Patents by Inventor Robert W. Hallock

Robert W. Hallock 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).

  • Patent number: 9291296
    Abstract: A device for minimizing the blowback of carbon dioxide snow. Device includes a relatively planar body that includes an aperture for receiving a discharge horn. The discharge horn capable of being connected to a source of carbon dioxide and has an open bottom end for discharging solid carbon dioxide snow through the planar body into a container. The planar body further covering and opening to the container that is to receive the solid carbon dioxide snow with the planar body preventing blowback of solid carbon dioxide snow received into the container from exiting the container. In other words, the planar body acts as a shield against blowback of carbon dioxide snow as device is depositing same in the container.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: March 22, 2016
    Assignee: Polar Tech Industries, Inc.
    Inventors: Robert B. Evans, Robert W. Hallock
  • Publication number: 20140217108
    Abstract: A stand for a hand-operated carbon dioxide discharge horn. The stand can retain the hand-operated carbon dioxide discharge horn without having to be stored near the compressed gas source. The stand also includes a protrusion for storing an accessory associated with the hand-operated carbon dioxide discharge horn. Also disclosed is a kit containing a stand, hand-operated carbon dioxide discharge horn and an accessory for hand-operated discharge horn.
    Type: Application
    Filed: February 6, 2013
    Publication date: August 7, 2014
    Applicant: QUARK LIMITED, LDC
    Inventors: Donald A. Santeler, Robert W. Hallock
  • Publication number: 20140124091
    Abstract: A device to connect to a source of carbon dioxide for dispensing dry ice. The device includes discharge horn and an adaptor which may be bent and which supports discharge horn. A bag is removably attached to discharge horn to collect the dry ice produced. An insulating sleeve may be removably disposed about discharge horn.
    Type: Application
    Filed: November 6, 2012
    Publication date: May 8, 2014
    Applicant: Quark Limited, LDC
    Inventors: Robert B. Evans, Robert W. Hallock
  • Publication number: 20140124591
    Abstract: A device for minimizing the blowback of carbon dioxide snow. Device includes a relatively planar body that includes an aperture for receiving a discharge horn. Planar body acts as a shield against blowback of carbon dioxide snow as device is depositing same in a container.
    Type: Application
    Filed: November 6, 2012
    Publication date: May 8, 2014
    Applicant: Quark Limited, LDC
    Inventors: Robert B. Evans, Robert W. Hallock
  • Publication number: 20140075983
    Abstract: A hand held dry ice dispensing device. The device includes a handle, which may include two hand grip portions, and a canister attached to the handle. The canister has an open bottom end wherein dry ice flows outward there from. A valve is disposed in the canister and produces a vortex discharge of CO2 gas flow which sublimes and forms dry ice. The device may also include an actuating mechanism, as well as, a safety mechanism.
    Type: Application
    Filed: September 18, 2012
    Publication date: March 20, 2014
    Inventors: Robert B. Evans, Robert W. Hallock
  • Patent number: 6885824
    Abstract: An optical component array allowing expansion of the occupied bandwidth on an existing optical transmission network without disrupting signal traffic. Wavelength selective filters (16, 30; 20, 34) and optical components, such as amplifiers (18, 32) are arrayed for use with a wavelength division multiplexed optical transmission system to transmit a selected portion of a transmission spectrum to an amplifier path and reflect the remainder of the spectrum. Wavelength selective filters and associated amplifiers are arranged in a cascade configuration with a bypass path (35, 37). Additional wavelength selective filters and amplifiers can be added in the bypass path without disrupting existing signal traffic, and such additions can provide for a remaining bypass path, thus allowing further expansion. This configuration provides an expandable amplifier array with a low initial cost.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: April 26, 2005
    Assignee: Optical Coating Laboratory, Inc.
    Inventors: Kevin J. Zhang, Michael A. Scobey, Robert W. Hallock
  • Patent number: 6873768
    Abstract: The inventive coupling device enables a high interconnection density of single mode optical fiber in active and passive devises used in a fiber optic telecommunication system. The coupling device comprise a micro-lens formed by terminating a single mode optical fibers with an optimized gradient index fiber, thus avoiding a significant increase in fiber diameter. The gradient index is optimized to provide a long working distance to the minimum spot size so that efficient coupling can be achieved in a free space interconnection between either multiple single mode fibers or a single mode fiber to a transmitting or receiving device.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: March 29, 2005
    Assignee: JDS Uniphase Corporation
    Inventors: Markus Duelli, Leland Scott Black, Robert W. Hallock, Andrew Thomas Taylor
  • Patent number: 6792210
    Abstract: An optical component array that has essentially equal path loss for each channel routed through a switching node in a re-insertion configuration and the bypass channels. An array input carrying a plurality of optical channels is coupled to a first node input. Consistent, low transmission loss through a switching node is achieved by a single fiber-beam-fiber transition. The low transmission loss is summed with other array losses to be within 3 dB of the insertion loss of a bypass path. In a particular configuration, a routing array with three switching nodes is loss-balanced to the bypass path. In another embodiment, a multi-channel filter stub in the bypass path improves residual signal suppression when a node is switched to an add/drop configuration.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: September 14, 2004
    Assignee: Optical Coating Laboratory, Inc.
