Janocko; David Jeffrey
Patent Applications and Registrations
Patent applications and USPTO patent grants for Janocko; David Jeffrey.The latest application filed is for "backup seals in rotary pumps".
- Janocko; David Jeffrey - Pittsburgh PA
| Patent | Date |
|---|---|
| Backup seals in rotary pumps Grant 10,294,952 - Janocko , et al. | 2019-05-21 |
| Backup Seals In Rotary Pumps App 20140161589 - Janocko; David Jeffrey ; et al. | 2014-06-12 |
| Backup seals in rotary pumps Grant 8,690,534 - Janocko , et al. April 8, 2 | 2014-04-08 |
| Flow restricting devices in pumps App 20070172367 - Janocko; David Jeffrey | 2007-07-26 |
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