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Lee D. Basset
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Lloydminster, CA
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last 30 patents
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Patent Grant
Pump jack with counterbalance
Patent number
11,299,941
Issue date
Apr 12, 2022
Vertx Artificial Lift Inc.
Nicholas Paul Donohoe
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
PUMP JACK WITH COUNTERBALANCE
Publication number
20210003124
Publication date
Jan 7, 2021
VERTX ARTIFICIAL LIFT INC.
Nicholas Paul Donohoe
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Patent Application
ROD-PUMPING SYSTEM
Publication number
20140234122
Publication date
Aug 21, 2014
ICI ARTIFICIAL LIFT INC.
Nicholas Donohoe
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...