Xu; Hongqi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Xu; Hongqi.The latest application filed is for "method for assessing safety integrity level of offshore oil well control equipment".

Company Profile

5.3.5

Xu; Hongqi - Hebei CN
XU; Hongqi - Lund SE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

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
Fully-electrically driven downhole safety valve Grant 10,989,019 - Cai , et al. April 27, 2	2021-04-27
Fully-electrically Driven Downhole Safety Valve App 20200370394 - CAI; Baoping ; et al.	2020-11-26
Method And System For Guaranteeing Safety Of Offshore Oil Well Control Equipment App 20200370408 - CAI; Baoping ; et al.	2020-11-26
Method And System For Evaluating Macro Resilience Of Offshore Oil Well Control Equipment App 20200370429 - 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
Apparatus And Method For Measuring The Dimensions Of 1-dimensional And 0-dimensional Nanostructures In Real-time During Epitaxial Growth App 20140038315 - ANTTU; Nicklas ; et al.	2014-02-06

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