Chitty; Gregory H.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chitty; Gregory H..The latest application filed is for "closed loop multiphase underbalanced drilling process".

Company Profile

0.6.7

Chitty; Gregory H. - 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
Closed loop multiphase underbalanced drilling process Grant 7,654,319 - Chitty , et al. February 2, 2	2010-02-02
Closed Loop Multiphase Underbalanced Drilling Process App 20080121392 - Chitty; Gregory H. ; et al.	2008-05-29
Closed Loop Multiphase Underbalanced Drilling Process App 20070199714 - Chitty; Gregory H. ; et al.	2007-08-30
Closed loop multiphase underbalanced drilling process Grant 7,178,592 - Chitty , et al. February 20, 2	2007-02-20
Methods and apparatus for drilling with a multiphase pump Grant 7,066,247 - Butler , et al. June 27, 2	2006-06-27
Methods and apparatus for drilling with a multiphase pump App 20060005999 - Butler; Bryan V. ; et al.	2006-01-12
Methods and apparatus for drilling with a multiphase pump Grant 6,966,367 - Butler , et al. November 22, 2	2005-11-22
Non-cryogenic production of nitrogen for on-site injection in well clean out Grant 6,929,068 - Chitty August 16, 2	2005-08-16
Methods and apparatus for drilling with a multiphase pump App 20040031622 - Butler, Bryan V. ; et al.	2004-02-19
Closed loop multiphase underbalanced drilling process App 20040007131 - Chitty, Gregory H. ; et al.	2004-01-15
Combination well kick off and gas lift booster unit App 20030085036 - Curtis, Glen A. ; et al.	2003-05-08
Non-cryogenic production of nitrogen for on-site injection in well clean out App 20030075320 - Chitty, Gregory H.	2003-04-24
Non-cryogenic production of nitrogen for on-site injection in well clean out Grant 6,494,262 - Chitty December 17, 2	2002-12-17

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