US

#32,693 in the World

New Orleans, LA (US)
New Orleans, LA, United States of America

Mcdermott Incorporated

Forward Citations = 148

21 inventors:

goldMedal James Allan Haney (3 out of 15 patents)

silverMedal Dennis E Calkins (3 out of 7 patents)

bronzeMedal Gary E Harrison (2 out of 2 patents)

4.  William L Green (2 out of 2 patents)

5.  Michael J LeGlue (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mcdermott Incorporated. Retrieved from https://idiyas.com/company/mcdermott

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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