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David J. Waller
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Fort Collins, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Printing mechanism and method
Patent number
7,753,471
Issue date
Jul 13, 2010
Hewlett-Packard Development Company, L.P.
David J Waller
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of forming pillars in a fully integrated thermal inkjet prin...
Patent number
7,204,933
Issue date
Apr 17, 2007
Hewlett-Packard Development Company, L.P.
Naoto Kawamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Pen maintenance system and method for operating same
Patent number
7,104,636
Issue date
Sep 12, 2006
Hewlett-Packard Development Company, L.P.
Jeremy A. Davis
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Printhead maintenance system
Patent number
7,048,353
Issue date
May 23, 2006
Hewlett-Packard Development Company, L.P.
David J. Waller
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of forming pillars in a fully integrated thermal inkjet prin...
Patent number
6,905,619
Issue date
Jun 14, 2005
Hewlett-Packard Development Company, L.P.
Naoto Kawamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Printhead servicing mechanism and method
Patent number
6,846,060
Issue date
Jan 25, 2005
Hewlett-Packard Development Company
David J. Waller
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Printhead servicing mechanism and method
Patent number
6,843,550
Issue date
Jan 18, 2005
Hewlett-Packard Development Company, L.P.
David J. Waller
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of forming pillars in a fully integrated thermal inkjet prin...
Patent number
6,783,689
Issue date
Aug 31, 2004
Hewlett-Packard Development Company, L.P.
Naoto Kawamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Pen maintenance system and method for operating same
Patent number
6,722,752
Issue date
Apr 20, 2004
Hewlett-Packard Development Company, L.P.
Jeremy A. Davis
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of forming pillars in a fully integrated thermal inkjet prin...
Patent number
6,660,175
Issue date
Dec 9, 2003
Hewlett-Packard Development Company, L.P.
Naoto Kawamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method of forming pillars in a fully integrated thermal inkjet prin...
Patent number
6,641,744
Issue date
Nov 4, 2003
Hewlett-Packard Development Company, L.P.
Naoto Kawamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Snout-encompassing capping system for inkjet printheads
Patent number
6,540,323
Issue date
Apr 1, 2003
Hewlett-Packard Development Company, L.P.
Daniel D. Dowell
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Asymmetric printhead orifice
Patent number
6,527,369
Issue date
Mar 4, 2003
Hewlett-Packard Company
Timothy L. Weber
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink delivery system and method for controlling fluid pressure therein
Patent number
6,428,156
Issue date
Aug 6, 2002
Hewlett-Packard Company
David J. Waller
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and apparatus for improved ink-drop distribution in ink-jet...
Patent number
6,354,694
Issue date
Mar 12, 2002
Hewlett-Packard Company
Timothy L. Weber
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Pillars in a printhead
Patent number
6,309,054
Issue date
Oct 30, 2001
Hewlett-Packard Company
Naoto Kawamura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet printing apparatus with ink manifold
Patent number
6,250,738
Issue date
Jun 26, 2001
Hewlett-Packard Company
David J Waller
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and apparatus for improved ink-drop distribution in inkjet p...
Patent number
6,155,670
Issue date
Dec 5, 2000
Hewlett-Packard Company
Timothy L. Weber
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Fluid jet printhead with integrated heat-sink
Patent number
6,126,276
Issue date
Oct 3, 2000
Hewlett-Packard Company
Colin C. Davis
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and apparatus for improved ink-drop distribution in ink-jet...
Patent number
6,099,108
Issue date
Aug 8, 2000
Hewlett-Packard Company
Timothy L. Weber
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Bubble valving for ink-jet printheads
Patent number
6,003,977
Issue date
Dec 21, 1999
Hewlett-Packard Company
Timothy L. Weber
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Articulated stress relief of an orifice membrane
Patent number
5,988,786
Issue date
Nov 23, 1999
Hewlett-Packard Company
David J. Waller
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Passive pressure regulator for setting the pressure of a liquid to...
Patent number
5,969,736
Issue date
Oct 19, 1999
Hewlett-Packard Company
Leslie A. Field
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
Printing mechanism and method
Publication number
20050179713
Publication date
Aug 18, 2005
David J. Waller
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Printhead servicing mechanism and method
Publication number
20040212656
Publication date
Oct 28, 2004
David J. Waller
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Printhead servicing mechanism and method
Publication number
20040212654
Publication date
Oct 28, 2004
David J. Waller
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Printhead maintenance system
Publication number
20040075702
Publication date
Apr 22, 2004
David J. Waller
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Pen maintenance system and method for operating same
Publication number
20040041872
Publication date
Mar 4, 2004
Jeremy A. Davis
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Pen maintenance system and method for operating same
Publication number
20040041871
Publication date
Mar 4, 2004
Jeremy A. Davis
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Method of forming pillars in a fully integrated thermal inkjet prin...
Publication number
20030034327
Publication date
Feb 20, 2003
Naoto Kawamura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Method of forming pillars in a fully integrated thermal inkjet prin...
Publication number
20020134752
Publication date
Sep 26, 2002
Naoto Kawamura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS