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For the Inventor, By the Inventor

Houston, TX, United States of America

Worldwide Oilfield Machine, Inc.

Calculating rank
USPTO Granted Patents = 21

% Expired Patents = 4.8


Trademarks = 7

Forward Citations = 550

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13 inventors (with patents filed for the assignee):

goldMedal Alagarsamy Sundararajan (9 out of 35 patents)

silverMedal Prashant N Akhare (5 out of 7 patents)

bronzeMedal Tom McCreadie (3 out of 6 patents)

4.  William W Lanning (3 out of 3 patents)

5.  Dennis D George (1 out of 3 patents)

6.  Reddi Udaya Bhaskara Rao (1 out of 5 patents)

7.  Ninad Ashok Oak (1 out of 2 patents)

8.  Robert Earl Maki (1 out of 2 patents)

9.  John Paul Ribeyre (1 out of 1 patent)

10.  Robert Eric Maki (1 out of 1 patent)

11.  D Sudhir Puranik (1 out of 1 patent)

12.  Frank W Meyer, Jr (1 out of 1 patent)

13.  Rahul Patil (1 out of 1 patent)

14.  Tom Mccreadie (0 patent)


21 patents:

1. 12435595 - BOP piston booster and bonnet assembly (2025-10-07),
2. 12404735 - Forged bop internal cavity profile for workover rigs (2025-09-02),
3. 12146512 - Two port hydraulic ram operation with locking/unlocking method (2024-11-19),
4. 12098601 - Weldless drilling diverter adapter (2024-09-24),
5. D1006593 - Ram packer (2023-12-05),
6. 10060548 - Torque reducer for high-pressure gate valves (2018-08-28),
7. 10030784 - Ball valve tertiary seal assembly and method (2018-07-24),
8. 9732576 - Compact cutting system and method (2017-08-15),
9. 9010727 - Valve stem assembly for rotary valve and method (2015-04-21),
10. 8714263 - Lightweight and compact subsea intervention package and method (2014-05-06),
11. 8490949 - Valve stem assembly for rotary valve and method (2013-07-23),
12. 8205890 - Resilient high pressure metal-to-metal seal and method (2012-06-26),
13. 7578349 - Lightweight and compact subsea intervention package and method (2009-08-25),
14. 7040408 - Flowhead and method (2006-05-09),
15. 6966537 - Valve with seat assembly (2005-11-22),
Company Overview
Worldwide Oilfield Machine, Inc. is a prominent provider of equipment and services for the oil and gas industry, specializing in the design and manufacture of high-performance valves, wellhead systems, and other critical components. The company focuses on delivering innovative solutions that enhance operational efficiency and safety in exploration and production activities. Headquartered in Houston, Texas, it serves a global clientele, leveraging advanced engineering and technology to meet the evolving demands of the energy sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

21 Patents

#250 in Houston, TX

#927 in Texas

#15,719 in US

#30,018 in the World

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

Worldwide Oilfield Machine, Inc.

Forward Citations = 550

13 inventors:

goldMedal Alagarsamy Sundararajan (9 out of 35 patents)

silverMedal Prashant N Akhare (5 out of 7 patents)

bronzeMedal Tom McCreadie (3 out of 6 patents)

4.  William W Lanning (3 out of 3 patents)

5.  Dennis D George (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Worldwide Oilfield Machine, Inc.. Retrieved from https://idiyas.com/company/worldwide-oilfield-machine

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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