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Inventor

Richard N. Leyden

Inventor
Topanga, CA, US

Overview

24→
Patents
1985–2012
Patent span
Performing operations
Primary field (CPC B)

Patents· 24 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B33Yprimary
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering21%
B29CShaping or joining of plastics20%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices9%
Y10TTechnical subjects covered by former us classification7%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
B05DProcesses for applying fluent materials to surfaces, in general4%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
H05KPrinted circuits3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
B44BMachines, apparatus or tools for artistic work, e.g. for sculpturing, guilloching, carving, branding, inlaying2%
PatentTitleYear
8,334,025'Antimony-free photocurable resin composition and three dimensional article'20128,227,048'Photocurable compositions for preparing ABS-like articles'20127,718,111'Photocurable compositions for articles having stable tensile properties'20107,232,850'Photocurable compositions for articles having stable tensile properties'20077,077,638'Selective deposition modeling method and apparatus for forming three-dimensional objects and supports'20066,660,209'Selective deposition modeling method and apparatus for forming three-dimensional objects and supports'20036,508,971'Selective deposition modeling method and apparatus for forming three-dimensional objects and supports'20036,476,122'Selective deposition modeling material'20026,305,769'Selective deposition modeling system and method'20016,270,335'Selective deposition modeling method and apparatus for forming three-dimensional objects and supports'20016,264,873'Method of making a three-dimensional object by stereolithography'20016,261,507'Method of and apparatus for making a three-dimensional object by stereolithography'20016,193,923'Selective deposition modeling method and apparatus for forming three-dimensional objects and supports'20016,133,355'Selective deposition modeling materials and method'20005,902,537'Rapid recoating of three-dimensional objects formed on a cross-sectional basis'19995,855,836'Method for selective deposition modeling'19995,248,456'Method and apparatus for cleaning stereolithographically produced objects'19935,234,636'Methods of coating stereolithographic parts'19935,143,663'Stereolithography method and apparatus'19924,889,585'Method for selectively forming small diameter holes in polyimide/Kevlar substrates'19894,781,942'Process for the photochemical vapor deposition of siloxane polymers'19884,639,290'Methods for selectively removing adhesives from polyimide substrates'19874,588,609'Process for the photochemical vapor deposition of aromatic polymers'19864,547,395'Process for the photochemical vapor deposition of hetero-linked polymers'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1989Patents assigned to HUGHES AIRCRAFT CO (4)· patent assignee history
1985–2012Based in Topanga, CA, US· patent location history
1986–2012Patents assigned to LEYDEN RICHARD N (3)· patent assignee history
1992–2012Patents assigned to 3D SYSTEMS INC (16)· patent assignee history
2012Patents assigned to CHAPELAT CAROLE (2)· patent assignee history
2012Patents assigned to FONG JOHN WAI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3D SYSTEMS INC161992–2012
HUGHES AIRCRAFT CO41985–1989
LEYDEN RICHARD Nself31986–2012
CHAPELAT CAROLE22012
FONG JOHN WAI22012
Locations
LocationPatentsSpan
Topanga, California, US241985–2012