Patents
Patent data provided by The
European Patent Office
and updated through early 2009. Full text patent data loaded weekly coming soon.
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US2006081239 (A1), filed
Mar 02, 2005
, published
Apr 20, 2006
- YANG XIAOFENG
A drop ejection device for use in a handheld inhaler is fabricated with a thin passivation layer and thin or no metal anti-cavitation layers above underlying heat transducers to provide protection for the heat transducers. A control system energizes selected...
US2006243387 (A1), filed
Jun 30, 2006
, published
Nov 02, 2006
- SCHULTE DONALD W
A drop generator includes a substrate, and a mandrel that is disposed on the substrate for shaping the drop generator chamber. The mandrel is covered by the orifice member and thereafter removed.
US2006060191 (A1), filed
Sep 17, 2004
, published
Mar 23, 2006
- YANG XIAOFENG
A silicon die having an orifice layer with plural openings formed therein defines a drop ejection device for use in a handheld inhaler. An underlying control layer defines fluid chambers, each carrying a heat transducer. A control system energizes selected...
US5560837 (A), filed
Nov 08, 1994
, published
Oct 01, 1996
- HEWLETT PACKARD CO
A process for fabricating a thin-film structure using a transparent substrate is disclosed. A first structure, such as a ring having a central pillar, is formed of a conductive material on a surface of the substrate. A photoresist material pillar is formed on...
US2003081072 (A1), filed
Oct 31, 2001
, published
May 01, 2003
A thermal-type drop generator for ejecting droplets of liquid having ultra-small volumes. In one embodiment the drop generator includes a chamber defined in part by an orifice member. The chamber is supported by a rigid substrate. Removable material is used in...
US6684880 (B2), filed
Dec 04, 2001
, published
Feb 03, 2004
- HEWLETT PACKARD DEVELOPMENT CO
An applicator for delivering a bioactive composition includes a jet dispenser having an orifice for ejection of droplets from the dispenser. The jet dispenser further includes a main body. At least partially insertable through the main body is a replaceable...
US7198044 (B2), filed
Oct 29, 2003
, published
Apr 03, 2007
- HEWLETT PACKARD DEVELOPMENT CO
Bioactive agents are topically administered or delivered to a mucous membrane by a jet dispenser using inkjet technology, such as that used in printing. The dispenser propels precise volumes of droplets or powder for administration to a subject, such as being...
US2003101991 (A1), filed
Dec 04, 2001
, published
Jun 05, 2003
An applicator for delivering a bioactive composition includes a jet dispenser having an orifice for ejection of droplets from the dispenser. The jet dispenser further includes a main body. At least partially insertable through the main body is a replaceable...
US2004107961 (A1), filed
Oct 29, 2003
, published
Jun 10, 2004
Bioactive agents are topically administered or delivered to a mucous membrane by a jet dispenser using inkjet technology, such as that used in printing. The dispenser propels precise volumes of droplets or powder for administration to a subject, such as being...
US2006217457 (A1), filed
Mar 22, 2006
, published
Sep 28, 2006
- IMTECH INC
A curable printing fluid composition for a thermal fluid ejection device is disclosed, wherein the printing fluid composition comprises a curable liquid-phase monomer, a volatile driver fluid capable of being vaporized by a thermal fluid ejection printhead,...
US6017117 (A), filed
Oct 31, 1995
, published
Jan 25, 2000
- HEWLETT PACKARD CO
A printhead for an inkjet printer employs an integral pump disposed in an ink feed channel, input well, or output well to circulate ink to the ink expulsion chambers in the printhead.
US5167776 (A), filed
Apr 16, 1991
, published
Dec 01, 1992
- HEWLETT PACKARD CO
US5369428 (A), filed
Jun 15, 1992
, published
Nov 29, 1994
- HEWLETT PACKARD CORP
Ink jet print quality is improved and higher pen speed permitted by a bidirectional printing protocol. According to the new protocol, each individual character to be printed is first partitioned into a leading portion and a trailing portion. The trailing...
US6227660 (B1), filed
Sep 02, 1999
, published
May 08, 2001
- HEWLETT PACKARD CO
A printhead for an inkjet printer employs an integral pump disposed in an ink feed channel, input well, or output well to circulate ink to the ink expulsion chambers in the printhead.
US2005145715 (A1), filed
Dec 31, 2003
, published
Jul 07, 2005
A drop ejector for ejecting discrete drops of liquid is disclosed. The drop ejector includes a plurality of firing chambers, and each firing chamber has an energy dissipation device. Each firing chamber is associated with a fluid feed slot configured to supply...
