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Zlatko Salihbegovic
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New Iberia, LA, US
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Patents Grants
last 30 patents
Information
Patent Grant
High pressure gas lift valve with dual edge welded bellows
Patent number
11,686,185
Issue date
Jun 27, 2023
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gas lift valve with two simultaneous mechanical stops
Patent number
11,643,910
Issue date
May 9, 2023
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Chemical injection valve with stem bypass flow
Patent number
11,255,157
Issue date
Feb 22, 2022
Weatherford Technology Holdings, LLC
Zlatko X. Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gas lift valve with dual fortress seal
Patent number
11,242,732
Issue date
Feb 8, 2022
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gas lift valve having shear open mechanism for pressure testing
Patent number
10,787,889
Issue date
Sep 29, 2020
Weatherford Technology Holdings, LLC
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Chemical injection valve with enhanced sealing capability
Patent number
10,605,049
Issue date
Mar 31, 2020
Weatherford Technology Holdings, LLC
Sven C. Joerpeland
E21 - EARTH DRILLING MINING
Information
Patent Grant
Lift valve with bellow hydraulic protection and chatter reduction
Patent number
10,161,232
Issue date
Dec 25, 2018
Weatherford Technology Holdings, LLC
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gas lift valve with mixed bellows and floating constant volume flui...
Patent number
9,988,886
Issue date
Jun 5, 2018
Weatherford Technology Holdings, LLC
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gas lift valve with mixed bellows and floating constant volume flui...
Patent number
9,605,521
Issue date
Mar 28, 2017
Weatherford Technology Holdings, LLC
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual stem injection valve
Patent number
9,593,554
Issue date
Mar 14, 2017
Weatherford Technology Holdings, LLC
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gas lift valve having edge-welded bellows and captive sliding seal
Patent number
9,010,353
Issue date
Apr 21, 2015
Weatherford Technology Holdings, LLC
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
One-way valve for a side pocket mandrel of a gas lift system
Patent number
7,228,909
Issue date
Jun 12, 2007
Weatherford/Lamb, Inc.
Ronald W. Schmidt
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Gas lift valve with two simultaneous mechanical stops
Publication number
20220307354
Publication date
Sep 29, 2022
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Application
Gas lift valve with dual fortress seal
Publication number
20210340848
Publication date
Nov 4, 2021
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Application
High pressure gas lift valve with dual edge welded bellows
Publication number
20210054725
Publication date
Feb 25, 2021
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Application
Gas Lift Valve Having Shear Open Mechanism for Pressure Testing
Publication number
20200032627
Publication date
Jan 30, 2020
Weatherford Technology Holdings, LLC.
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Application
CHEMICAL INJECTION VALVE WITH ENHANCED SEALING CAPABILITY
Publication number
20180142533
Publication date
May 24, 2018
Weatherford Technology Holdings, LLC.
Sven C. JOERPELAND
E21 - EARTH DRILLING MINING
Information
Patent Application
CHEMICAL INJECTION VALVE WITH STEM BYPASS FLOW
Publication number
20180142532
Publication date
May 24, 2018
Weatherford Technology Holdings, LLC.
Zlatko X. SALIHBEGOVIC
E21 - EARTH DRILLING MINING
Information
Patent Application
GAS LIFT VALVE WITH MIXED BELLOWS AND FLOATING CONSTANT VOLUME FLUI...
Publication number
20170152733
Publication date
Jun 1, 2017
Weatherford Technology Holdings, LLC.
Zlatko SALIHBEGOVIC
E21 - EARTH DRILLING MINING
Information
Patent Application
LIFT VALVE WITH BELLOW HYDRAULIC PROTECTION AND CHATTER REDUCTION
Publication number
20160145983
Publication date
May 26, 2016
Weatherford Technology Holdings, LLC.
Zlatko SALIHBEGOVIC
E21 - EARTH DRILLING MINING
Information
Patent Application
DUAL STEM INJECTION VALVE
Publication number
20160053579
Publication date
Feb 25, 2016
WEATHERFORD/LAMB, INC.
Zlatko SALIHBEGOVIC
E21 - EARTH DRILLING MINING
Information
Patent Application
GAS LIFT VALVE
Publication number
20150083433
Publication date
Mar 26, 2015
WEATHERFORD/LAMB, INC.
Stephen David LONG
E21 - EARTH DRILLING MINING
Information
Patent Application
GAS LIFT VALVE WITH MIXED BELLOWS AND FLOATING CONSTANT VOLUME FLUI...
Publication number
20140076579
Publication date
Mar 20, 2014
WEATHERFORD/LAMB, INC.
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Application
GAS LIFT VALVE WITH BALL-ORIFICE CLOSING MECHANISM AND FULLY COMPRE...
Publication number
20130312833
Publication date
Nov 28, 2013
WEATHERFORD/LAMB, INC.
Zlatko X. Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Application
Gas Lift Valve Having Edge-Welded Bellows and Captive Sliding Seal
Publication number
20130032226
Publication date
Feb 7, 2013
WEATHERFORD/LAMB, INC.
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Application
One-way valve for a side pocket mandrel of a gas lift system
Publication number
20060137881
Publication date
Jun 29, 2006
Ronald W. Schmidt
E21 - EARTH DRILLING MINING