Patents
Tetra Tech is constantly innovating, investing in research and development, and protecting its intellectual property.
Tetra Tech has been issued the following patents relating to railroad track and vehicle inspection. In addition, Tetra Tech has multiple patents pending in the United States and other countries.
| Patent Number | Patent Title | Priority Filing Date | Patent Issue Date | Country |
|---|---|---|---|---|
| 9,618,335 | Light Emission Power Control Apparatus and Method | 19-Jan-2015 | 11-Apr-2017 | United States |
| 9,950,720 | Light Emission Power Control Apparatus and Method | 19-Jan-2015 | 24-Apr-2018 | United States |
| 9,860,962 | Light Emission Power Control Apparatus and Method | 19-Jan-2015 | 2-Jan-2018 | United States |
| 10,349,491 | Light Emission Power Control Apparatus and Method | 19-Jan-2015 | 9-Jul-2019 | United States |
| 10,728,988 | Light Emission Power Control Apparatus and Method | 19-Jan-2015 | 28-Jul-2020 | United States |
| 2,893,017 | Light Emission Power Control Apparatus and Method | 19-Jan-2015 | 24-Mar-2020 | Canada |
| 2,989,773 | Light Emission Power Control Apparatus and Method | 19-Jan-2015 | 12-Apr-2022 | Canada |
| 9,849,894 | Protective Shroud for Enveloping Light from a Light Emitter for Mapping of a Railway Track | 19-Jan-2015 | 26-Dec-2017 | United States |
| 10,384,697 | Protective Shroud for Enveloping Light from a Light Emitter for Mapping of a Railway Track | 19-Jan-2015 | 20-Aug-2019 | United States |
| 2,892,952 | Protective Shroud | 19-Jan-2015 | 15-Oct-2019 | Canada |
| 9,849,895 | Sensor Synchronization Apparatus and Method | 19-Jan-2015 | 26-Dec-2017 | United States |
| 10,322,734 | Sensor Synchronization Apparatus and Method | 19-Jan-2015 | 18-Jun-2019 | United States |
| 2,893,007 | Sensor Synchronization Apparatus and Method | 19-Jan-2015 | 28-Apr-2020 | Canada |
| 10,362,293 | 3D Track Assessment System and Method | 20-Feb-2015 | 23-Jul-2019 | United States |
| 2,892,885 | 3D Track Assessment System and Method | 20-Feb-2015 | 28-Jul-2020 | Canada |
| 10,582,187 | 3D Track Assessment Method | 20-Feb-2015 | 3-Mar-2020 | United States |
| 11,259,007 | 3D Track Assessment Method | 20-Feb-2015 | 22-Feb-2022 | United States |
| 11,196,981 | 3D Track Assessment Apparatus and Method | 20-Feb-2015 | 7-Dec-2021 | United States |
| 10,616,556 | 3D Track Assessment Method | 20-Feb-2015 | 7-Apr-2020 | United States |
| 10,616,557 | 3D Track Assessment Method | 20-Feb-2015 | 7-Apr-2020 | United States |
| 10,616,558 | 3D Track Assessment Method | 20-Feb-2015 | 7-Apr-2020 | United States |
| 10,582,187 | 3D Track Assessment Method | 20-Feb-2015 | 3-Mar-2020 | United States |
| 11,399,172 | 3D Track Assessment Method | 20-Feb-2015 | 26-Jul-2022 | United States |
| 10,625,760 | Apparatus and Method for Calculating Wooden Crosstie Plate Cut Measurements and Rail Seat Abrasion Measurements Based on Rail Head Height | 01-Jun-2018 | 21-Apr-2020 | United States |
| 2,018,425,917 | Apparatus and Method for Calculating Wooden Crosstie Plate Cut Measurements and Rail Seat Abrasion Measurements Based on Rail Head Height | 01-Jun-2018 | 9-Dec-2023 | Australia |
| 10,730,538 | Apparatus and Method for Calculating Plate Cut and Rail Seat Abrasion Based on Measurements Only of Rail Head Elevation and Crosstie Surface Elevation | 01-Jun-2018 | 4-Aug-2020 | United States |
| 3,062,356 | Apparatus and Method for Calculating Plate Cut and Rail Seat Abrasion Based on Measurements Only of Rail Head Elevation and Crosstie Surface Elevation | 22-Nov-2019 | 12-Mar-2024 | Canada |
| 10,807,623 | Apparatus and Method for Gathering Data from Sensors Oriented at an Oblique Angle Relative to a Railway Track | 01-Jun-2018 | 20-Oct-2020 | United States |
| 10,870,441 | Apparatus and Method for Gathering Data from Sensors Oriented at an Oblique Angle Relative to a Railway Track | 01-Jun-2018 | 22-Dec-2020 | United States |
| 11,560,165 | Apparatus and Method for Gathering Data from Sensors Oriented at an Oblique Angle Relative to a Railway Track | 1-Jun-2018 | 24-Jan-2023 | United States |
| 11,919,551 | Apparatus and Method for Gathering Data from Sensors Oriented at an Oblique Angle Relative to a Railway Track | 1-Jun-2018 | 5-Mar-2024 | United States |
| 11,305,799 | 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 | 01-Jun-2018 | 19-Apr-2022 | United States |
| 10,435,052 | Broken Wheel Detection System | 22-Feb-2017 | 8-Oct-2019 | United States |
| 10,723,373 | Broken Wheel Detection System | 22-Feb-2017 | 28-Jul-2020 | United States |
| 11,142,230 | Broken Wheel Detection System | 22-Feb-2017 | 12-Oct-2021 | United States |
| 2,018,224,073 | Broken Wheel Detection System | 22-Feb-2017 | 22-Oct-2020 | Australia |
| 10,908,291 | System and Method for Generating and Interpreting Point Clouds of a Rail Corridor Along a Survey Path | 16-May-2019 | 19-Nov-2020 | United States |
| 11,169,269 | System and Method for Generating and Interpreting Point Clouds of a Rail Corridor Along a Survey Path | 22-Oct-2020 | 9-Nov-2021 | United States |
| 3,130,198 | System and Method for Generating and Interpreting Point Clouds of a Rail Corridor Along a Survey Path | 18-May-2020 | 17-May-2022 | Canada |
| 11,377,130 | Autonomous Track Assessment System | 18-May-2022 | 5-Jul-2022 | United States |