Candido Castro

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Treatment tool for use in a subterranean well
- Patent number 10,844,695
- Issue date Nov 24, 2020
- Weatherford Technology Holdings, LLC
- Candido Castro
- E21 - EARTH DRILLING MINING
Information Patent Grant
Treatment tool for use in a subterranean well
- Patent number 10,227,848
- Issue date Mar 12, 2019
- Weatherford Technology Holdings, LLC
- Candido Castro
- E21 - EARTH DRILLING MINING
Information Patent Grant
Revolving ball seat for hydraulically actuating tools
- Patent number 9,759,044
- Issue date Sep 12, 2017
- Weatherford Technology Holdings, LLC
- Candido Castro
- E21 - EARTH DRILLING MINING
Information Patent Grant
Resettable ball seat for hydraulically actuating tools
- Patent number 9,638,004
- Issue date May 2, 2017
- Weatherford Technology Holdings, LLC
- Candido Castro
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expandable ball seat for hydraulically actuating tools
- Patent number 9,187,978
- Issue date Nov 17, 2015
- Weatherford Technology Holdings, LLC
- Candido Castro
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
TREATMENT TOOL FOR USE IN A SUBTERRANEAN WELL
- Publication number 20190120025
- Publication date Apr 25, 2019
- Weatherford Technology Holdings, LLC.
- Candido CASTRO
- E21 - EARTH DRILLING MINING
Information Patent Application
TREATMENT TOOL FOR USE IN A SUBTERRANEAN WELL
- Publication number 20170241235
- Publication date Aug 24, 2017
- Weatherford Technology Holdings, LLC.
- Candido CASTRO
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole Tool having Slips Set by Stacked Rings
- Publication number 20170145780
- Publication date May 25, 2017
- Weatherford Technology Holdings, LLC.
- Candido Castro
- E21 - EARTH DRILLING MINING
Information Patent Application
Revolving Ball Seat for Hydraulically Actuating Tools
- Publication number 20160024872
- Publication date Jan 28, 2016
- WEATHERFORD/LAMB, INC.
- Candido Castro
- E21 - EARTH DRILLING MINING
Information Patent Application
Resettable Ball Seat for Hydraulically Actuating Tools
- Publication number 20140262325
- Publication date Sep 18, 2014
- WEATHERFORD/LAMB, INC.
- Candido Castro
- E21 - EARTH DRILLING MINING
Information Patent Application
Expandable Ball Seat for Hydraulically Actuating Tools
- Publication number 20140251629
- Publication date Sep 11, 2014
- Candido Castro
- E21 - EARTH DRILLING MINING