Pu; Wanfen

Patent Applications and Registrations

Patent applications and USPTO patent grants for Pu; Wanfen.The latest application filed is for "high-temperature and high-pressure microscopic visual flowing device and experimental method".

Company Profile

4.7.8

Pu; Wanfen - Chengdu CN
Pu; Wanfen - Sichuan CN
Pu; Wanfen - Chengdu City 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
High-temperature and high-pressure microscopic visual flowing device and experimental method Grant 11,428,620 - Xiao , et al. August 30, 2	2022-08-30
High-temperature And High-pressure Microscopic Visual Flowing Device And Experimental Method App 20220205896 - XIAO; Wenlian ; et al.	2022-06-30
Lignocellulose nanofibril material, stable foam system based thereon, preparation method and application thereof Grant 11,339,254 - Wei , et al. May 24, 2	2022-05-24
Methods For Preparing And Applying A Nano Emulsifier App 20220127517 - PU; Wanfen ; et al.	2022-04-28
Preparation method of amphoteric two-dimensional nanosheet Grant 11,279,621 - Liu , et al. March 22, 2	2022-03-22
Insatiability emulsification and viscosity system with controlled viscosity and its application in water-driven reservoir Grant 11,268,013 - Liu , et al. March 8, 2	2022-03-08
Polymer-monodispersed nano-microspheres for deep profile control and flooding, and preparation method thereof Grant 11,225,597 - Liu , et al. January 18, 2	2022-01-18
Mine application method for in-situ nano-microspheres to increase crude oil recovery rate Grant 11,118,102 - Pu , et al. September 14, 2	2021-09-14
Lignocellulose Nanofibril Material, Stable Foam System Based Thereon, Preparation Method And Application Thereof App 20210214509 - WEI; Bing ; et al.	2021-07-15
Polymer-monodispersed Nano-microspheres For Deep Profile Control And Flooding, And Preparation Method Thereof App 20210189220 - Liu; Rui ; et al.	2021-06-24
Mine Application Method For In-situ Nano-microspheres To Increase Crude Oil Recovery Rate App 20210189221 - Pu; Wanfen ; et al.	2021-06-24
In-situ Emulsification And Viscosity Increase System With High Phase Change Point And Application Thereof In Water-flooding Oil Reservoir App 20210163814 - PU; Wanfen ; et al.	2021-06-03
Particulate profile control agent self-adaptive to size of formation pore throat and preparation method thereof Grant 11,015,109 - Jin , et al. May 25, 2	2021-05-25
Insatiability Emulsification And Viscosity System With Controlled Viscosity And Its Application In Water-driven Reservoir App 20210115324 - LIU; Rui ; et al.	2021-04-22
Particulate Profile Control Agent Self-adaptive To Size Of Formation Pore Throat And Preparation Method Thereof App 20210115317 - Jin; Fayang ; et al.	2021-04-22

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