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Means for obtaining or maintaining the vacuum
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CPC
H01J19/70
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Parent Industries
H
ELECTRICITY
H01
Electric elements
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J19/00
Details of vacuum tubes of the types covered by group H01J21/00
Current Industry
H01J19/70
Means for obtaining or maintaining the vacuum
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Overview
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People
Information
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Patents Grants
last 30 patents
Information
Patent Grant
Vacuum tube
Patent number
9,589,758
Issue date
Mar 7, 2017
Noritake Itron Corporation
Kazunori Tatsuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vacuum tube
Patent number
9,583,300
Issue date
Feb 28, 2017
Noritake Itron Corporation
Kazunori Tatsuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vacuum device having non-evaporable getter component with increased...
Patent number
7,608,998
Issue date
Oct 27, 2009
Hewlett-Packard Development Company, L.P.
Sriram Ramamoorthi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Vacuum device having a getter
Patent number
7,045,958
Issue date
May 16, 2006
Hewlett-Packard Development Company, L.P.
Sriram Ramamoorthi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Microdevice assembly having a fine grain getter layer for maintaini...
Patent number
6,867,543
Issue date
Mar 15, 2005
Motorola, Inc.
Joe P. Wang
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Tube with bonded cathode and electrode structure and getter
Patent number
4,223,243
Issue date
Sep 16, 1980
The United States of America as represented by the Secretary of the Army
David W. Oliver
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2880982
Patent number
2,880,982
Issue date
Apr 7, 1959
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
1688489
Patent number
1,688,489
Issue date
Oct 23, 1928
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
1578662
Patent number
1,578,662
Issue date
Mar 30, 1926
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
1527875
Patent number
1,527,875
Issue date
Feb 24, 1925
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
VACUUM TUBE
Publication number
20160211106
Publication date
Jul 21, 2016
NORITAKE ITRON CORPORATION
Kazunori TATSUDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
VACUUM TUBE
Publication number
20160211107
Publication date
Jul 21, 2016
NORITAKE ITRON CORPORATION
Kazunori TATSUDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Vacuum device having a getter
Publication number
20060164009
Publication date
Jul 27, 2006
Sriram Ramamoorthi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Vacuum device having a getter
Publication number
20040201349
Publication date
Oct 14, 2004
Sriram Ramamoorthi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Microdevice assembly having a fine grain getter layer for maintaini...
Publication number
20040189198
Publication date
Sep 30, 2004
Joe P. Wang
B81 - MICRO-STRUCTURAL TECHNOLOGY