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Jin Woo Cheon, Jong Il Park: Method for synthesis of core-shell type and solid solution alloy type metallic nanoparticles via transmetalation reactions and applications of same. Korea Advanced Institute of Science and Technology, Paul L Hickman, David B Dort, Perkins Coie, August 31, 2004: US06783569 (79 worldwide citation)

Disclosed is a method for producing core-shell type metallic nanoparticles involving (i) providing a dispersion of a first metal as nanoparticles in an appropriate organic solvent; (ii) providing a solution of a metallic precursor containing a second metal in an appropriate organic solvent, in which ...


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Paul Douglas Cochrane: Three-dimensional configurations providing electromagnetic interference shielding for electronics enclosures. Stealthdrive, Stealthdrive, David B Dort, March 11, 2008: US07342184 (10 worldwide citation)

The present invention provides a configuration of a computer-chassis containment or other electromagnetic device method for manufacture in which a “one-hit” solution may be implemented to provide adequate electromagnetic interference shielding (EMC shielding) and is configured such that shielding ga ...


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Christopher J Bayne, Stephen Barker: Ergonomically improved rowing motion-propelled convertible wheelchair using retractible fifth wheel. Christopher Bayne, Dort Patent P C, David B Dort, September 8, 2009: US07584976 (8 worldwide citation)

The Trike's unique power source is provided by a rowing-type motion of the user rather than the less efficient “hand rim” grip or wrist propulsion. The rowing motion significantly reduces the chances for repetitive stress injuries, like carpal tunnel. Furthermore, the rowing motion and movements, ar ...


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Paul Douglas Cochrane: Vibration and shock control protective enclosures for hard disk drives and arrays thereof. Stealthdrive, David B Dort, Stealthdrive, February 14, 2012: US08116076 (8 worldwide citation)

The present invention includes several hard disk drive (HDD) enclosures that use pre-stressed polymer compression members to provide integral vibration shock and acoustic noise dampening and isolation. The vibration dampening system has springs of polymeric material located between outer surfaces an ...


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Corrado Carretti, Roberto M Caloi, Marco Amiotti: Nonevaporable getter system for plasma flat panel display. Saes Getters S p A, David B Dort, Paul Hickman, Perkins Coie, October 29, 2002: US06472819 (8 worldwide citation)

A getter system for plasma flat panel displays is disclosed. In a plasma flat panel display having front and rear panels sealingly joined together at peripheral edges thereof to define an inner space and a plurality of walls disposed within the inner space, the walls defining a series of substantial ...


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Paul Douglas Cochrane: EMI-shielding solutions for computer enclosures using combinations of two and three-dimensional shapes formed in sheet metal. Stealthdrive, David B Dort, Stealthdrive, October 18, 2011: US08039763 (8 worldwide citation)

The present invention provides a configuration of a computer-chassis containment or other electromagnetic device method for manufacture in which a “one-hit” solution may be implemented to provide adequate electromagnetic interference shielding (EMC shielding) and is configured such that shielding ga ...


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Giorgio Vergani, Marco Succi, Carolina Solcia: Getter materials for deoxygenating ammonia/oxygen gas mixtures at low temperature. Paul L Hickman, David B Dort, Perkins Coie, August 17, 2004: US06776970 (4 worldwide citation)

A method for removing oxygen from ammonia at low temperature is described. In one embodiment, oxygen contaminated ammonia is contacted with a getter material that includes iron and manganese that sorbs oxygen to yield ammonia that is substantially oxygen free. In one embodiment, the process of conta ...


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Andrea Conte, Marco Moraja: Porous getter devices with reduced particle loss and method for manufacturing same. SAES Getters S p A, Paul L Hickman, David B Dort, Perkins Coie, August 31, 2004: US06783696 (4 worldwide citation)

A method for reducing the loss of particles from the surface of porous getter bodies is taught herein. The method consists in producing on the surface of the porous getter a thin layer of a metal or metal alloy with a deposition technique selected among the deposition of materials from arc generated ...


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Norman Gerkinsmeyer: Membrane having a multipart structure. Norman Gerkinsmeyer, David B Dort, Dort Patent P C, July 30, 2013: US08496086 (3 worldwide citation)

The invention relates to a composition of a speaker membrane, consisting at minimum of the following layering sequence: a first cover layer (3) made of a plastic, a first adhesive layer (2), and a first layer (4) manufactured from a non-woven material (fleece) made of fibers.