David Keller

Person

Newtown, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for the electrostatic detection and identificatio...
- Patent number 7,471,387
- Issue date Dec 30, 2008
- Patrick J. Treado
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for airborne particle sorting
- Patent number 7,416,902
- Issue date Aug 26, 2008
- Sarnoff Corporation
- Timothy Allen Pletcher
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Corona charging device and methods
- Patent number 7,130,178
- Issue date Oct 31, 2006
- Sarnoff Corporation
- Timothy Allen Pletcher
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Electrostatic sensing chuck using area matched electrodes
- Patent number 6,724,609
- Issue date Apr 20, 2004
- Delsys Pharmaceutical Corporation
- Hoi Cheong Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Methods using dry powder deposition apparatuses
- Patent number 6,720,024
- Issue date Apr 13, 2004
- Delsys Pharmaceutical Corporation
- Eugene Samuel Poliniak
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Article comprising a diffuser with flow control features
- Patent number 6,578,607
- Issue date Jun 17, 2003
- Delsys Pharmaceutical Corp.
- Kerry Dennis O'Mara
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Methods using dry powder deposition apparatuses
- Patent number 6,511,712
- Issue date Jan 28, 2003
- Delsys Pharmaceutical
- Eugene Samuel Poliniak
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Article comprising a diffuser with flow control features
- Patent number 6,444,033
- Issue date Sep 3, 2002
- Delsys Pharmaceutical Corp.
- Kerry Dennis O'Mara
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Electrostatic sensing chuck using area matched electrodes
- Patent number 6,370,005
- Issue date Apr 9, 2002
- Delsys Pharmaceutical Corporation
- Hoi Cheong Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pharmaceutical product
- Patent number 6,303,143
- Issue date Oct 16, 2001
- Sarnoff Corporation
- Suggy S. Chrai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dry powder deposition apparatus
- Patent number 6,063,194
- Issue date May 16, 2000
- Delsys Pharmaceutical Corporation
- Eugene Samuel Poliniak
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Stabilized lightweight equipment transport system
- Patent number 5,974,978
- Issue date Nov 2, 1999
- Gerrett W. Brown
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Stabilized lightweight equipment transport system
- Patent number 5,784,966
- Issue date Jul 28, 1998
- Brown; Garrett W.
- Garrett W. Brown
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus for the automated processing of bulk mail having varied c...
- Patent number 5,651,445
- Issue date Jul 29, 1997
- Opex Corporation
- Albert F. Stevens
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Apparatus for the automated processing of bulk mail having varied c...
- Patent number 5,460,273
- Issue date Oct 24, 1995
- Opex Corporation
- Albert F. Stevens
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR THE ELECTROSTATIC DETECTION AND IDENTIFICATIO...
- Publication number 20090002698
- Publication date Jan 1, 2009
- Patrick J. Treado
- G01 - MEASURING TESTING
Information Patent Application
Method and apparatus for airborne particle concentration and collec...
- Publication number 20070234901
- Publication date Oct 11, 2007
- Timothy A. Pletcher
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
Air purification system and method
- Publication number 20070122320
- Publication date May 31, 2007
- Timothy Allen Pletcher
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
Method and apparatus for airborne particle sorting
- Publication number 20050105079
- Publication date May 19, 2005
- Timothy Allen Pletcher
- G01 - MEASURING TESTING
Information Patent Application
Corona charging device and methods
- Publication number 20040179322
- Publication date Sep 16, 2004
- Sarnoff Corporation Delsys Pharmaceutical
- Timothy Allen Pletcher
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Device for delivering charged powder for deposition
- Publication number 20030200922
- Publication date Oct 30, 2003
- Delsys Pharmaceutical Corporation
- George R. Pawlo
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Methods using dry powder deposition apparatuses
- Publication number 20030113474
- Publication date Jun 19, 2003
- Eugene Samuel Poliniak
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Device for the dispersal and charging of fluidized powder
- Publication number 20030025014
- Publication date Feb 6, 2003
- Hoi Cheong Sun
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Electrostatic sensing chuck using area matched electrodes
- Publication number 20020167780
- Publication date Nov 14, 2002
- Hoi Cheong Sun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Article comprising a diffuser with flow control features
- Publication number 20020092470
- Publication date Jul 18, 2002
- Kerry Dennis O'Mara
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Pharmaceutical product and method of making
- Publication number 20010033863
- Publication date Oct 25, 2001
- Delsys Pharmaceutical Corporation
- Suggy S. Chrai
- G01 - MEASURING TESTING

David Keller

Person

Patents Grantslast 30 patents

System and method for the electrostatic detection and identificatio...

Method and apparatus for airborne particle sorting

Corona charging device and methods

Electrostatic sensing chuck using area matched electrodes

Methods using dry powder deposition apparatuses

Article comprising a diffuser with flow control features

Methods using dry powder deposition apparatuses

Article comprising a diffuser with flow control features

Electrostatic sensing chuck using area matched electrodes

Pharmaceutical product

Dry powder deposition apparatus

Stabilized lightweight equipment transport system

Stabilized lightweight equipment transport system

Apparatus for the automated processing of bulk mail having varied c...

Apparatus for the automated processing of bulk mail having varied c...

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR THE ELECTROSTATIC DETECTION AND IDENTIFICATIO...

Method and apparatus for airborne particle concentration and collec...

Air purification system and method

Method and apparatus for airborne particle sorting

Corona charging device and methods

Device for delivering charged powder for deposition

Methods using dry powder deposition apparatuses

Device for the dispersal and charging of fluidized powder

Electrostatic sensing chuck using area matched electrodes

Article comprising a diffuser with flow control features

Pharmaceutical product and method of making