Cheng Han Wu

US Patent:

6467476, Oct 22, 2002

Filed:

May 18, 2000

Appl. No.:

09/574168

Inventors:

Yehuda Ivri - Irvine CA
Cheng H. Wu - Sunnyvale CA

Assignee:

Aerogen, Inc. - Sunnyvale CA

International Classification:

A61M 1600

US Classification:

12820016, 12820312

Abstract:

The invention provides methods and apparatus for nebulizing liquids. In one exemplary embodiment, an apparatus is provided which comprises a thin shell member having a front surface, a rear surface, and a plurality of apertures extending therebetween. The apertures are tapered to narrow from the rear surface to the front surface. A liquid supplier is further provided which delivers a predetermined unit volume of liquid to the rear surface. A vibrator vibrates the thin shell member to eject liquid droplets from the front surface of the thin shell member.

US Patent:

6640804, Nov 4, 2003

Filed:

Aug 15, 2002

Appl. No.:

10/222178

Inventors:

Yehuda Ivri - Irvine CA
Cheng H. Wu - Sunnyvale CA

Assignee:

Aerogen, Inc. - Mountain View CA

International Classification:

A61M 1600

US Classification:

12820016, 12820312

Abstract:

The invention provides methods and apparatus for nebulizing liquids. In one exemplary embodiment, an apparatus is provided which comprises a thin shell member having a front surface, a rear surface, and a plurality of apertures extending therebetween. The apertures are tapered to narrow from the rear surface to the front surface. A liquid supplier is further provided which delivers a predetermined unit volume of liquid to the rear surface. A vibrator vibrates the thin shell member to eject liquid droplets from the front surface of the thin shell member.

US Patent:

6755189, Jun 29, 2004

Filed:

May 18, 1999

Appl. No.:

09/313914

Inventors:

Yehuda Ivri - Irvine CA
Linda R. De Young - El Granada CA
Cheng H. Wu - Sunnyvale CA
Miro S. Cater - Daytona Beach FL
Vijay Kumar - Sunnyvale CA
Markus Flierl - Sunnyvale CA

Assignee:

Aerogen, Inc. - Mountain View CA

International Classification:

B05B 1706

US Classification:

12820016, 12820014

Abstract:

The invention provides exemplary aerosolization apparatus and methods for aerosolizing a substance. According to one exemplary method, a liquid is transferred from a first chamber into a second chamber having a substance that is in a dry state to form a solution. The solution is then transferred from the second chamber and onto an atomization member. The atomization member is operated to aerosolize the solution.

US Patent:

7174888, Feb 13, 2007

Filed:

Sep 5, 2003

Appl. No.:

10/655642

Inventors:

Yehuda Ivri - Irvine CA, US
Cheng Wu - Sunnyvale CA, US

Assignee:

Aerogen, Inc. - San Carlos CA

International Classification:

A61M 16/00

US Classification:

12820016, 12820312

Abstract:

The invention provides methods and apparatus for nebulizing liquids. In one exemplary embodiment, an apparatus is provided which comprises a thin shell member having a front surface, a rear surface, and a plurality of apertures extending therebetween. The apertures are tapered to narrow from the rear surface to the front surface. A liquid supplier is further provided which delivers a predetermined unit volume of liquid to the rear surface. A vibrator vibrates the thin shell member to eject liquid droplets from the front surface of the thin shell member.

US Patent:

8561604, Oct 22, 2013

Filed:

Feb 12, 2007

Appl. No.:

11/674089

Inventors:

Yehuda Ivri - Irvine CA, US
Cheng H. Wu - Sunnyvale CA, US

Assignee:

Novartis AG - Basel

International Classification:

B05B 17/06

US Classification:

12820016, 12820014, 12820312

Abstract:

The invention provides methods and apparatus for nebulizing liquids. In one exemplary embodiment, an apparatus is provided which comprises a thin shell member having a front surface, a rear surface, and a plurality of apertures extending therebetween. The apertures are tapered to narrow from the rear surface to the front surface. A liquid supplier is further provided which delivers a predetermined unit volume of liquid to the rear surface. A vibrator vibrates the thin shell member to eject liquid droplets from the front surface of the thin shell member.

US Patent:

8578931, Nov 12, 2013

Filed:

Apr 18, 2000

Appl. No.:

09/551408

Inventors:

Yehuda Ivri - Irvine CA, US
Linda R. De Young - El Granada CA, US
Cheng H. Wu - Sunnyvale CA, US
Miro S. Cater - Daytona Beach FL, US
Vijay Kumar - Sunnyvale CA, US
Markus Flierl - Sunnyvale CA, US

Assignee:

Novartis AG - Basel

International Classification:

A61M 15/00
B05B 17/06
B05B 5/00

US Classification:

12820016, 12820014, 12820018, 239696, 604 92

Abstract:

The invention provides exemplary aerosolization apparatus and methods for aerosolizing a substance. According to one exemplary method, a liquid is transferred from a first chamber into a second chamber having a substance that is in a dry state to form a solution. The solution is then transferred from the second chamber and onto an atomization member. The atomization member is operated to aerosolize the solution.

US Patent:

62059998, Mar 27, 2001

Filed:

Sep 8, 1998

Appl. No.:

9/149426

Inventors:

Yehuda Ivri - Irvine CA
Linda R. De Young - El Granda CA
Cheng H. Wu - Sunnyvale CA
Miro S. Cater - Daytona Beach FL
Vijay Kumar - Sunnyvale CA
Markus Flierl - Sunnyvale CA

Assignee:

Aerogen, Inc. - Sunnyvale CA

International Classification:

A61M11/00

US Classification:

12820022

Abstract:

The invention provides exemplary aerosolization apparatus and methods for aerosolizing a substance. According to one exemplary method, a liquid is transferred from a first chamber into a second chamber having a substance that is in a dry state to form a solution. The solution is then transferred from the second chamber and onto an atomization member. The atomization member is operated to aerosolize the solution.

US Patent:

60149701, Jan 18, 2000

Filed:

Jun 11, 1998

Appl. No.:

9/095737

Inventors:

Yehuda Ivri - Irvine CA
Linda R. De Young - El Granada CA
Cheng H. Wu - Sunnyvale CA
Miro S. Cater - Daytona Beach FL
Vijay Kumar - Sunnyvale CA
Markus Flierl - Sunnyvale CA

Assignee:

Aerogen, Inc. - Sunnyvale CA

International Classification:

A61M 1100

US Classification:

12820016

Abstract:

The invention provides exemplary aerosolization apparatus and methods for aerosolizing a substance. According to one exemplary method, a cartridge is coupled to a liquid dispenser and includes a substance which is in a dry state. A liquid is dispensed from the dispenser into the cartridge so that the substance may be dissolved into the dispensed liquid to form a solution. The solution is then transferred from the cartridge and onto an atomization member which is operated to aerosolize the solution.

Author:

Cheng Y. Wu

ISBN #:

0387607218

Author:

Cheng Y. Wu

ISBN #:

3540607218