Ji; Changzheng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ji; Changzheng.The latest application filed is for "method of making a thermally stable polycrystalline super hard construction".
- Ji; Changzheng - Oxfordshire GB
- JI; CHANGZHENG - DIDCOT GB
| Patent | Date |
|---|---|
| Method Of Making A Thermally Stable Polycrystalline Super Hard Construction App 20210323874 - Perkins; Neil ; et al. | 2021-10-21 |
| Polycrystalline Diamond Cutter Element And Earth Boring Tool App 20210246732 - SPITS; RAYMOND ANTHONY ; et al. | 2021-08-12 |
| Method Of Making A Thermally Stable Polycrystalline Super Hard Construction App 20200010371 - PERKINS; Neil ; et al. | 2020-01-09 |
| Superhard Constructions And Methods Of Making Same App 20190351487 - AMBURY; Rachael Fiona ; et al. | 2019-11-21 |
| Superhard Constructions And Methods Of Making Same App 20190344351 - AMBURY; Rachael Fiona ; et al. | 2019-11-14 |
| Superhard Constructions And Methods Of Making Same App 20190337857 - CAN; Nedret ; et al. | 2019-11-07 |
| Superhard Constructions And Methods Of Making Same App 20190337855 - CAN; Nedret ; et al. | 2019-11-07 |
| A Method Of Making A Thermally Stable Polycrystalline Super Hard Construction App 20170183267 - PERKINS; Neil ; et al. | 2017-06-29 |
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