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For the Inventor, By the Inventor

Houston, TX, United States of America

Rowan Companies, Inc.


USPTO Granted Patents = 13

% Expired Patents = 30.8


Forward Citations = 69

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16 inventors (with patents filed for the assignee):

goldMedal Agung Atus Sundia (5 out of 5 patents)

silverMedal Richard Norton (4 out of 4 patents)

bronzeMedal Daniel F McNease (3 out of 3 patents)

4.  Michael James Dowdy (2 out of 2 patents)

5.  Martin Tindle (2 out of 3 patents)

6.  Nicholas Blake Scholz (2 out of 3 patents)

7.  Brian Patrick Garrett (2 out of 3 patents)

8.  Hong Yuan Hsu (1 out of 1 patent)

9.  Jose H Vazquez (1 out of 8 patents)

10.  Richard Hopkins (1 out of 1 patent)

11.  Frankie Derek Necaise (1 out of 1 patent)

12.  Robert A Keller (1 out of 1 patent)

13.  C R Palmer (1 out of 1 patent)

14.  Michael D Moody (1 out of 1 patent)

15.  Charles W Yeargain (1 out of 1 patent)


13 patents:

1. 12038302 - Personnel location monitoring (2024-07-16),
2. 11763111 - System and method for locating personnel at muster station on offshore unit (2023-09-19),
3. 11157710 - System and method for monitoring operations and personnel in designated areas on offshore unit (2021-10-26),
4. 10920389 - Multi-stage coming off location technology (2021-02-16),
5. 10654692 - System and method for remote crane operations on offshore unit (2020-05-19),
6. 10635111 - Dynamic positioning of mobile offshore drilling unit (2020-04-28),
7. 10337258 - Dual operational rig (2019-07-02),
8. 10309181 - Riser fluid handling system (2019-06-04),
9. 9803443 - Riser fluid handling system (2017-10-31),
10. 5419657 - Method and apparatus for transferring a structure from a jack-up rig to (1995-05-30),
11. 5388930 - Method and apparatus for transporting and using a drilling apparatus or (1995-02-14),
12. 5290128 - Method and apparatus for transferring a drilling apparatus from a (1994-03-01),
13. 4916999 - Offshore launching system (1990-04-17),
Company Overview
Rowan Companies, Inc. is a prominent provider of offshore drilling services, specializing in the development and operation of advanced drilling rigs. The company focuses on delivering innovative solutions for the oil and gas industry, emphasizing safety, efficiency, and environmental stewardship. With a strong presence in the Gulf of Mexico and international markets, Rowan leverages cutting-edge technology and engineering expertise to meet the evolving demands of energy exploration and production.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Rowan Companies, Inc. USPTO Patent Assignee Logo
13 Patents

#389 in Houston, TX

#1,486 in Texas

#23,815 in US

#44,988 in the World

Houston, TX (US)
Houston, TX, United States of America

Rowan Companies, Inc.

Forward Citations = 69

16 inventors:

goldMedal Agung Atus Sundia (5 out of 5 patents)

silverMedal Richard Norton (4 out of 4 patents)

bronzeMedal Daniel F McNease (3 out of 3 patents)

4.  Michael James Dowdy (2 out of 2 patents)

5.  Martin Tindle (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rowan Companies, Inc.. Retrieved from https://idiyas.com/company/rowan-companies

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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