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Richard Greenfield
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Aberdeenshire, GB
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Patents Grants
last 30 patents
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Patent Grant
Modular labyrinth seal system usable with electric submersible pumps
Patent number
11,493,048
Issue date
Nov 8, 2022
ZiLift Holdings, Limited
Ivor Maclver
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
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Patent Application
MODULAR LABYRINTH SEAL SYSTEM USABLE WITH ELECTRIC SUBMERSIBLE PUMPS
Publication number
20200072357
Publication date
Mar 5, 2020
ZiLift Holdings, Limited
Ivor Maclver
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...