Patents by Inventor Robert Ashton Murphy

Robert Ashton Murphy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • SCOPE WARMING DEVICE
    Publication number: 20180310816
    Abstract: A warming device (30) for warming the lens portion (2) of an optical instrument (I), such as a laparoscope, to a temperature above ambient to prevent lens fogging comprising: a double walled cylindrical tube (3) having an intemal wall (3b), and an external wall (3a), an upper surface and an open distal portion (7) with a central cavity (4) therebetween; a protrusion (9) extending from said upper surface, sized and shaped to receive the lens portion; a circular cap (5) sized to attach to said distal portion of said double walled cylindrical tube; and, a heating element (15) enclosed within said central cavity and thermally coupled to said insulation layer.
    Type: Application
    Filed: April 30, 2018
    Publication date: November 1, 2018
    Inventors: Michael Joseph Blackhurst, Laurence Gulliver, Robert Ashton Murphy
  • Scope warming device
    Patent number: 9993146
    Abstract: A warming device (30) for warming the lens portion (2) of an optical instrument (I), such as a laparoscope, to a temperature above ambient to prevent lens fogging comprising: a double walled cylindrical tube (3) having an intemal wall (3b), and an external wall (3a), an upper surface and an open distal portion (7) with a central cavity (4) therebetween; a protrusion (9) extending from said upper surface, sized and shaped to receive the lens portion; a circular cap (5) sized to attach to said distal portion of said double walled cylindrical tube; and, a heating element (15) enclosed within said central cavity and thermally coupled to said insulation layer.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: June 12, 2018
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Michael Joseph Blackhurst, Laurence Gulliver, Robert Ashton Murphy
  • SCOPE WARMING DEVICE
    Publication number: 20150282700
    Abstract: A warming device (30) for warming the lens portion (2) of an optical instrument (I), such as a laparoscope, to a temperature above ambient to prevent lens fogging comprising: a double walled cylindrical tube (3) having an intemal wall (3b), and an external wall (3a), an upper surface and an open distal portion (7) with a central cavity (4) therebetween; a protrusion (9) extending from said upper surface, sized and shaped to receive the lens portion; a circular cap (5) sized to attach to said distal portion of said double walled cylindrical tube; and, a heating element (15) enclosed within said central cavity and thermally coupled to said insulation layer.
    Type: Application
    Filed: June 22, 2015
    Publication date: October 8, 2015
    Inventors: Michael Joseph Blackhurst, Laurence Gulliver, Robert Ashton Murphy
  • Scope warming device with whitening element
    Patent number: 9060676
    Abstract: A warming device (30) for warming the lens portion (2) of an optical instrument (1), such as a laparoscope, to a temperature above ambient to prevent lens fogging comprising: a double walled cylindrical tube (3) having an internal wall (3b), and an external wall (3a), an upper surface and an open distal portion (7) with a central cavity (4) therebetween; a protrusion (9) extending from said upper surface, sized and shaped to receive the lens portion; a circular cap (5) sized to attach to said distal portion of said double walled cylindrical tube; and, a heating element (15) enclosed within said central cavity and thermally coupled to said insulation layer.
    Type: Grant
    Filed: April 5, 2005
    Date of Patent: June 23, 2015
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Michael Joseph Blackhurst, Laurence Gulliver, Robert Ashton Murphy
  • Scope Warming Device
    Publication number: 20080194915
    Abstract: A warming device (30) for warming the lens portion (2) of an optical instrument (1), such as a laparoscope, to a temperature above ambient to prevent lens fogging comprising: a double walled cylindrical tube (3) having an internal wall (3b), and an external wall (3a), an upper surface and an open distal portion (7) with a central cavity (4) therebetween; a protrusion (9) extending from said upper surface, sized and shaped to receive the lens portion; a circular cap (5) sized to attach to said distal portion of said double walled cylindrical tube; and, a heating element (15) enclosed within said central cavity and thermally coupled to said insulation layer
    Type: Application
    Filed: April 5, 2005
    Publication date: August 14, 2008
    Inventors: Michael Joseph Blackhurst, Laurence Gulliver, Robert Ashton Murphy