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ROBERT B. KRATOCHVIL
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CALGARY, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for downhole fracking and a method thereof
Patent number
11,274,525
Issue date
Mar 15, 2022
Key Completions Inc.
Robert B. Kratochvil
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for downhole fracking and a method thereof
Patent number
11,156,061
Issue date
Oct 26, 2021
Key Completions Inc.
Robert B. Kratochvil
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for downhole fracking and a method thereof
Patent number
10,975,663
Issue date
Apr 13, 2021
Key Completions Inc.
Robert B. Kratochvil
E21 - EARTH DRILLING MINING
Information
Patent Grant
Combined perforating and fracking tools
Patent number
9,797,228
Issue date
Oct 24, 2017
Iron Horse Coiled Tubing Inc.
Robert B. Kratochvil
E21 - EARTH DRILLING MINING
Information
Patent Grant
Combined perforating and fracking tool
Patent number
9,284,823
Issue date
Mar 15, 2016
IRON HORSE COILED TUBING INC.
Robert B. Kratochvil
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual-stage valve straddle packer for selective stimulation of wells
Patent number
7,789,163
Issue date
Sep 7, 2010
Extreme Energy Solutions, Inc.
Robert Kratochvil
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
APPARATUS FOR DOWNHOLE FRACKING AND A METHOD THEREOF
Publication number
20200355044
Publication date
Nov 12, 2020
Key Completions Inc.
Robert B. KRATOCHVIL
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS FOR DOWNHOLE FRACKING AND A METHOD THEREOF
Publication number
20200355046
Publication date
Nov 12, 2020
Key Completions Inc.
Robert B. KRATOCHVIL
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS FOR DOWNHOLE FRACKING AND A METHOD THEREOF
Publication number
20200355045
Publication date
Nov 12, 2020
Key Completions Inc.
Robert B. KRATOCHVIL
E21 - EARTH DRILLING MINING
Information
Patent Application
COMBINED PERFORATING AND FRACKING TOOL
Publication number
20150233217
Publication date
Aug 20, 2015
IRON HORSE COILED TUBING INC.
ROBERT B. KRATOCHVIL
E21 - EARTH DRILLING MINING
Information
Patent Application
COMBINED PERFORATING AND FRACKING TOOLS
Publication number
20150226032
Publication date
Aug 13, 2015
IRON HORSE COILED TUBING INC.
ROBERT B. KRATOCHVIL
E21 - EARTH DRILLING MINING
Information
Patent Application
Dual-stage valve straddle packer for selective stimulation of wells
Publication number
20090159299
Publication date
Jun 25, 2009
Robert Kratochvil
E21 - EARTH DRILLING MINING
Information
Patent Application
Staged Actuation Shear Sub for Use Downhole
Publication number
20090145605
Publication date
Jun 11, 2009
Robert Bohuslav Kratochvil
E21 - EARTH DRILLING MINING