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last 30 patents
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Patent Grant
Pre-booster pumping system for increasing power generation of turbi...
Patent number
11,280,224
Issue date
Mar 22, 2022
ELIVAC COMPANY, LTD.
Raymond Zhou Shaw
F28 - HEAT EXCHANGE IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
VACUUM SYSTEM HAVING CONDENSER AND ROOT VACUUM PUMP SET
Publication number
20240328417
Publication date
Oct 3, 2024
ELIVAC CO., LTD.
Raymond Zhou Shaw
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
VACUUM SYSTEM HAVING CONDENSER AND ROOT VACUUM PUMP SET
Publication number
20230167822
Publication date
Jun 1, 2023
Raymond Zhou Shaw
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
VACUUM SYSTEM HAVING CONDENSER AND ROOT VACUUM PUMP SET
Publication number
20230096279
Publication date
Mar 30, 2023
Raymond Zhou Shaw
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
POWER SAVING VACUUM MACHINE FOR IMPROVING VACUUM ABILITY OF CONDENS...
Publication number
20210301824
Publication date
Sep 30, 2021
Raymond Zhou Shaw
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
PRE-BOOSTER PUMPING SYSTEM FOR INCREASING POWER GENERATION OF TURBI...
Publication number
20210301683
Publication date
Sep 30, 2021
Raymond Zhou Shaw
F28 - HEAT EXCHANGE IN GENERAL