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Patents Grants
last 30 patents
Information
Patent Grant
Impeller and water pump having the same
Patent number
11,181,119
Issue date
Nov 23, 2021
JOHNSON ELECTRIC INTERNATIONAL AG
Chuanjiang Guo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Muffling device and ventilating fan having the same
Patent number
10,823,202
Issue date
Nov 3, 2020
JOHNSON ELECTRIC INTERNATIONAL AG
Chuanjiang Guo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pump having selectable outlets
Patent number
9,689,403
Issue date
Jun 27, 2017
Johnson Electric S.A.
Chuanhui Fang
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
IMPELLER AND WATER PUMP HAVING THE SAME
Publication number
20190323516
Publication date
Oct 24, 2019
Johnson Electric International AG
Chuanjiang GUO
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
MUFFLING DEVICE AND VENTILATING FAN HAVING THE SAME
Publication number
20190301491
Publication date
Oct 3, 2019
Johnson Electric International AG
Chuanjiang GUO
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
PUMP HAVING SELECTABLE OUTLETS
Publication number
20140286747
Publication date
Sep 25, 2014
JOHNSON ELECTRIC S.A.
Chuanhui FANG
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...