| 12252198 |
Modular pipe traversing apparatus |
Bryan R. Duerfeldt, Conner S. George, Jakob R. Salazar, Curtis Woods Belknap, Gail P. Murray |
2025-03-18 |
| 12038395 |
Radiography inspection and fail-safe mechanism for pipe traversing robots |
Bryan R. Duerfeldt, Conner S. George, Dianna D. Liu |
2024-07-16 |
| 11826916 |
Pipe traversing apparatus, sensing, and controls |
Bryan R. Duerfeldt, Conner S. George, Hassan Zargarzadeh, Dianna D. Liu |
2023-11-28 |
| 11754514 |
Radiography inspection and fail-safe mechanism for pipe traversing robots |
Bryan R. Duerfeldt, Conner S. George, Dianna D. Liu |
2023-09-12 |
| 11732832 |
Pipe traversing apparatus and methods |
Bryan R. Duerfeldt, Dianna D. Liu, Gary Van Deursen, Timothy D. Foldy-Porto |
2023-08-22 |
| 11154989 |
Pipe traversing apparatus, sensing, and controls |
Bryan R. Duerfeldt, Conner S. George, Hassan Zargarzadeh, Dianna D. Liu |
2021-10-26 |
| 10914417 |
Pipe traversing apparatus and methods |
Bryan R. Duerfeldt, Dianna D. Liu, Gary Van Deursen, Timothy D. Foldy-Porto |
2021-02-09 |
| 10465835 |
Pipe traversing apparatus and methods |
Bryan R. Duerfeldt, Dianna D. Liu, Gary Van Deursen, Timothy D. Foldy-Porto |
2019-11-05 |