Kong; Xiangdi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kong; Xiangdi.The latest application filed is for "method for assessing safety integrity level of offshore oil well control equipment".
- Kong; Xiangdi - Qingdao CN
| Patent | Date |
|---|---|
| Method and system for guaranteeing safety of offshore oil well control equipment Grant 11,346,200 - Cai , et al. May 31, 2 | 2022-05-31 |
| Method for assessing safety integrity level of offshore oil well control equipment Grant 11,243,509 - Cai , et al. February 8, 2 | 2022-02-08 |
| Method And System For Guaranteeing Safety Of Offshore Oil Well Control Equipment App 20200370408 - CAI; Baoping ; et al. | 2020-11-26 |
| Method For Assessing Safety Integrity Level Of Offshore Oil Well Control Equipment App 20200371490 - CAI; Baoping ; et al. | 2020-11-26 |
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