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Richard Leyden
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Topanga Cannon, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Antimony-free photocurable resin composition and three dimensional...
Patent number
8,334,025
Issue date
Dec 18, 2012
3D Systems, Inc.
John Wai Fong
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Photocurable compositions for preparing ABS-like articles
Patent number
8,227,048
Issue date
Jul 24, 2012
3D Systems, Inc.
Richard N. Leyden
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Photocurable compositions for articles having stable tensile proper...
Patent number
7,718,111
Issue date
May 18, 2010
Huntsman Advanced Materials Americas Inc.
David L. Johnson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Photocurable compositions for articles having stable tensile proper...
Patent number
7,232,850
Issue date
Jun 19, 2007
Huntsman Advanced Materials Americas Inc.
David Johnson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Selective deposition modeling method and apparatus for forming thre...
Patent number
7,077,638
Issue date
Jul 18, 2006
3D Systems, Inc.
Richard N. Leyden
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Selective deposition modeling method and apparatus for forming thre...
Patent number
6,660,209
Issue date
Dec 9, 2003
3D Systems, Inc.
Richard N. Leyden
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Selective deposition modeling method and apparatus for forming thre...
Patent number
6,508,971
Issue date
Jan 21, 2003
3D Systems, Inc.
Richard N. Leyden
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Selective deposition modeling material
Patent number
6,476,122
Issue date
Nov 5, 2002
Vantico Inc.
Richard Noel Leyden
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Selective deposition modeling system and method
Patent number
6,305,769
Issue date
Oct 23, 2001
3D Systems, Inc.
Jeffrey S. Thayer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Selective deposition modeling method and apparatus for forming thre...
Patent number
6,270,335
Issue date
Aug 7, 2001
3D Systems, Inc.
Richard N. Leyden
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of making a three-dimensional object by stereolithography
Patent number
6,264,873
Issue date
Jul 24, 2001
3D Systems, Inc.
John J. Gigl
B44 - DECORATIVE ARTS
Information
Patent Grant
Method of and apparatus for making a three-dimensional object by st...
Patent number
6,261,507
Issue date
Jul 17, 2001
3D Systems, Inc.
John J. Gigl
B44 - DECORATIVE ARTS
Information
Patent Grant
Selective deposition modeling method and apparatus for forming thre...
Patent number
6,193,923
Issue date
Feb 27, 2001
3D Systems, Inc.
Richard N. Leyden
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Selective deposition modeling materials and method
Patent number
6,133,355
Issue date
Oct 17, 2000
3D Systems, Inc.
Richard N. Leyden
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Rapid recoating of three-dimensional objects formed on a cross-sect...
Patent number
5,902,537
Issue date
May 11, 1999
3D Systems, Inc.
Thomas A. Almquist
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for selective deposition modeling
Patent number
5,855,836
Issue date
Jan 5, 1999
3D Systems, Inc.
Richard N. Leyden
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and apparatus for cleaning stereolithographically produced o...
Patent number
5,248,456
Issue date
Sep 28, 1993
3D Systems, Inc.
Herbert E. Evans
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Methods of coating stereolithographic parts
Patent number
5,234,636
Issue date
Aug 10, 1993
3D Systems, Inc.
Charles W. Hull
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Stereolithography method and apparatus
Patent number
5,143,663
Issue date
Sep 1, 1992
3D Systems, Inc.
Richard N. Leyden
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for selectively forming small diameter holes in polyimide/Ke...
Patent number
4,889,585
Issue date
Dec 26, 1989
Hughes Aircraft Company
Richard N. Leyden
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for the photochemical vapor deposition of siloxane polymers
Patent number
4,781,942
Issue date
Nov 1, 1988
Hughes Aircraft Company
Richard N. Leyden
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Methods for selectively removing adhesives from polyimide substrates
Patent number
4,639,290
Issue date
Jan 27, 1987
Hughes Aircraft Company
Richard N. Leyden
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for the photochemical vapor deposition of aromatic polymers
Patent number
4,588,609
Issue date
May 13, 1986
Richard N. Leyden
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Process for the photochemical vapor deposition of hetero-linked pol...
Patent number
4,547,395
Issue date
Oct 15, 1985
Hughes Aircraft Company
James T. Hall
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
PHOTOCURABLE COMPOSITIONS FOR PREPARING ABS-LIKE ARTICLES
Publication number
20110293891
Publication date
Dec 1, 2011
Huntsman International LLC
Richard N. Leyden
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ANTIMONY-FREE PHOTOCURABLE RESIN COMPOSITION AND THREE DIMENSIONAL...
Publication number
20100015408
Publication date
Jan 21, 2010
Huntsman International LLC
John Wai Fong
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Photocurable compositions for articles having stable tensile proper...
Publication number
20070256781
Publication date
Nov 8, 2007
Huntsman Advanced Materials Americas Inc.
David L. Johnson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Liquid radiation-curable composition, especially for stereolithography
Publication number
20050228064
Publication date
Oct 13, 2005
Huntsman Advanced Materials Americas Inc.
David L. Johnson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Photocurable compositions for articles having stable tensile proper...
Publication number
20050072519
Publication date
Apr 7, 2005
David Johnson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Selective deposition modeling method and apparatus for forming thre...
Publication number
20040075196
Publication date
Apr 22, 2004
3D Systems, Inc.
Richard N. Leyden
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Water-based material systems and methods for 3D printing
Publication number
20040038009
Publication date
Feb 26, 2004
Richard Noel Leyden
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Selective deposition modeling method and apparatus for forming thre...
Publication number
20020011693
Publication date
Jan 31, 2002
3D Systems, Inc.
Richard N. Leyden
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Selective deposition modeling method and apparatus for forming thre...
Publication number
20020008335
Publication date
Jan 24, 2002
3D Systems, Inc.
Richard N. Leyden
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Liquid, radiation-curable composition, especially for stereolithogr...
Publication number
20010046642
Publication date
Nov 29, 2001
David L. Johnson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
SELECTIVE DEPOSITION MODELING METHOD AND APPARATUS FOR FORMING THRE...
Publication number
20010003004
Publication date
Jun 7, 2001
RICHARD N. LEYDEN
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL