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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Lubricator with orifice
Patent number
12,180,811
Issue date
Dec 31, 2024
Epic Lift Systems
Robert G. Roycroft
E21 - EARTH DRILLING MINING
Information
Patent Grant
Flow restrictor method and apparatus
Patent number
12,104,454
Issue date
Oct 1, 2024
Epic Lift Systems
Daniel Brewer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Annular flow lubricator method and apparatus
Patent number
12,091,933
Issue date
Sep 17, 2024
Epic Lift Systems
Shannon Freeman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dart and clutch assembly
Patent number
12,091,939
Issue date
Sep 17, 2024
Epic Lift Systems
Robert G. Roycroft
E21 - EARTH DRILLING MINING
Information
Patent Grant
Annular flow lubricator method and apparatus
Patent number
11,851,980
Issue date
Dec 26, 2023
Epic Lift Systems
Shannon Freeman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Traveling relief valve
Patent number
11,746,619
Issue date
Sep 5, 2023
Epic Lift Systems
Jason Williams
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
FLOW RESTRICTOR METHOD AND APPARATUS
Publication number
20240418054
Publication date
Dec 19, 2024
Epic Lift Systems
Daniel Brewer
E21 - EARTH DRILLING MINING
Information
Patent Application
DART AND CLUTCH ASSEMBLY
Publication number
20240344434
Publication date
Oct 17, 2024
Epic Lift Systems
Robert G. Roycroft
E21 - EARTH DRILLING MINING
Information
Patent Application
DART AND CLUTCH ASSEMBLY
Publication number
20240344436
Publication date
Oct 17, 2024
Epic Lift Systems
Robert G. Roycroft
E21 - EARTH DRILLING MINING
Information
Patent Application
DART AND CLUTCH ASSEMBLY
Publication number
20240344435
Publication date
Oct 17, 2024
Epic Lift Systems
Robert G. Roycroft
E21 - EARTH DRILLING MINING
Information
Patent Application
DART AND CLUTCH ASSEMBLY
Publication number
20240337173
Publication date
Oct 10, 2024
Epic Lift Systems
Robert G. Roycroft
E21 - EARTH DRILLING MINING
Information
Patent Application
DART AND CLUTCH ASSEMBLY
Publication number
20240337174
Publication date
Oct 10, 2024
Epic Lift Systems
Robert G. Roycroft
E21 - EARTH DRILLING MINING
Information
Patent Application
ANNULAR FLOW LUBRICATOR METHOD AND APPARATUS
Publication number
20240102351
Publication date
Mar 28, 2024
Epic Lift Systems
Shannon Freeman
E21 - EARTH DRILLING MINING
Information
Patent Application
CENTER ROD PLUNGER WITH CLUTCH ASSEMBLY
Publication number
20240102464
Publication date
Mar 28, 2024
Epic Lift Systems
Robert G. Roycroft
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
CENTER ROD PLUNGER
Publication number
20240102364
Publication date
Mar 28, 2024
Epic Lift Systems
Robert G. Roycroft
E21 - EARTH DRILLING MINING
Information
Patent Application
ANNULAR FLOW LUBRICATOR METHOD AND APPARATUS
Publication number
20240076952
Publication date
Mar 7, 2024
Epic Lift Systems
Shannon Freeman
E21 - EARTH DRILLING MINING
Information
Patent Application
PLUG WITH SHUTTLE VALVE
Publication number
20230392467
Publication date
Dec 7, 2023
Epic Lift Systems
Douglas Wayne Davison
E21 - EARTH DRILLING MINING
Information
Patent Application
DART AND CLUTCH ASSEMBLY
Publication number
20230287762
Publication date
Sep 14, 2023
Epic Lift Systems
Robert G. Roycroft
E21 - EARTH DRILLING MINING
Information
Patent Application
LUBRICATOR WITH ORIFICE
Publication number
20230287769
Publication date
Sep 14, 2023
Epic Lift Systems
Robert G. Roycroft
E21 - EARTH DRILLING MINING
Information
Patent Application
DART AND CLUTCH ASSEMBLY
Publication number
20230175353
Publication date
Jun 8, 2023
Epic Lift Systems
Robert G. Roycroft
E21 - EARTH DRILLING MINING
Information
Patent Application
DOUBLE SLEEVE PLUNGER
Publication number
20230175363
Publication date
Jun 8, 2023
Epic Lift Systems
Jason Williams
E21 - EARTH DRILLING MINING
Information
Patent Application
ANNULAR FLOW LUBRICATOR METHOD AND APPARATUS
Publication number
20230175350
Publication date
Jun 8, 2023
Epic Lift Systems
Shannon Freeman
E21 - EARTH DRILLING MINING
Information
Patent Application
DART AND CLUTCH ASSEMBLY
Publication number
20230029090
Publication date
Jan 26, 2023
Epic Lift Systems
Robert G. Roycroft
E21 - EARTH DRILLING MINING
Information
Patent Application
FLOW RESTRICTOR METHOD AND APPARATUS
Publication number
20220349280
Publication date
Nov 3, 2022
Epic Lift Systems
Daniel Brewer
E21 - EARTH DRILLING MINING
Information
Patent Application
TRAVELING RELIEF VALVE
Publication number
20220106857
Publication date
Apr 7, 2022
Epic Lift Systems
Jason Williams
E21 - EARTH DRILLING MINING
Trademark
last 30 trademarks