Hopmann; Don A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hopmann; Don A..The latest application filed is for "system and method for electrical control of downhole well tools".

Company Profile

2.11.10

Hopmann; Don A. - Alvin TX
Hopmann; Don A. - La Porte 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
System and method for electrical control of downhole well tools Grant 11,371,318 - Hopmann , et al. June 28, 2	2022-06-28
Prevention of gas migration through downhole control lines Grant 11,125,346 - Cilli , et al. September 21, 2	2021-09-21
System And Method For Electrical Control Of Downhole Well Tools App 20210062614 - HOPMANN; Don A. ; et al.	2021-03-04
Prevention Of Gas Migration Through Downhnole Control Lines App 20200347945 - CILLI; Otavio Maffud ; et al.	2020-11-05
Tubing pressure insensitive pressure compensated actuator for a downhole tool and method Grant 9,133,687 - Sloan , et al. September 15, 2	2015-09-15
Spoolable signal conduction and connection line and method Grant 8,602,658 - Hopmann , et al. December 10, 2	2013-12-10
Spoolable downhole control system and method Grant 8,397,828 - Hopmann , et al. March 19, 2	2013-03-19
Tubing Pressure Insensitive Pressure Compensated Actuator For A Downhole Tool And Method App 20130043039 - Sloan; James T. ; et al.	2013-02-21
Position sensor for a downhole completion device Grant 8,237,443 - Hopmann , et al. August 7, 2	2012-08-07
Spoolable Downhole Control System And Method App 20110232921 - Hopmann; Don A. ; et al.	2011-09-29
Spoolable Signal Conduction And Connection Line And Method App 20110194817 - Hopmann; Don A. ; et al.	2011-08-11
Electro-magnetic Multi Choke Position Valve App 20090151790 - Ranjan; Priyesh ; et al.	2009-06-18
Position Sensor for a Downhole Completion Device App 20090128141 - Hopmann; Don A. ; et al.	2009-05-21
Optical position sensing for well control tools Grant 7,104,331 - Bussear , et al. September 12, 2	2006-09-12
Method for repeating messages in long intelligent completion system lines Grant 6,798,350 - Maxit , et al. September 28, 2	2004-09-28
Optical position sensing for well control tools App 20030127232 - Bussear, Terry R. ; et al.	2003-07-10
Method for repeating messages in long intelligent completion system lines App 20020179303 - Maxit, Jorge O. ; et al.	2002-12-05

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