PetroChina Company Limited
Patents, Design & Utilities
Last updated:
List of all PetroChina Company Limited patents 153 in total
| Status | Patent |
|---|---|
Application | Utility: METHOD FOR OBTAINING CONVERSION RELATIONSHIP BETWEEN DYNAMIC AND STATIC ELASTIC PARAMETERS Filling date: 8 Sep 2025 Issue date: 29 Aug 2019 |
Application | Utility: Olefin Coordination Polymerization Catalyst and Use Thereof Filling date: 8 Sep 2025 Issue date: 15 Aug 2019 |
Application | Utility: LAYERED WATER INJECTION SYSTEM AND LAYERED WATER INJECTION METHOD Filling date: 8 Sep 2025 Issue date: 8 Aug 2019 |
Showing 150 to 153 of 153 patents.