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Leixlip, IE
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Patents Grants
last 30 patents
Information
Patent Grant
Printhead-integrated ink level sensor with central clearing resistor
Patent number
10,532,579
Issue date
Jan 14, 2020
Hewlett-Packard Development Company, L.P.
Boon Bing Ng
G01 - MEASURING TESTING
Information
Patent Grant
Print head sensing chamber circulation
Patent number
10,449,776
Issue date
Oct 22, 2019
Hewlett-Packard Development Company, L.P.
Alexander Govyadinov
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Cartridges comprising sensors including ground electrodes exposed t...
Patent number
10,160,224
Issue date
Dec 25, 2018
Hewlett-Packard Development Company, L.P.
Ning Ge
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Fluid ejection device with printhead ink level sensor
Patent number
10,155,379
Issue date
Dec 18, 2018
Hewlett-Packard Development Company, L.P.
Boon Bing Ng
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Print head sensing chamber circulation
Patent number
10,099,484
Issue date
Oct 16, 2018
Hewlett-Packard Development Company, L.P.
Alexander Govyadinov
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Fluid ejection device with ground electrode exposed to fluid chamber
Patent number
9,776,419
Issue date
Oct 3, 2017
Hewlett-Packard Development Company, L.P.
Ning Ge
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Fluid ejection device with integrated ink level sensor
Patent number
9,776,412
Issue date
Oct 3, 2017
Hewlett-Packard Development Company, L.P.
Ning Ge
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Fluid ejection device with integrated ink level sensors
Patent number
9,707,771
Issue date
Jul 18, 2017
Hewlett-Packard Development Company, L.P.
Ning Ge
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Fluid ejection device with integrated ink level sensor
Patent number
9,487,017
Issue date
Nov 8, 2016
Hewlett-Packard Development Company, L.P.
Ning Ge
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
PRINT HEAD SENSING CHAMBER CIRCULATION
Publication number
20190001695
Publication date
Jan 3, 2019
Hewlett-Packard Development Company, L.P.
Alexander Govyadinov
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PRINTHEAD-INTEGRATED INK LEVEL SENSOR WITH CENTRAL CLEARING RESISTOR
Publication number
20180354271
Publication date
Dec 13, 2018
Hewlett-Packard Development Company, L.P.
Boon Bing Ng
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
CARTRIDGES COMPRISING SENSORS INCLUDING GROUND ELECTRODES EXPOSED T...
Publication number
20180015729
Publication date
Jan 18, 2018
Hewlett-Packard Development Company, L.P.
Ning Ge
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PRINT HEAD SENSING CHAMBER CIRCULATION
Publication number
20170313093
Publication date
Nov 2, 2017
Hewlett-Packard Development Company, L.P.
Alexander Govyadinov
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Fluid Ejection Device with Printhead Ink Level Sensor
Publication number
20170232743
Publication date
Aug 17, 2017
Hewlett-Packard Development Company, L.P.
Boon Bing Ng
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
FLUID EJECTION DEVICE WITH GROUND ELECTRODE EXPOSED TO FLUID CHAMBER
Publication number
20170173969
Publication date
Jun 22, 2017
HEWLETT-PACKARD DEVELOPMENT COMPANY LP
Ning GE
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
FLUID EJECTION DEVICE WITH INTEGRATED INK LEVEL SENSORS
Publication number
20170036452
Publication date
Feb 9, 2017
Hewlett-Packard Development Company, L.P.
Ning Ge
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
FLUID EJECTION DEVICE WITH INTEGRATED INK LEVEL SENSOR
Publication number
20170021626
Publication date
Jan 26, 2017
Hewlett-Packard Development Company, L.P.
Ning Ge
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
FLUID EJECTION DEVICE WITH INTEGRATED INK LEVEL SENSOR
Publication number
20150273848
Publication date
Oct 1, 2015
Hewlett-Packard Development Company, L.P.
Ning Ge
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS