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TOP-CO INC.
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Weatherford, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Wellbore sealing systems and methods
Patent number
10,718,180
Issue date
Jul 21, 2020
Top-Co Inc.
Gregory James Alexander Andrigo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Deployable bow spring centralizer
Patent number
10,533,382
Issue date
Jan 14, 2020
Top-Co Inc.
Gregory James Alexander Andrigo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Easy-start centralizer with asymmetrical bow springs
Patent number
10,443,323
Issue date
Oct 15, 2019
Top-Co Inc.
Gregory James Alexander Andrigo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Asymmetric casing centralizer
Patent number
10,378,293
Issue date
Aug 13, 2019
Top-Co Inc.
Alfredo Sanchez
E21 - EARTH DRILLING MINING
Information
Patent Grant
Deployable bow spring centralizer
Patent number
10,214,973
Issue date
Feb 26, 2019
Top-Co Inc.
Gregory James Alexander Andrigo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Easy-start centralizer with asymetrical bow springs
Patent number
10,012,035
Issue date
Jul 3, 2018
Top-Co Inc.
Gregory James Alexander Andrigo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stage tool apparatus and components for same
Patent number
9,885,222
Issue date
Feb 6, 2018
Top-Co Inc.
Gregory James Alexander Andrigo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Convertible valve with retained conversion element
Patent number
9,482,073
Issue date
Nov 1, 2016
Top-Co Inc.
Gregory James Alexander Andrigo
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
EASY-START CENTRALIZER WITH ASYMMETRICAL BOW SPRINGS
Publication number
20180347290
Publication date
Dec 6, 2018
TOP-CO INC.
Gregory James Alexander ANDRIGO
E21 - EARTH DRILLING MINING
Information
Patent Application
DEPLOYABLE BOW SPRING CENTRALIZER
Publication number
20180245407
Publication date
Aug 30, 2018
TOP-CO INC.
Gregory James Alexander Andrigo
E21 - EARTH DRILLING MINING
Information
Patent Application
DEPLOYABLE BOW SPRING CENTRALIZER
Publication number
20170067300
Publication date
Mar 9, 2017
TOP-CO INC.
Gregory James Alexander Andrigo
E21 - EARTH DRILLING MINING
Information
Patent Application
WELLBORE SEALING SYSTEMS AND METHODS
Publication number
20160312566
Publication date
Oct 27, 2016
TOP-CO INC.
Gregory James Alexander Andrigo
E21 - EARTH DRILLING MINING
Information
Patent Application
CONVERTIBLE VALVE WITH RETAINED CONVERSION ELEMENT
Publication number
20150377372
Publication date
Dec 31, 2015
TOP-CO INC.
Gregory James Alexander Andrigo
E21 - EARTH DRILLING MINING
Information
Patent Application
EASY-START CENTRALIZER WITH ASYMETRICAL BOW SPRINGS
Publication number
20150354291
Publication date
Dec 10, 2015
TOP-CO INC.
Gregory James Alexander Andrigo
E21 - EARTH DRILLING MINING
Trademark
last 30 trademarks