Houston, TX, United States of America

Drilltec Patents & Technologies Corporation


USPTO Granted Patents = 2



Trademarks = 4

Forward Citations = 5

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13 inventors (with patents filed for the assignee):

goldMedal David W Clem (2 out of 6 patents)

silverMedal Yasuhiro Yamamoto (1 out of 122 patents)

bronzeMedal Bryan C Baker (1 out of 6 patents)

4 Jeffrey D Lendermon (1 out of 1 patent)

5 Shigeo Nagasaku (19 patents)

6 Yasuhiro Yamamoto (10 patents)

7 Nagasaku Shigeo (0 patent)

8 Yamamoto Yasuhiro (0 patent)


2 patents:

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USPTO Data Jan 1 1976 - Dec 2 2025

2 Patents

#1,502 in Houston, TX

#6,122 in Texas

#92,566 in US

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Houston, TX, United States of America
Forward Citations = 5

13 inventors:

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