For the Inventor, By the Inventor

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Pasadena, CA, United States of America

Tetra Tech, Inc.

USPTO Granted Patents = 42

% Expired Patents = 4.8

CIPO Patents = 1

EPO Patents = 1

Trademarks = 24

Forward Citations = 664

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18 inventors (with patents filed for the assignee):

Darel Mesher (31 out of 31 patents)

Mark Torresani (2 out of 3 patents)

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:

3D Track Assessment

Railway Track

Data Gathering

Point Clouds

Autonomous Systems

Wind Turbine Foundations

Sensor Synchronization

Broken Wheel Detection

Environmental Design

Debris Removal

Light Emission Control

Optical Connectors

42 patents: Sort by Forward Citations

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),

Company Overview

Tetra Tech, Inc. is a leading provider of consulting and engineering services, specializing in innovative solutions for infrastructure and environmental projects. Headquartered in Pasadena, California, the company focuses on advanced technologies in railway track assessment, point cloud generation, and autonomous track assessment. Tetra Tech also develops expertise in wind turbine foundations, broken wheel detection, and sensor synchronization, contributing to enhanced safety and efficiency in transportation and energy sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

42 Patents

#11 in Pasadena, CA

#1,940 in California

#8,253 in US

#16,338 in the World

Pasadena, CA, United States of America

Tetra Tech, Inc.

Forward Citations = 664

18 inventors:

Darel Mesher (31 out of 31 patents)

Mark Torresani (2 out of 3 patents)

Kyle Kneser (2 out of 2 patents)

4. Paul Kemp (2 out of 2 patents)

5. Cory Williams (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tetra Tech, Inc.. Retrieved from https://idiyas.com/company/tetra-tech

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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