Liu; Yonghong

Patent Applications and Registrations

Patent applications and USPTO patent grants for Liu; Yonghong.The latest application filed is for "milling system and method under different lubrication conditions".

Company Profile

12.14.15

Liu; Yonghong - Qingdao CN
Liu; Yonghong - Shandong CN
Liu; Yonghong - Shenzhen CN
Liu; Yonghong - Guangzhou CN
Liu; Yonghong - Changsha N/A CN
Liu; Yonghong - Hunan Province CN

*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
Multi-path combined high-low voltage plasma drilling method, drill bit for drilling and drill bit apparatus for drilling Grant 11,293,231 - Liu , et al. April 5, 2	2022-04-05
Multi-path combined high-low voltage plasma drilling power source and drillling system Grant 11,268,326 - Liu , et al. March 8, 2	2022-03-08
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
Milling System And Method Under Different Lubrication Conditions App 20210402540 - LI; Changhe ; et al.	2021-12-30
Milling system and method under different lubrication conditions Grant 11,161,210 - Li , et al. November 2, 2	2021-11-02
Method And System For Injecting Cutting Fluid During Milling Under Different Working Conditions App 20210331281 - LI; Changhe ; et al.	2021-10-28
Multi-path combined high-low voltage plasma rock-breaking drill bit, drill bit apparatus and drilling method Grant 11,085,245 - Liu , et al. August 10, 2	2021-08-10
Milling system and method under different lubrication conditions Grant 11,084,136 - Li , et al. August 10, 2	2021-08-10
PUM 1 protein as target for virus inhibition Grant 11,026,990 - Zhou , et al. June 8, 2	2021-06-08
Fully-electrically driven downhole safety valve Grant 10,989,019 - Cai , et al. April 27, 2	2021-04-27
Method And System For Evaluating Macro Resilience Of Offshore Oil Well Control Equipment App 20200370429 - 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
Fully-electrically Driven Downhole Safety Valve App 20200370394 - 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
Multi-path Combined High-low Voltage Plasma Drilling Method, Drill Bit For Drilling And Drill Bit Apparatus For Drilling App 20200224498 - LIU; Yonghong ; et al.	2020-07-16
Multi-path Combined High-low Voltage Plasma Drilling Power Source And Drilling System App 20200217140 - LIU; Yonghong ; et al.	2020-07-09
Multi-path Combined High-low Voltage Plasma Rock-breaking Drill Bit, Drill Bit Apparatus And Drilling Method App 20200217143 - LIU; Yonghong ; et al.	2020-07-09
Milling System And Method Under Different Lubrication Conditions App 20200164476 - LI; Changhe ; et al.	2020-05-28
Milling System And Method Under Different Lubrication Conditions App 20200164447 - LI; Changhe ; et al.	2020-05-28
Milling Tool Device For Auxiliary Chip Breaking And Tool System For Auxiliary Chip Breaking Under Different Lubricating Conditio App 20200164475 - LI; Changhe ; et al.	2020-05-28
Movable combined sand control pipe of axial and radial slotted screen pipes Grant 9,970,270 - Liu , et al. May 15, 2	2018-05-15
Movable Combined Sand Control Pipe Of Axial And Radial Slotted Screen Pipes App 20170218736 - LIU; Yonghong ; et al.	2017-08-03
Strepsesquitriol, preparation method thereof, and application thereof Grant 9,701,603 - Yang , et al. July 11, 2	2017-07-11
Strepsesquitriol, Preparation Method Thereof, And Application Thereof App 20160368846 - Yang; Xianwen ; et al.	2016-12-22
Matching authentication method, device and system for wireless communication Grant 8,775,804 - Yi , et al. July 8, 2	2014-07-08
Method and device for suppressing vibration of boom of concrete pump truck Grant 8,037,682 - Yi , et al. October 18, 2	2011-10-18
Method and Device for Suppressing Vibration of Boom of Concrete Pump Truck App 20090211435 - Yi; Xiaogang ; et al.	2009-08-27

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