Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11054077 | Systems, compositions and methods for curing leakages in pipes | Samuel Perstnev, Boris Natapov, Reonald Ukhanov | 2021-07-06 |
| 11009171 | Systems, compositions and methods for curing leakages in pipes | Samuel Perstnev, Boris Natapov, Reonald Ukhanov | 2021-05-18 |
| 11009173 | Method for sealing pipelines using a gel pig | Samuel Perstnev, Boris Natapov, Reonald Ukhanov, Peter Paz | 2021-05-18 |
| 11009175 | Systems and method for sealing pipelines using a gel pig | Samuel Perstnev, Boris Natapov, Reonald Ukhanov, Peter Paz | 2021-05-18 |
| 10302235 | Systems and method for sealing pipelines using a gel pig | Samuel Perstnev, Boris Natapov, Reonald Ukhanov, Peter Paz | 2019-05-28 |
| 10302236 | Method for sealing pipelines using a gel pig | Samuel Perstnev, Boris Natapov, Reonald Ukhanov, Peter Paz | 2019-05-28 |
| 10288206 | Systems, compositions, and methods for curing leakages in pipes | Samuel Perstnev, Boris Natapov, Reonald Ukhanov | 2019-05-14 |
| 6057378 | Process for improving the thermal insulation of heat insulating articles | Samuel Perstnev | 2000-05-02 |
| 6024541 | Hydraulic axial piston pumps | Samuel Perstnev | 2000-02-15 |
| 5934338 | Heat insulating covering and method | Samuel Perstnev | 1999-08-10 |