Patents by Inventor Robert F. Chisholm

Robert F. Chisholm 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).

  • Impeller bottle with an elongated evacuation tube
    Patent number: 10596533
    Abstract: A mixing device including a container defining a container cavity, the container including a bottom wall supporting a hollow shaft, the shaft supporting an impeller thereon such that the impeller is free to rotate about the shaft, the impeller including a central passageway therethrough for receiving the shaft, the container further including an elongated evacuation tube having a first end positioned within the passageway of the shaft and an opposed second end extending to a port of the container. Methods of using the mixing device to provide improved cell culture.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: March 24, 2020
    Assignee: MEDI-PHYSICS, INC.
    Inventors: Kevin M. Helle, Robert F. Chisholm, Jay Christopher Reed, Michael T. Schneider
  • Synthesizer diagnostic cassette simulator
    Patent number: 10402508
    Abstract: The present invention relates to a diagnostic device (400) for measuring component performance on an automated radiopharmaceutical synthesis device (50).
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: September 3, 2019
    Assignee: GE HEALTHCARE LIMITED
    Inventor: Robert F. Chisholm
  • Braced brachytherapy needle
    Patent number: 9775638
    Abstract: Braces to reduce bending of a brachytherapy needle during insertion into a patient, as well as methods of using the needle braces and kits useful therefor.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: October 3, 2017
    Assignee: MEDI-PHYSICS, INC.
    Inventors: Robert F. Chisholm, Jay Reed, Kevin Helle
  • IMPELLER BOTTLE
    Publication number: 20170001159
    Abstract: The present invention relates to methods and devices for mixing the contents of a mixing container, the device including a container defining a container cavity, the container including a bottom wall supporting a hollow shaft, the shaft supporting an impeller thereon such that the impeller is free to rotate about the shaft, the impeller including a central passageway therethrough for receiving the shaft, the container further including an elongate evacuation tube having a first end positioned within the passageway of the shaft and an opposed second end extending to a port of the container.
    Type: Application
    Filed: December 22, 2014
    Publication date: January 5, 2017
    Inventors: Kevin M. Helle, Robert F. CHISHOLM, Jay Christopher Reed, Michael T. SCHNEIDER
  • Flow cell for radiation detector
    Patent number: 9383456
    Abstract: The present invention provides a flow cell that can be used to improve the linear detection range of a radio-detector. The flow cell of the present invention is simple and cost-effective to set up and provides technical advantages over methods known in the prior art, as set out in more detail hereunder. The present invention also provides a method to determine the RCP of a radioactive composition making use of said flow cell, and a HPLC system comprising said flow cell.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: July 5, 2016
    Assignee: GE Healthcare Limited
    Inventors: Alan Peter Clarke, Thanushan Rajanayagam, Roger Paul Pettitt, Robert F. Chisholm
  • Transportation container
    Patent number: 9324466
    Abstract: The present invention provides a radiation-shielding container for a radiopharmaceutical that allows or a product fluid to be dispensed from a base component thereof.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: April 26, 2016
    Assignee: MEDI-PHYSICS, INC.
    Inventors: Kevin Helle, Jay Reed, Robert F Chisholm
  • TRANSPORTATION CONTAINER
    Publication number: 20150325321
    Abstract: The present invention provides a radiation-shielding container for a radiopharmaceutical that allows or a product fluid to be dispensed from a base component thereof.
    Type: Application
    Filed: December 26, 2013
    Publication date: November 12, 2015
    Inventors: Kevin M. HELLE, Jay C. REED, Robert F. CHISHOLM
  • FLOW CELL FOR RADIATION DETECTOR
    Publication number: 20140231653
    Abstract: The present invention provides a flow cell that can be used to improve the linear detection range of a radio-detector. The flow cell of the present invention is simple and cost-effective to set up and provides technical advantages over methods known in the prior art, as set out in more detail hereunder. The present invention also provides a method to determine the RCP of a radioactive composition making use of said flow cell, and a HPLC system comprising said flow cell.
    Type: Application
    Filed: October 1, 2012
    Publication date: August 21, 2014
    Inventors: Alan Peter Clarke, Thanushan Rajanayagam, Roger Paul Pettitt, Robert F. Chisholm
  • SYNTHESIZER DIAGNOSTIC CASSETTE SIMULATOR
    Publication number: 20140229152
    Abstract: The present invention relates to a diagnostic device (400) for measuring component performance on an automated radiopharmaceutical synthesis device (50).
    Type: Application
    Filed: September 28, 2012
    Publication date: August 14, 2014
    Applicant: GE HEALTHCARE LIMITED
    Inventor: Robert F. Chisholm
  • BRACED BRACHYTHERAPY NEEDLE
    Publication number: 20120253100
    Abstract: Braces to reduce bending of a brachytherapy needle during insertion into a patient, as well as methods of using the needle braces and kits useful therefor.
    Type: Application
    Filed: December 22, 2010
    Publication date: October 4, 2012
    Inventors: Robert F. Chisholm, Jay Reed, Kevin Helle