Oertle; Donald H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Oertle; Donald H..The latest application filed is for "crack detection by electrical resistance".
- Oertle; Donald H. - Ponca City OK
| Patent | Date |
|---|---|
| Crack detection by electrical resistance Grant 4,503,710 - Oertle , et al. March 12, 1 | 1985-03-12 |
| Acoustic emission for detection and monitoring of crack initiation and propagation in materials Grant 4,297,885 - Hein, Jr. , et al. November 3, 1 | 1981-11-03 |
| Method of preventing corrosion of joints of steel structures submerged in corrosive media Grant 4,143,540 - Peterson , et al. March 13, 1 | 1979-03-13 |
| Method of detecting corrosion at interface of concrete and reinforcing steel using a hydrogen probe imbedded in the concrete Grant 4,139,814 - Radd , et al. February 13, 1 | 1979-02-13 |
| Electrolytic cell and process for electrolyzing sodium sulfate Grant 3,907,654 - Radd , et al. September 23, 1 | 1975-09-23 |
| Electrical connector Grant 3,904,264 - Oertle September 9, 1 | 1975-09-09 |
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