Qin; Shiwei

Patent Applications and Registrations

Patent applications and USPTO patent grants for Qin; Shiwei.The latest application filed is for "drill bit design with reduced 3d coupled vibration".

Company Profile

2.10.14

Qin; Shiwei - Conroe TX
QIN; Shiwei - Hong Kong HK
Qin; Shiwei - Battle Creek MI

*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
Drill Bit Design With Reduced 3d Coupled Vibration App 20220067234 - Chen; Shilin ; et al.	2022-03-03
Microencapsulated Acid with Perforation Strategies to Improve the Delivery and Treatment of Formations in Hydraulic Fracturing Applications App 20210404299 - BENOIT; Denise Nicole ; et al.	2021-12-30
Thoroughly Modified, Functionalized Polymeric Hard Coating Material For Coatings, Methods For Synthesizing The Same And Applications Thereof App 20210189173 - ZHU; Yong ; et al.	2021-06-24
Sealing elements for roller cone bits Grant 10,774,593 - Qin , et al. Sept	2020-09-15
Sealing Elements For Roller Cone Bits App 20190119987 - Qin; Shiwei ; et al.	2019-04-25
Driven accessory Grant 9,863,486 - Qin , et al. January 9, 2	2018-01-09
Dry friction clutch for a vehicle accessory Grant 9,765,827 - Qin September 19, 2	2017-09-19
Driven Accessory App 20170009819 - Qin; Shiwei ; et al.	2017-01-12
Fail-safe dry friction clutch for a vehicle accessory Grant 9,482,286 - Qin November 1, 2	2016-11-01
Solenoid assembly for friction clutch Grant 9,478,341 - Qin , et al. October 25, 2	2016-10-25
Accessory drive with friction clutch Grant 9,458,897 - Qin October 4, 2	2016-10-04
Buckling Spring Member For Clutch Mechanism App 20160281797 - QIN; Shiwei	2016-09-29
Metal pulley with non-magnetically susceptible insert Grant 9,453,571 - Qin , et al. September 27, 2	2016-09-27
Friction clutch for driven accessory Grant 9,447,826 - Qin September 20, 2	2016-09-20
Accessory drive with friction clutch and electric motor Grant 9,279,460 - Qin March 8, 2	2016-03-08
Fail-safe Dry Friction Clutch For A Coolant Pump App 20160040725 - Qin; Shiwei	2016-02-11
Coolant Pump With Heat Sinking To Coolant App 20160017894 - QIN; Shiwei ; et al.	2016-01-21
Solenoid Assembly For Friction Clutch App 20150270047 - Qin; Shiwei ; et al.	2015-09-24
Fail-Safe Dry Friction Clutch For A Coolant Pump App 20140174873 - Qin; Shiwei	2014-06-26
Accessory On-Off Drive With Friction Clutch App 20140174875 - Qin; Shiwei	2014-06-26
Accessory Drive With Friction Clutch And Electric Motor App 20140174874 - Qin; Shiwei	2014-06-26
Friction Clutch For Accessory Drive App 20140174872 - Qin; Shiwei	2014-06-26
Metal Pulley With NonMagnetic Insert App 20140179476 - Qin; Shiwei ; et al.	2014-06-26
Clutch spring Grant D695,656 - Qin December 17, 2	2013-12-17

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