    Inventors: Robert W. Hallock, Michael A. Scobey
  • Patent number: 6552834
    Abstract: Methods and apparatus for combining, adding, and/or dropping channels in optical communication systems that utilize thin film filters without the creation of deadbands, using fiber Bragg gratings and additional thin film optical filters, are described. According to one aspect of the invention, an optical filter is used to drop a wavelength range from an optical signal. Prior to the optical signal entering the optical filter, one or more fiber Bragg gratings and an optical circulator are used reflects a portion of the communications spectrum which would normally lie with the deadband region of the optical filter. According to another aspect of the present invention, an optical filter is used to combine a first optical signal and a second optical signal to form a combined optical signal. Neither the first optical signal nor the second optical signal includes channels within a deadband region of the optical filter.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: April 22, 2003
    Assignee: Corning Incorporated
    Inventors: Vikram Bhatia, Robert W. Hallock, James M. Harris, Edward Murphy, Derek E. Spock
  • Publication number: 20030020984
    Abstract: Methods and apparatus for combining, adding, and/or dropping channels in optical communication systems that utilize thin film filters without the creation of deadbands, using fiber Bragg gratings and additional thin film optical filters, are described. According to one aspect of the invention, an optical filter is used to drop a wavelength range from an optical signal. Prior to the optical signal entering the optical filter, one or more fiber Bragg gratings and an optical circulator are used reflects a portion of the communications spectrum which would normally lie with the deadband region of the optical filter. According to another aspect of the present invention, an optical filter is used to combine a first optical signal and a second optical signal to form a combined optical signal. Neither the first optical signal nor the second optical signal includes channels within a deadband region of the optical filter.
    Type: Application
    Filed: February 15, 2001
    Publication date: January 30, 2003
    Inventors: Vikram Bhatia, Robert W. Hallock, James M. Harris, Edward Murphy, Derek E. Spock
  • Publication number: 20020141705
    Abstract: The inventive coupling device enables a high interconnection density of single mode optical fiber in active and passive devises used in a fiber optic telecommunication system. The coupling device comprise a micro-lens formed by terminating a single mode optical fibers with an optimized gradient index fiber, thus avoiding a significant increase in fiber diameter. The gradient index is optimized to provide a long working distance to the minimum spot size so that efficient coupling can be achieved in a free space interconnection between either multiple single mode fibers or a single mode fiber to a transmitting or receiving device.
    Type: Application
    Filed: March 15, 2002
    Publication date: October 3, 2002
    Applicant: JDS Uniphase Corporation
    Inventors: Markus Duelli, Leland Scott Black, Robert W. Hallock, Andrew Thomas Taylor
  • Patent number: 6389188
    Abstract: An optical assembly including a wavelength selective filter (114) in combination with a collimator (112). An input port is configured to provide an optical signal containing a plurality of optical channels to the collimator and then to the wavelength selective filter. The hybrid selective optical router allows a channel or segment of adjacent channels (118) to be dropped from the optical signal with minimal signal degradation to the dropped or expressed channels. In a particular embodiment, a pair of wavelength selective routers (300, 326) are combined with a switched optical directing element (308) and other components to provide an ADD/DROP switch. In a further embodiment, an ADD/DROP switch is provided with a single movable mirror, and no fixed mirrors.
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: May 14, 2002
    Assignee: Optical Coating Laboratory, Inc.
    Inventors: Michael A. Scobey, Robert W. Hallock
  • Patent number: 6320996
    Abstract: An optical switch for manipulating a plurality of input optical signals incident thereupon to split one or more optical signal channels from the plurality of input optical signals. The optical switch includes an optical filter having a first reflective region and a second reflective region. One of the first and the second reflective regions is adapted with a wavelength selective filter that is capable of separating one or more optical signal channels from the input optical signal. A translating mechanism cooperates with the optical filter and is adapted to translate the optical filter in a plane substantially parallel to one of the first reflective region and the second reflective region between a first position and a second position. The translation of the optical filter causes at least one of the one or more optical signal channels to be separated from the optical signal and directed in a second direction.
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: November 20, 2001
    Assignee: Optical Coating Laboratory, Inc.
    Inventors: Michael A. Scobey, Robert W. Hallock, Michael Cumbo, Glenn Yamamoto
  • Patent number: D728749
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: May 5, 2015
    Inventors: Donald A. Santeler, Robert W. Hallock
  • Patent number: D728771
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: May 5, 2015
    Inventors: Donald A. Santeler, Robert W. Hallock
  • Patent number: D728772
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: May 5, 2015
    Inventors: Donald A. Santeler, Robert W. Hallock
  • Patent number: D737660
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: September 1, 2015
    Assignee: Quark Limited, LDC
    Inventors: Donald A. Santeler, Robert W. Hallock