Evans; Eric R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Evans; Eric R..The latest application filed is for "active rfid tag arrangements for actuation of downhole equipment in well fluids".

Company Profile

5.6.5

Evans; Eric R. - Magnolia TX
Evans; Eric R. - Houston TX

*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
Stage tool having composite seats Grant 11,306,562 - Giroux , et al. April 19, 2	2022-04-19
Active RFID tag arrangements for actuation of downhole equipment in well fluids Grant 10,915,714 - Ownby , et al. February 9, 2	2021-02-09
Active RFID Tag Arrangements for Actuation of Downhole Equipment in Well Fluids App 20200134271 - Ownby; John ; et al.	2020-04-30
Active RFID tag arrangements for actuation of downhole equipment in well fluids Grant 10,586,083 - Ownby , et al.	2020-03-10
Mechanically operated reverse cementing crossover tool Grant 10,392,898 - Giroux , et al. A	2019-08-27
Radio frequency identification tag delivery system Grant 10,198,606 - Ownby , et al. Fe	2019-02-05
Active RFID Tag Arrangements for Actuation of Downhole Equipment in Well Fluids App 20180225485 - Ownby; John ; et al.	2018-08-09
Radio Frequency Identification Tag Delivery System App 20180150660 - OWNBY; John Fielding ; et al.	2018-05-31
Radio frequency identification tag delivery system Grant 9,911,016 - Ownby , et al. March 6, 2	2018-03-06
Mechanically Operated Reverse Cementing Crossover Tool App 20170362915 - GIROUX; Richard L. ; et al.	2017-12-21
Radio Frequency Identification Tag Delivery System App 20160335464 - OWNBY; John Fielding ; et al.	2016-11-17

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