Patents by Inventor Christopher Michael Andrews

Christopher Michael Andrews 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).

  • Publication number: 20230341932
    Abstract: A processing system provides two-way communication between an electroanatomic navigation and mapping system (EAMS) and a head-mounted display (HMD). A user wearing the HMD can use hands-free or touch-free actions to interact with a user interface for EAMS information displayed by the HMD (e.g., 3D augmented reality graphics) or by a display monitor (e.g., 2D graphics). For example, the processing system updates the position of a cursor on the display monitor to track a gaze direction of the user as determined by the HMD.
    Type: Application
    Filed: April 21, 2023
    Publication date: October 26, 2023
    Applicant: SentiAR, Inc.
    Inventors: Jennifer N. Avari SILVA, Jonathan R. SILVA, Michael K. SOUTHWORTH, Ignacio SORIANO, Matthew DAGLEY, Christopher Michael ANDREWS, Sharif RAZZAQUE, Irene HOUGARD, Berk TAS
  • Publication number: 20220354462
    Abstract: In an embodiment, a system receives data from a first electromagnetic sensor coupled to a head-mounted display (HMD) and detecting an electromagnetic field generated by an electromagnetic reference source coupled to an ultrasound probe. The system receives data from a second electromagnetic sensor coupled to a medical instrument and detecting the electromagnetic field. The system determines a position of the HMD relative to the ultrasound probe. The system determines a position of the medical instrument relative to the ultrasound probe. The system generates a visualization of a path of the medical instrument oriented relative to an ultrasound image plane. The system provides a graphic for display by the HMD to a user wearing the HMD, where the graphic includes the visualization and image data captured by the ultrasound probe displayed on the ultrasound image plane.
    Type: Application
    Filed: May 9, 2022
    Publication date: November 10, 2022
    Inventors: Michael K. Southworth, Christopher Michael Andrews, Ignacio Soriano, Alexander Bair Henry, Jonathan R. Silva, Jennifer N. Avari Silva
  • Patent number: 4115296
    Abstract: To accelerate the curing of epoxide resins by particular curing agents, i.e., polyamines, polyaminoamides, polycarboxylic acids, or polycarboxylic acid anhydrides, there is employed an aliphatic or araliphatic monocarboxylic acid group at least two halogen atoms chosen from fluorine and chlorine atoms, or a salt thereof, such as magnesium trifluoroacetate and magnesium trichloroacetate.
    Type: Grant
    Filed: December 16, 1976
    Date of Patent: September 19, 1978
    Assignee: Ciba-Geigy Corporation
    Inventor: Christopher Michael Andrews
  • Patent number: 4101459
    Abstract: To accelerate the curing of epoxide resins by aromatic, heterocyclic, or cycloaliphatic polyamines there are employed salts of trifluoromethanesulfonic acid.
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: July 18, 1978
    Assignee: Ciba-Geigy Corporation
    Inventor: Christopher Michael Andrews
  • Patent number: 4026858
    Abstract: To accelerate the curing of an epoxide resin by means of an aromatic or cycloaliphatic polyamine there is incorporated magnesium, calcium, zinc, manganese, cobalt, or nickel perchlorate. Typically, from 0.2 to 2 parts by weight of the perchlorate is used per 100 parts of the combined weights of the epoxide resin and the polyamine.
    Type: Grant
    Filed: October 28, 1975
    Date of Patent: May 31, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Christopher Michael Andrews, Bryan Dobinson