For the Inventor, By the Inventor

Enter assignee name

Houston, TX, United States of America

Letourneau Technologies, Inc.

USPTO Granted Patents = 2

% Expired Patents = 50.0

Trademarks = 4

Forward Citations = 10

Loading Chart...

Loading Chart...

6 inventors (with patents filed for the assignee):

Ronald A Johnston (1 out of 22 patents)

Rick Pilgrim (1 out of 7 patents)

Dwight Baker (1 out of 5 patents)

4. Nelson L Stoldt (1 out of 2 patents)

5. Paul K Schufeldt (1 out of 2 patents)

6. Peter J Bradley (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. 8955602 - System and methods for continuous and near continuous drilling (2015-02-17),

2. 7318580 - Vehicle for materials handling and other industrial uses (2008-01-15),

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#1,541 in Houston, TX

#6,293 in Texas

#94,730 in US

Houston, TX, United States of America

Letourneau Technologies, Inc.

Forward Citations = 10

6 inventors:

Ronald A Johnston (1 out of 22 patents)

Rick Pilgrim (1 out of 7 patents)

Dwight Baker (1 out of 5 patents)

4. Nelson L Stoldt (1 out of 2 patents)

5. Paul K Schufeldt (1 out of 2 patents)

Please report any incorrect information to [email protected]

Loading…