Inventor · disambiguated record
Charles M. Macphail
Also filed as: MACPHAIL CHARLES M
11 granted patents·1 pending application·227 citations·filing 2001–2015
92Inventor score
Technology areasE21B
Top patents by PatentIndex Score
12 records- 0194US9291048B2System and method for triggering a downhole toolHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Mar 22, 2016·9 cites·19 claims
- 0292US7596995B2Single phase fluid sampling apparatus and method for use of sameHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Oct 6, 2009·41 cites·34 claims
- 0391US7946166B2Method for actuating a pressure delivery system of a fluid samplerHALLIBURTON ENERGY SERV INC·Filed 2009·Granted May 24, 2011·29 cites·18 claims
- 0486US7856872B2Single phase fluid sampling apparatus and method for use of sameHALLIBURTON ENERGY SERV INC·Filed 2009·Granted Dec 28, 2010·22 cites·21 claims
- 0586US6622554B2Open hole formation testingHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Sep 23, 2003·80 cites·27 claims
- 0682US7966876B2Single phase fluid sampling apparatus and method for use of sameHALLIBURTON ENERGY SERV INC·Filed 2009·Granted Jun 28, 2011·16 cites·24 claims
- 0781US7950277B2Apparatus for actuating a pressure delivery system of a fluid samplerHALLIBURTON ENERGY SERV INC·Filed 2009·Granted May 31, 2011·13 cites·17 claims
- 0873US7926342B2Apparatus for actuating a pressure delivery system of a fluid samplerHALLIBURTON ENERGY SERV INC·Filed 2009·Granted Apr 19, 2011·8 cites·19 claims
- 0965US7874206B2Single phase fluid sampling apparatus and method for use of sameHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Jan 25, 2011·8 cites·21 claims
- 1060US9121267B2System and method for triggering a downhole toolHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Sep 1, 2015·1 cites·9 claims
- 1151US8701761B2System and method for triggering a downhole toolHALLIBURTON ENERGY SERV INC·Filed 2013·Granted Apr 22, 2014·0 cites·4 claims
- 1233US2004003657A1Open hole formation testingHALLIBURTON ENERGY SERV INC·Filed 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Charles M. Macphail files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →