Hart; Daniel R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hart; Daniel R..The latest application filed is for "extrudable ball for multiple activations".

Company Profile

4.14.16

Hart; Daniel R. - Sugar Land TX
Hart; Daniel R. - Sugar Lane TX
Hart, Daniel R. - Sugarland 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
Extrudable Ball For Multiple Activations App 20220049569 - Alexander; David ; et al.	2022-02-17
Method and apparatus for swarf disposal in wellbores Grant 10,450,820 - Hart , et al. Oc	2019-10-22
Mills with shearable cutting members for milling casings in wellbores Grant 10,309,178 - Hart	2019-06-04
Multi-tool bottom hole assembly with selective tool operation feature Grant 10,267,111 - Hart , et al.	2019-04-23
Mills With Swarf Disposal In Wellbores App 20180283120 - Hart; Daniel R. ; et al.	2018-10-04
Multi-tool Bottom Hole Assembly with Selective Tool Operation Feature App 20170321509 - Hart; Daniel R. ; et al.	2017-11-09
Mills With Shearable Cutting Members For Milling Casings In Wellbores App 20170145766 - Hart; Daniel R.	2017-05-25
Tool with multisize segmented ring seat Grant 9,303,475 - Hart , et al. April 5, 2	2016-04-05
Casing manipulation assembly with hydraulic torque locking mechanism Grant 9,145,734 - Hart September 29, 2	2015-09-29
Casing Manipulation Assembly with Hydraulic Torque Locking Mechanism App 20140151067 - Hart; Daniel R.	2014-06-05
Tool with multi-size ball seat having segmented arcuate ball support member Grant 8,356,671 - Guillory , et al. January 22, 2	2013-01-22
Tool with Multisize Segmented Ring Seat App 20120227973 - Hart; Daniel R. ; et al.	2012-09-13
Tool with Multi-Size Ball Seat Having Segmented Arcuate Ball Support Member App 20110315390 - Guillory; Jeremy J. ; et al.	2011-12-29
Full Gauge Milling Bottom Hole Assembly with Optimal Contact Force and Build Rate Capability App 20110174477 - Verma; Suhas S. ; et al.	2011-07-21
Combination whipstock and seal bore diverter system Grant 7,905,279 - Hart , et al. March 15, 2	2011-03-15
Combination Whipstock And Seal Bore Diverter System App 20090255664 - Hart; Daniel R. ; et al.	2009-10-15
Exit window milling assembly with improved restraining force Grant 7,575,049 - Stowe , et al. August 18, 2	2009-08-18
Exit window milling assembly with improved restraining force App 20070261840 - Stowe; Calvin J. ; et al.	2007-11-15
Short radius whipstock system Grant 7,231,979 - Stephen , et al. June 19, 2	2007-06-19
Flat and bevel chipbreaker insert App 20050109546 - Stowe, Calvin J. ; et al.	2005-05-26
Short radius whipstock system App 20040144047 - Stephen, Dave ; et al.	2004-07-29
Mono-bore retrievable whipstock App 20030010533 - Hart, Daniel R. ; et al.	2003-01-16
Multi-use tubing disconnect Grant 6,408,946 - Marshall , et al. June 25, 2	2002-06-25

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