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Da-Ren Chen
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Roseville, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Device with electrospray coating to deliver active ingredients
Patent number
9,642,694
Issue date
May 9, 2017
Regents of The University of Minnesota
Robert A. Hoerr
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
High mass throughput particle generation using multiple nozzle spra...
Patent number
9,050,611
Issue date
Jun 9, 2015
Regents of The University of Minnesota
David Y.H. Pui
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Coating medical devices
Patent number
8,028,646
Issue date
Oct 4, 2011
Regents of the University of Minnesota
David Y. H. Pui
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Electrospraying method with conductivity control
Patent number
7,972,661
Issue date
Jul 5, 2011
Regents of the University of Minnesota
David Y. H. Pui
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Electrospray coating of objects
Patent number
7,951,428
Issue date
May 31, 2011
Regents of the University of Minnesota
Robert A. Hoerr
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
High mass throughput particle generation using multiple nozzle spra...
Patent number
7,498,063
Issue date
Mar 3, 2009
Regents of The University of Minnesota
David Y. H. Pui
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Electrospraying apparatus and method for coating particles
Patent number
7,279,322
Issue date
Oct 9, 2007
Regents of The University of Minnesota
David Y. H. Pui
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Coating medical devices
Patent number
7,247,338
Issue date
Jul 24, 2007
Regents of The University of Minnesota
David Y. H. Pui
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
High mass throughput particle generation using multiple nozzle spra...
Patent number
6,764,720
Issue date
Jul 20, 2004
Regents of The University of Minnesota
David Y.H. Pui
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Electrospraying apparatus and method for coating particles
Patent number
6,746,869
Issue date
Jun 8, 2004
Regents of The University of Minnesota
David Y. H. Pui
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Electrospraying apparatus and method for introducing material into...
Patent number
6,399,362
Issue date
Jun 4, 2002
Regents of The University of Minnesota
David Y. H. Pui
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Instrument for measuring and classifying nanometer aerosols
Patent number
6,230,572
Issue date
May 15, 2001
TSI Incorporated
David Y. H. Pui
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Charged particle neutralizing apparatus and method of neutralizing...
Patent number
6,145,391
Issue date
Nov 14, 2000
Regents of The University of Minnesota
David Y. H. Pui
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Electrospraying apparatus and method for introducing material into...
Patent number
6,093,557
Issue date
Jul 25, 2000
Regents of The University of Minnesota
David Y. H. Pui
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Charged particle neutralizing apparatus and method of neutralizing...
Patent number
5,992,244
Issue date
Nov 30, 1999
Regents of The University of Minnesota
David Y. H. Pui
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Particle charging apparatus and method of charging particles
Patent number
5,973,904
Issue date
Oct 26, 1999
Regents of the University of Minnesota
David Y. H. Pui
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
ELECTROSPRAY COATING OF OBJECTS
Publication number
20150352592
Publication date
Dec 10, 2015
NANOCOPOEIA, INC.
ROBERT A. HOERR
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
ELECTROSPRAY COATING OF OBJECTS
Publication number
20130323403
Publication date
Dec 5, 2013
Regents of the University of Minnesota
ROBERT A. HOERR
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
HIGH MASS THROUGHPUT PARTICLE GENERATION USING MULTIPLE NOZZLE SPRA...
Publication number
20130221139
Publication date
Aug 29, 2013
Regents of the University of Minnesota
David Y.H. Pui
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
ELECTROSPRAY COATING OF OBJECTS
Publication number
20110229627
Publication date
Sep 22, 2011
NANOCOPOEIA, INC.
ROBERT A. HOERR
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
High Mass Throughput Particle Generation Using Multiple Nozzle Spra...
Publication number
20110174902
Publication date
Jul 21, 2011
Regents of the University of Minnesota
David Y.H. Pui
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HIGH MASS THROUGHPUT PARTICLE GENERATION USING MULTIPLE NOZZLE SPRA...
Publication number
20090266924
Publication date
Oct 29, 2009
Regents of the University of Minnesota
David Y.H. Pui
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Electrospraying apparatus and method for coating particles
Publication number
20080141936
Publication date
Jun 19, 2008
Regents of the University of Minnesota
David Y.H. Pui
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Electrospray coating of objects
Publication number
20070199824
Publication date
Aug 30, 2007
Robert A. Hoerr
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Coating medical devices
Publication number
20060177573
Publication date
Aug 10, 2006
Regents of the University of Minnesota
David Y.H. Pui
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
High mass throughput particle generation using multiple nozzle spra...
Publication number
20040241315
Publication date
Dec 2, 2004
Regents of the University of Minnesota
David Y.H. Pui
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Electrospraying apparatus and method for coating particles
Publication number
20040177807
Publication date
Sep 16, 2004
Regents of the University of Minnesota
David Y. H. Pui
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Coating medical devices
Publication number
20030143315
Publication date
Jul 31, 2003
David Y.H. Pui
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Electrospraying apparatus and method for coating particles
Publication number
20020150669
Publication date
Oct 17, 2002
Regents of the University of Minnesota
David Y. H. Pui
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
High mass throughput particle generation using multiple nozzle spra...
Publication number
20020007869
Publication date
Jan 24, 2002
David Y.H. Pui
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...