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For the Inventor, By the Inventor

Houston, TX, United States of America

T-3 Property Holdings, Inc.


USPTO Granted Patents = 20



Trademarks = 2

Forward Citations = 443

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16 inventors (with patents filed for the assignee):

goldMedal Saurabh Kajaria (6 out of 29 patents)

silverMedal Douglas A Jahnke (6 out of 23 patents)

bronzeMedal Kendall Keene (5 out of 8 patents)

4.  Robert Steven Allen (3 out of 3 patents)

5.  David Earl Cain (3 out of 3 patents)

6.  Bashir M Koleilat (2 out of 4 patents)

7.  Robert Ripple (1 out of 4 patents)

8.  Michael A Lacheny (1 out of 1 patent)

9.  Wassee Syed (1 out of 1 patent)

10.  Marvin G Piwonka (1 out of 1 patent)

11.  Frank J Arriens, Jr (1 out of 4 patents)

12.  William L Godare (1 out of 1 patent)

13.  Sean Gresham (1 out of 1 patent)

14.  Jeremy David Cain (1 out of 1 patent)

15.  Gary R Schaeper (1 out of 14 patents)


20 patents:

1. 9506313 - Contoured ram bore on type U blowout preventer (2016-11-29),
2. 8813836 - Uni-bore dump line for fracturing manifold (2014-08-26),
3. 8656990 - Collection block with multi-directional flow inlets in oilfield applications (2014-02-25),
4. 8567513 - Hydraulic surface connector (2013-10-29),
5. 8496062 - Goat head type injection block for fracturing trees in oilfield applications (2013-07-30),
6. 8474521 - Modular skid system for manifolds (2013-07-02),
7. 8469108 - Adjustable support system for manifold to minimize vibration (2013-06-25),
8. 8444109 - Blowout preventer translating shaft locking system (2013-05-21),
9. 8443880 - Blowout preventer with shearing blades (2013-05-21),
10. 8443879 - Blowout preventer with shearing blades (2013-05-21),
11. 8402996 - Adjustable choke for oil and gas industry (2013-03-26),
12. 8297590 - Guided non-ported expanding gate valve and method (2012-10-30),
13. 8196649 - Thru diverter wellhead with direct connecting downhole control (2012-06-12),
14. 8167031 - Blowout preventer with shearing blades (2012-05-01),
15. 8162046 - Blowout preventer with shearing blades (2012-04-24),
T-3 PROPERTY HOLDINGS, INC. is a real estate company specializing in property management, investment, and development. With extensive experience and knowledge in the industry, we offer a wide range of services to our clients including acquisition, leasing, and property maintenance. Our dedicated team of professionals is committed to providing exceptional service and maximizing the value of our clients' investments.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

20 Patents

#257 in Houston, TX

#972 in Texas

#15,885 in US

#30,346 in the World

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Houston, TX, United States of America

T-3 Property Holdings, Inc.

Forward Citations = 443

16 inventors:

goldMedal Saurabh Kajaria (6 out of 29 patents)

silverMedal Douglas A Jahnke (6 out of 23 patents)

bronzeMedal Kendall Keene (5 out of 8 patents)

4.  Robert Steven Allen (3 out of 3 patents)

5.  David Earl Cain (3 out of 3 patents)

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