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For the Inventor, By the Inventor

Houston, TX, United States of America

Ofi Testing Equipment, Inc.


USPTO Granted Patents = 16

Trademarks = 5

Forward Citations = 189

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12 inventors (with patents filed for the assignee):

goldMedal John D Norwood (7 out of 9 patents)

silverMedal Richard F Lukay (7 out of 8 patents)

bronzeMedal Adam G Olson (3 out of 3 patents)

4.  Virgilio Go Boncan (3 out of 3 patents)

5.  Kevin C Madsen (3 out of 3 patents)

6.  Royce E Schroeder (3 out of 3 patents)

7.  Doanh Ba Ho (2 out of 2 patents)

8.  Jarod Hammar (2 out of 2 patents)

9.  Brigido Salgado (1 out of 1 patent)

10.  Grafton Montgomery (1 out of 1 patent)

11.  Guadalupe Hernandez Serafin (1 out of 1 patent)

12.  David H Hoffman (1 out of 12 patents)


16 patents:

1. 11018613 - Mixing device power system and method (2021-05-25),
2. 10794892 - Multi-purpose tube for oil well cement testing (2020-10-06),
3. 10686396 - Mixing device power system and method (2020-06-16),
4. 10656064 - Quantifying force management system for pressurized fluid density balance (2020-05-19),
5. 10359355 - High temperature fluid sample aging cell (2019-07-23),
6. 10203318 - Multi-purpose tube for oil well cement testing (2019-02-12),
7. 9863858 - Heating and cooling jacket for test cell (2018-01-09),
8. 9784667 - High temperature fluid sample aging cell (2017-10-10),
9. 9612232 - Static gel strength measurement apparatus and method (2017-04-04),
10. 9375715 - HTHP pressure relief tool (2016-06-28),
11. 8949067 - Device and method for measuring material volume changes (2015-02-03),
12. 8739609 - Test sample heating apparatus and method (2014-06-03),
13. 6776028 - Induction sensor viscometer (2004-08-17),
14. 5152184 - Thermal test liner apparatus and method (1992-10-06),
15. 4805443 - Pressure vessel for testing fluid samples (1989-02-21),
Company Overview
Ofi Testing Equipment, Inc. is a prominent provider of advanced testing solutions, specializing in the development and manufacturing of equipment for various industries, including oil and gas, petrochemical, and materials testing. The company focuses on delivering high-quality instruments that ensure compliance with industry standards and enhance operational efficiency. Based in Houston, Texas, Ofi Testing Equipment is committed to innovation and excellence, supporting clients with reliable tools for accurate testing and analysis.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Ofi Testing Equipment, Inc. USPTO Patent Assignee Logo
16 Patents

#326 in Houston, TX

#1,216 in Texas

#19,922 in US

#37,831 in the World

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

Ofi Testing Equipment, Inc.

Forward Citations = 189

12 inventors:

goldMedal John D Norwood (7 out of 9 patents)

silverMedal Richard F Lukay (7 out of 8 patents)

bronzeMedal Adam G Olson (3 out of 3 patents)

4.  Virgilio Go Boncan (3 out of 3 patents)

5.  Kevin C Madsen (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ofi Testing Equipment, Inc.. Retrieved from https://idiyas.com/company/ofi-testing-equipment

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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