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Well plunger systems
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Patent number 10,907,452
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Issue date Feb 2, 2021
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Patriot Artificial Lift, LLC
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Robert G. Roycroft
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E21 - EARTH DRILLING MINING
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Forged flange lubricator
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Patent number 10,718,327
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Issue date Jul 21, 2020
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Patriot Artificial Lift, LLC
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Robert Roycroft
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Forged flange lubricator
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Patent number 10,221,849
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Issue date Mar 5, 2019
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Patriot Artificial Lift, LLC
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Robert Roycroft
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Well plunger systems
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Patent number 10,161,230
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Issue date Dec 25, 2018
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Patriot Artificial Lift, LLC
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Robert G. Roycroft
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E21 - EARTH DRILLING MINING
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FORGED FLANGE LUBRICATOR
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Publication number 20190145404
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Publication date May 16, 2019
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Patriot Artificial Lift, LLC
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Robert Roycroft
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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WELL PLUNGER SYSTEMS
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Publication number 20190085666
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Publication date Mar 21, 2019
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Patriot Artificial Lift, LLC
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Robert G. Roycroft
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E21 - EARTH DRILLING MINING
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WELL PLUNGER SYSTEMS
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Publication number 20170268318
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Publication date Sep 21, 2017
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Patriot Artificial Lift, LLC
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Robert G. Roycroft
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E21 - EARTH DRILLING MINING
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FORGED FLANGE LUBRICATOR
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Publication number 20160341195
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Publication date Nov 24, 2016
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Patriot Artificial Lift, LLC
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Robert Roycroft
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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BYPASS DART AND ASSEMBLY
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Publication number 20160215600
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Publication date Jul 28, 2016
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Patriot Artificial Lift, LLC
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Robert G. Roycroft
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E21 - EARTH DRILLING MINING
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BYPASS DART AND ASSEMBLY
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Publication number 20160168963
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Publication date Jun 16, 2016
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Patriot Artificial Lift, LLC
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Robert G. Roycroft
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E21 - EARTH DRILLING MINING
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