US Patent No: 4,323,756

Number of patents in Portfolio can not be more than 2000

Method for fabricating articles by sequential layer deposition

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Abstract

A method is described for the production of bulk rapidly solidified metallic articles of near-net shape, by depositing multiple thin layers of feedstock using an energy beam to fuse each layer onto a substrate. The feedstock may be in the form of metal powder or wire. Different finished geometries are also described.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
UNITED TECHNOLOGIES CORPORATIONHARTFORD, CT5839

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Breinan, Edward M Glastonbury, CT 1 140
Brown, Clyde O New Britain, CT 7 199
Kear, Bernard H Whitehouse Station, NJ 48 784

Cited Art Landscape

Patent Info (Count) # Cites Year
 
UNITED TECHNOLOGIES CORPORATION (1)
4,270,675 Powder feed apparatus 26 1979

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM (21)
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5,017,753 Method and apparatus for producing parts by selective sintering 127 1990
5,053,090 Selective laser sintering with assisted powder handling 87 1990
5,076,869 Multiple material systems for selective beam sintering 114 1990
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5,147,587 Method of producing parts and molds using composite ceramic powders 75 1991
5,135,695 Positioning, focusing and monitoring of gas phase selective beam deposition 30 1991
5,182,170 Method of producing parts by selective beam interaction of powder with gas phase reactant 89 1991
5,316,580 Method and apparatus for producing parts by selective sintering 81 1992
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5,306,447 Method and apparatus for direct use of low pressure vapor from liquid or solid precursors for selected area laser deposition 35 1992
5,382,308 Multiple material systems for selective beam sintering 60 1994
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5,639,070 Method for producing parts by selective sintering 57 1995
5,616,294 Method for producing parts by infiltration of porous intermediate parts 56 1995
6,676,892 Direct selective laser sintering of metals 22 2001
 
OPTOMEC DESIGN COMPANY (16)
5,993,554 Multiple beams and nozzles to increase deposition rate 23 1998
6,268,584 Multiple beams and nozzles to increase deposition rate 112 1998
6,251,488 Precision spray processes for direct write electronic components 148 1999
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6,656,409 Manufacturable geometries for thermal management of complex three-dimensional shapes 22 2000
7,108,894 Direct Write.TM. System 11 2002
6,811,744 Forming structures from CAD solid models 24 2002
7,045,015 Apparatuses and method for maskless mesoscale material deposition 51 2003
7,270,844 Direct write.TM. system 10 2004
7,294,366 Laser processing for heat-sensitive mesoscale deposition 22 2004
7,938,079 Annular aerosol jet deposition using an extended nozzle 0 2004
7,938,341 Miniature aerosol jet and aerosol jet array 1 2005
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7,485,345 Apparatuses and methods for maskless mesoscale material deposition 15 2005
8,110,247 Laser processing for heat-sensitive mesoscale deposition of oxygen-sensitive materials 0 2006
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GENERAL ELECTRIC COMPANY (8)
4,743,733 Method and apparatus for repairing metal in an article 54 1984
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5,245,155 Single point powder feed nozzle for use in laser welding 30 1992
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OPTOMEC, INC. (6)
7,879,394 Deep deposition head 0 2007
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DM3D TECHNOLOGY, LLC (5)
6,410,105 Production of overhang, undercut, and cavity structures using direct metal depostion 10 2000
7,286,893 Tailoring residual stress and hardness during direct metal deposition 4 2000
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UNITED TECHNOLOGIES CORPORATION (5)
4,451,299 High temperature coatings by surface melting 15 1982
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CUBIC TECHNOLOGIES, INC. (4)
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Electric Power Research Institute, Inc. (4)
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SANDIA CORPORATION (4)
6,046,426 Method and system for producing complex-shape objects 72 1996
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ALSTOM TECHNOLOGY LTD (3)
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LOS ALAMOS NATIONAL SECURITY, LLC (3)
5,961,862 Deposition head for laser 15 1995
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MEDICINELODGE, INC. (3)
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Alvord-Polk, Inc. (2)
6,146,476 Laser-clad composite cutting tool and method 11 1999
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BERNAL, INC. (2)
7,827,883 Cutting die and method of forming 0 1998
RE37366 Method of making rotary cutting dies 11 1998
 
CASE WESTERN RESERVE UNIVERSITY (2)
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EOS GMBH ELECTRO OPTICAL SYSTEMS (2)
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LOCKHEED MARTIN CORPORATION (2)
7,093,542 Warhead with integral, direct-manufactured features 1 2004
8,513,562 Method and system for hybrid direct manufacturing 0 2011
 
MICROELECTRONICS AND COMPUTER TECHNOLOGY CORPORATION (2)
5,314,003 Three-dimensional metal fabrication using a laser 27 1991
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P.O.M. GROUP, THE (2)
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Quantum Laser Corporation (2)
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Westinghouse Electric Corp. (2)
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3D SYSTEMS, INC. (1)
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AEROJET ROCKETDYNE, INC. (1)
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AVIOPROP S.R.L. (1)
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Creusot-Loire (1)
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Ministry of International Trade & Industry (1)
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NORTH STAR POWER ENGINEERING, INC. (1)
6,537,052 Method and apparatus for high speed electron beam rapid prototyping 1 1999
 
POM GROUP, THE (1)
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Precision Optical Manufacturing (POM) (1)
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ROLLS-ROYCE CORPORATION (1)
5,312,584 Moldless/coreless single crystal castings of nickel-aluminide 17 1992
 
ROLLS-ROYCE PLC (1)
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SAMSUNG DISPLAY CO., LTD. (1)
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SAMSUNG DISPLAY DEVICES CO., LTD. (1)
6,270,388 Method for fabricating partition of plasma display panel 2 1999
 
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SNECMA (1)
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Other [Check patent profile for assignment information] (8)
5,578,227 Rapid prototyping system 46 1993
6,144,008 Rapid manufacturing system for metal, metal matrix composite materials and ceramics 24 1996
5,980,812 Solid imaging process using component homogenization 8 1997
6,441,338 Rapid manufacturing of steel rule dies and other 3-dimensional products, apparatus, process and products 14 2000
6,459,069 Rapid manufacturing system for metal, metal matrix composite materials and ceramics 5 2000
6,518,541 Duty cycle stabilization in direct metal deposition (DMD) systems 3 2000
7,139,633 Method of fabricating composite tooling using closed-loop direct-metal deposition 7 2003
8,334,475 Process for energy beam solid-state metallurgical bonding of wires having two or more flat surfaces 0 2009