For the Inventor, By the Inventor

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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):

John D Norwood (7 out of 9 patents)

Richard F Lukay (7 out of 8 patents)

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: Sort by Forward Citations

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),

OFI Testing Equipment, Inc. is a leading provider of testing equipment for the oil and gas industry. With over 30 years of experience, the company offers a wide range of instruments for evaluating drilling fluids, cement, and concrete. Their products are known for their accuracy, reliability, and durability, making them a trusted choice for professionals in the industry. Visit their website for more information and to browse their catalog.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Ofi Testing Equipment, Inc.

16 Patents

#325 in Houston, TX

#1,211 in Texas

#19,874 in US

#37,717 in the World

Houston, TX, United States of America

Ofi Testing Equipment, Inc.

Forward Citations = 189

12 inventors:

John D Norwood (7 out of 9 patents)

Richard F Lukay (7 out of 8 patents)

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)

Please report any incorrect information to [email protected]

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