Johnson; Charles Daniel

Patent Applications and Registrations

Patent applications and USPTO patent grants for Johnson; Charles Daniel.The latest application filed is for "fixed cutter completions bit".

Company Profile

1.7.17

Johnson; Charles Daniel - Porter TX
Johnson; Charles Daniel - Rochester MN

*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
Fixed cutter completions bit Grant 10,900,290 - Howard , et al. January 26, 2	2021-01-26
Fixed Cutter Completions Bit App 20200003014 - HOWARD; JOHNATHAN WALTER ; et al.	2020-01-02
Methods to repair worn or eroded PDC cutters, cutters so repaired, and use of repaired PDC cutters in drill bits or other tools Grant 9,708,858 - King , et al. July 18, 2	2017-07-18
Method for applying hardfacing to a matrix substrate of a drill bit Grant 9,481,057 - Johnson , et al. November 1, 2	2016-11-01
Use of tungsten carbide tube rod to hard-face PDC matrix Grant 9,435,158 - Johnson September 6, 2	2016-09-06
Methods to repair worn or eroded PDC cutters, cutters so repaired, and use of repaired PDC cutters in drill bits or other tools Grant 9,375,827 - Amundsen , et al. June 28, 2	2016-06-28
Method for repairing or reinforcing cutter pockets of a drill bit Grant 9,289,864 - Johnson , et al. March 22, 2	2016-03-22
Short Matrix Drill Bits And Methodologies For Manufacturing Short Matrix Drill Bits App 20150259985 - Thigpen; Gary Michael ; et al.	2015-09-17
Manufacture Of Low Cost Bits By Infiltration Of Metal Powders App 20150240566 - Amundsen; Marvin Windsor ; et al.	2015-08-27
Use Of Tungsten Carbide Tube Rod To Hard-face Pdc Matrix App 20150211305 - Johnson; Charles Daniel	2015-07-30
Methodologies For Manufacturing Short Matrix Bits App 20140291033 - Amundsen; Marvin Windsor ; et al.	2014-10-02
Methods To Repair Worn Or Eroded PDC Cutters, Cutters So Repaired, And Use Of Repaired PDC Cutters In Drill Bits Or Other Tools App 20140158436 - King; William W. ; et al.	2014-06-12
Method For Applying Hardfacing To A Matrix Substrate Of A Drill Bit App 20140102011 - Johnson; Charles Daniel ; et al.	2014-04-17
Methods To Repair Worn Or Eroded PDC Cutters, Cutters So Repaired, And Use Of Repaired PDC Cutters In Drill Bits Or Other Tools App 20130341102 - King; William W. ; et al.	2013-12-26
Method For Repairing Or Reinforcing Cutter Pockets Of A Drill Bit App 20130206483 - Johnson; Charles Daniel ; et al.	2013-08-15
Use Of Tungsten Carbide Tube Rod To Hard-face Pdc Matrix App 20130092453 - Johnson; Charles Daniel	2013-04-18
System for two dimensional and three dimensional imaging of tubular structures in the human body Grant 5,891,030 - Johnson , et al. April 6, 1	1999-04-06

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