Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12172200 | Automated cleaning methods for internal cavities of pressure instruments | Nathan Ransom, Robert T. Welther | 2024-12-24 |
| 12104965 | Dry well temperature calibrators, cooling systems, and methods | Terry C. Lew, Nathan Ransom, Guy Soffer | 2024-10-01 |
| 11913439 | Multi-fluid precision calibration pressure source | Robert T. Welther | 2024-02-27 |
| 11446716 | Automated cleaning system for internal cavities of pressure instruments | Nathan Ransom, Robert T. Welther | 2022-09-20 |
| 10385835 | Multi-fluid precision calibration pressure source | Robert T. Welther | 2019-08-20 |
| 9309898 | Multi-fluid precision calibration pressure source | Robert T. Welther | 2016-04-12 |
| 5090685 | Method and apparatus for securing a sheet material to a rotating vacuum drum using a sealing strip | Haim Danon | 1992-02-25 |