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For the Inventor, By the Inventor

Pasadena, CA, United States of America

Tetra Tech, Inc.


USPTO Granted Patents = 42

% Expired Patents = 4.8



Trademarks = 24

Forward Citations = 664

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18 inventors (with patents filed for the assignee):

goldMedal Darel Mesher (31 out of 31 patents)

silverMedal Mark Torresani (2 out of 3 patents)

bronzeMedal Kyle Kneser (2 out of 2 patents)

4.  Paul Kemp (2 out of 2 patents)

5.  Cory Williams (2 out of 2 patents)

6.  Henri Hodara (2 out of 4 patents)

7.  Charles S Slemon (2 out of 24 patents)

8.  Steven W Braun (2 out of 2 patents)

9.  Mark Karmelich (1 out of 1 patent)

10.  Paul Dunholter (1 out of 2 patents)

11.  Paul Ziegler (1 out of 1 patent)

12.  Madhukant Patel (1 out of 1 patent)

13.  Mikael L Spangberg (1 out of 1 patent)

14.  Ronald Britto (1 out of 1 patent)

15.  Richard W Arnseth (1 out of 1 patent)


Core Competencies:
Railway Track Assessment
Point Cloud Generation
Autonomous Track Assessment
Wind Turbine Foundation
Broken Wheel Detection
Light Emission Control
Sensor Synchronization
Vertical Manhole Access
Debris Deflection
Chemical Soil Treatment
Optical Electronic Connector
Quick-Release Fiber-Optic Connector

42 patents:

1. 11919551 - Apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track (2024-03-05),
2. 11782160 - System and method for generating and interpreting point clouds of a rail corridor along a survey path (2023-10-10),
3. 11560165 - Apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track (2023-01-24),
4. 11399172 - 3D track assessment apparatus and method (2022-07-26),
5. 11377130 - Autonomous track assessment system (2022-07-05),
6. 11305799 - Debris deflection and removal method for an apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track (2022-04-19),
7. 11269957 - Method for creating a data input file for increasing the efficiency of the aviation environmental design tool (AEDT) (2022-03-08),
8. 11259007 - 3D track assessment method (2022-02-22),
9. 11196981 - 3D track assessment apparatus and method (2021-12-07),
10. 11169269 - System and method for generating and interpreting point clouds of a rail corridor along a survey path (2021-11-09),
11. 11142230 - Broken wheel detection system (2021-10-12),
12. 11131074 - Vertical manhole apparatus and method for providing access to leachate collection pipes in a landfill (2021-09-28),
13. 10968894 - Wind turbine foundation and method of constructing a wind turbine foundation (2021-04-06),
14. 10908291 - System and method for generating and interpreting point clouds of a rail corridor along a survey path (2021-02-02),
15. 10870441 - Apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track (2020-12-22),
Tetra Tech, Inc. is a leading provider of consulting and engineering services. They specialize in areas such as water, environment, infrastructure, resource management, energy, and international development. With a diverse team of experts, Tetra Tech delivers innovative solutions to complex challenges worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Tetra Tech, Inc.
42 Patents

#11 in Pasadena, CA

#1,935 in California

#8,239 in US

#16,301 in the World

Pasadena, CA (US)
Pasadena, CA, United States of America

Tetra Tech, Inc.

Forward Citations = 664

18 inventors:

goldMedal Darel Mesher (31 out of 31 patents)

silverMedal Mark Torresani (2 out of 3 patents)

bronzeMedal Kyle Kneser (2 out of 2 patents)

4.  Paul Kemp (2 out of 2 patents)

5.  Cory Williams (2 out of 2 patents)

Please report any incorrect information to [email protected]
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