Johnson; Christopher Dale

Patent Applications and Registrations

Patent applications and USPTO patent grants for Johnson; Christopher Dale.The latest application filed is for "pressure control devices for sealing around tubular members".

Company Profile

1.20.14

Johnson; Christopher Dale - Houston TX
Johnson; Christopher Dale - Cypress TX
Johnson; Christopher Dale - Playa Del Ray CA US
Johnson; Christopher Dale - Playa Del Rey CA

*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
Pressure Control Devices for Sealing Around Tubular Members App 20190234176 - Johnson; Christopher Dale ; et al.	2019-08-01
Blowout preventer monitoring system and method of using same Grant 9,708,877 - Liotta , et al. July 18, 2	2017-07-18
Spherical blowout preventer with energizeable packer seal and method of using same Grant 9,580,987 - Liotta , et al. February 28, 2	2017-02-28
Blowout preventer monitor with trigger sensor and method of using same Grant 9,428,994 - Landrith, II , et al. August 30, 2	2016-08-30
Spherical Blowout Preventer With Energizeable Packer Seal And Method Of Using Same App 20150275609 - Liotta; Joseph James ; et al.	2015-10-01
Wellhead connector and method of using same Grant 9,068,423 - Johnson , et al. June 30, 2	2015-06-30
Blowout Preventer Monitoring System And Method Of Using Same App 20150159459 - Liotta; Joseph James ; et al.	2015-06-11
Blowout preventer blade assembly and method of using same Grant 9,022,104 - Springett , et al. May 5, 2	2015-05-05
Blowout preventer monitoring system and method of using same Grant 8,978,698 - Liotta , et al. March 17, 2	2015-03-17
Method and apparatus for identifying potentially misclassified arrhythmic episodes Grant 8,948,858 - Johnson , et al. February 3, 2	2015-02-03
Blowout Preventer Monitor With Trigger Sensor And Method Of Using Same App 20140311735 - Landrith, II; James Ray ; et al.	2014-10-23
Blowout preventer blade assembly and method of using same Grant 8,807,219 - Springett , et al. August 19, 2	2014-08-19
Tubular severing system and method of using same Grant 8,720,565 - Springett , et al. May 13, 2	2014-05-13
Tubular severing system and method of using same Grant 8,720,564 - Springett , et al. May 13, 2	2014-05-13
Wellhead Connector And Method Of Using Same App 20130199801 - Johnson; Christopher Dale ; et al.	2013-08-08
System and method for severing a tubular Grant 8,424,607 - Springett , et al. April 23, 2	2013-04-23
Blowout Preventer Blade Assembly And Method Of Using Same App 20120073816 - SPRINGETT; FRANK BENJAMIN ; et al.	2012-03-29
Blowout Preventer Blade Assembly And Method Of Using Same App 20120073815 - SPRINGETT; FRANK BENJAMIN ; et al.	2012-03-29
Blowout Preventer Monitoring System And Method Of Using Same App 20120000646 - Liotta; Joseph James ; et al.	2012-01-05
Tubular Severing System And Method Of Using Same App 20110226476 - Springett; Frank Benjamin ; et al.	2011-09-22
Tubular Severing System And Method Of Using Same App 20110226477 - Springett; Frank Benjamin ; et al.	2011-09-22
System And Method For Severing A Tubular App 20110226475 - Springett; Frank Benjamin ; et al.	2011-09-22
Method and Apparatus for Identifying Potentially Misclassified Arrhythmic Episodes App 20100211125 - Johnson; Christopher Dale ; et al.	2010-08-19
Method and apparatus for identifying potentially misclassified arrhythmic episodes Grant 7,738,950 - Johnson , et al. June 15, 2	2010-06-15
Method and apparatus for identifying potentially misclassified arrhythmic episodes App 20080065165 - Johnson; Christopher Dale ; et al.	2008-03-13

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