Patents by Inventor Derek Hillstrom

Derek Hillstrom 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).

  • METHOD AND APPARATUS FOR PERSONAL ISOLATION AND/OR PROTECTION
    Publication number: 20230226383
    Abstract: Method and apparatus for personal isolation and/or protection are disclosed. In one variation, the system may include a passive filtration component having a mask configured for positioning over a mouth and/or nose of a user, wherein the mask has at least one portion configured to filter air passing through the at least one portion. An active filtration component having a fan may be included, wherein the active filtration component is configured to filter air entering or exiting the active filtration component via the fan, and a hose fluidly coupled between the passive filtration component and the active filtration component such that the active filtration component is remote from a face of the user when in use.
    Type: Application
    Filed: March 29, 2022
    Publication date: July 20, 2023
    Applicant: JustAir, Inc.
    Inventors: Cory SYLLIAASEN, Christina SKIELLER, Derek HILLSTROM, Daniel R. BURNETT, Michael JAASMA, Matthew SILVESTRINI, Julie YIP
  • High intensity ultrasound transducers and methods and devices for manufacturing high intensity ultrasound transducers
    Publication number: 20170133994
    Abstract: A method of manufacturing an ultrasound transducer is provided. The ultrasound transducer is activated and the activity across the transducer is measured to determine whether the activity at any area does not meet an acceptance criteria. The transducer is then modified so that the area meets the acceptance criteria. The transducer may be modified with a laser which removes material from the area which does not meet the acceptance criteria.
    Type: Application
    Filed: August 12, 2016
    Publication date: May 11, 2017
    Inventors: John W. Sliwa, Jonathan L. Podmore, Chris Bagley, John E. Crowe, Michael Holzbaur, Derek Hillstrom, Steve Schellenberg, John P. Goetz, Stephen A. Morse
  • Methods for manufacturing high intensity ultrasound transducers
    Patent number: 9445211
    Abstract: A method of manufacturing an ultrasound transducer is provided. The ultrasound transducer is activated and the activity across the transducer is measured to determine whether the activity at any area does not meet an acceptance criteria. The transducer is then modified so that the area meets the acceptance criteria. The transducer may be modified with a laser which removes material from the area which does not meet the acceptance criteria.
    Type: Grant
    Filed: April 11, 2005
    Date of Patent: September 13, 2016
    Assignee: St. Jude Medical, Atrial Fibrillation Division, Inc.
    Inventors: Jack Sliwa, Jonathan L. Podmore, Chris Bagley, John E. Crowe, Michael Holzbaur, Derek Hillstrom, Steve Schellenberg, Peter Goetz, Stephen A. Morse
  • High intensity ultrasound transducers and methods and devices for manufacturing high intensity ultrasound transducers
    Publication number: 20060236525
    Abstract: A method of manufacturing an ultrasound transducer is provided. The ultrasound transducer is activated and the activity across the transducer is measured to determine whether the activity at any area does not meet an acceptance criteria. The transducer is then modified so that the area meets the acceptance criteria. The transducer may be modified with a laser which removes material from the area which does not meet the accceptance criteria.
    Type: Application
    Filed: April 11, 2005
    Publication date: October 26, 2006
    Inventors: Jack Sliwa, Jonathan Podmore, Chris Bagley, John Crowe, Michael Holzbaur, Derek Hillstrom, Steve Schellenberg, Peter Goetz, Stephen Morse