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For the Inventor, By the Inventor

Houston, TX, United States of America

Wwt International, Inc.


USPTO Granted Patents = 17

% Expired Patents = 41.2


Trademarks = 1

Forward Citations = 315

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11 inventors (with patents filed for the assignee):

goldMedal Norman Bruce Moore (6 out of 49 patents)

silverMedal Philip Wayne Mock (5 out of 12 patents)

bronzeMedal Rudolph Ernst Krueger, V (5 out of 25 patents)

4.  Duane Bloom (4 out of 36 patents)

5.  Sarah Mitchell (4 out of 10 patents)

6.  Garrett C Casassa (3 out of 3 patents)

7.  Rudolph Ernst Krueger, Iv (3 out of 6 patents)

8.  N Bruce Moore (3 out of 13 patents)

9.  Phillip W Mock (2 out of 4 patents)

10.  Robert Levay (1 out of 6 patents)

11.  Eric J O'Neal (1 out of 1 patent)

12.  Rudolph Ernst Krueger V (0 patent)

13.  V Rudolph Krueger (0 patent)


17 patents:

1. 8668007 - Non-rotating casing centralizer (2014-03-11),
2. 8555963 - Gripper assembly for downhole tools (2013-10-15),
3. 8511377 - Open hole non-rotating sleeve and assembly (2013-08-20),
4. 8485278 - Methods and apparatuses for inhibiting rotational misalignment of assemblies in expandable well tools (2013-07-16),
5. 8439129 - Anti-stall tool for downhole drilling assemblies (2013-05-14),
6. 8302679 - Expandable ramp gripper (2012-11-06),
7. 8245796 - Tractor with improved valve system (2012-08-21),
8. 8146680 - Anti-stall tool for downhole drilling assemblies (2012-04-03),
9. 8119047 - In-situ method of forming a non-rotating drill pipe protector assembly (2012-02-21),
10. 8069917 - Gripper assembly for downhole tools (2011-12-06),
11. 8061447 - Variable linkage assisted gripper (2011-11-22),
12. 8028766 - Electrically powered tractor (2011-10-04),
13. 7954563 - Roller link toggle gripper and downhole tractor (2011-06-07),
14. 7954562 - Expandable ramp gripper (2011-06-07),
15. 7938202 - Rotating drill pipe protector attachment and fastener assembly (2011-05-10),
Company Overview
WWT International, Inc. is a technology solutions provider based in Houston, Texas, specializing in advanced IT services and solutions. The company focuses on areas such as cloud computing, data analytics, and cybersecurity, delivering innovative strategies to enhance operational efficiency for its clients. WWT collaborates with various industries, leveraging its expertise to drive digital transformation and optimize technology investments, ensuring that organizations can navigate the complexities of the modern digital landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Wwt International, Inc. USPTO Patent Assignee Logo
17 Patents

#310 in Houston, TX

#1,149 in Texas

#18,894 in US

#35,918 in the World

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

Wwt International, Inc.

Forward Citations = 315

11 inventors:

goldMedal Norman Bruce Moore (6 out of 49 patents)

silverMedal Philip Wayne Mock (5 out of 12 patents)

bronzeMedal Rudolph Ernst Krueger, V (5 out of 25 patents)

4.  Duane Bloom (4 out of 36 patents)

5.  Sarah Mitchell (4 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wwt International, Inc.. Retrieved from https://idiyas.com/company/wwt-international

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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