Chen; Patrick Chien
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chen; Patrick Chien.The latest application filed is for "pipe coupling with pipe connection rings".
- Chen; Patrick Chien - North Kingstown RI
| Patent | Date |
|---|---|
| Pipe couplings Grant 11,378,208 - Ohnemus , et al. July 5, 2 | 2022-07-05 |
| Pipe Coupling With Pipe Connection Rings App 20220042627 - Ohnemus; Gregory Nicholas Stagliano ; et al. | 2022-02-10 |
| Pipe coupling with pipe connection rings Grant 11,181,213 - Ohnemus , et al. November 23, 2 | 2021-11-23 |
| Pipe Coupling With Pipe Connection Rings App 20200224803 - Ohnemus; Gregory Nicholas Stagliano ; et al. | 2020-07-16 |
| Pipe coupling with closed ring Grant 10,641,419 - Ohnemus , et al. | 2020-05-05 |
| Pipe Coupling With Closed Ring App 20180163906 - Ohnemus; Gregory Nicholas Stagliano ; et al. | 2018-06-14 |
| Pipe Couplings App 20180163905 - Ohnemus; Gregory Nicholas Stagliano ; et al. | 2018-06-14 |
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