Patents by Inventor Earl Refsland

Earl Refsland 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).

  • Ventilation system
    Patent number: 11007334
    Abstract: A ventilation system includes a processor in communication with a mechanical ventilator and a user interface comprising a quick start mode for allowing an individual to operate the system with little or no respiratory care expertise until a respiratory care practitioner can take over operation is disclosed. The ventilation system further includes a function that permits seamless transition between modes of operation.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: May 18, 2021
    Assignee: Allied Healthcare Products, Inc.
    Inventors: Earl Refsland, Kevin Kroupa
  • VENTILATION SYSTEM
    Publication number: 20170080170
    Abstract: A ventilation system comprising a processor in communication with a mechanical ventilator and a user interface comprising a quick start mode for allowing an individual to operate the system with little or no respiratory care expertise until a respiratory care practitioner can take over operation is disclosed. The ventilation system further includes a function that permits seamless transition between modes of operation.
    Type: Application
    Filed: December 1, 2016
    Publication date: March 23, 2017
    Inventors: Earl Refsland, Kevin Kroupa
  • Ventilation system
    Patent number: 9526853
    Abstract: A ventilation system having a processor in communication with a mechanical ventilator and a user interface for allowing an individual to operate the system with little or no respiratory care expertise until a respiratory care practitioner can take over operation is disclosed. The ventilation system further includes a function that permits seamless transition between modes of operation.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: December 27, 2016
    Assignee: Allied Healthcare Products, Inc.
    Inventors: Earl Refsland, Kevin Kroupa
  • VENTILATION SYSTEM
    Publication number: 20120060840
    Abstract: A ventilation system having a processor in communication with a mechanical ventilator and a user interface for allowing an individual to operate the system with little or no respiratory care expertise until a respiratory care practitioner can take over operation is disclosed. The ventilation system further includes a function that permits seamless transition between modes of operation.
    Type: Application
    Filed: September 15, 2011
    Publication date: March 15, 2012
    Applicant: ALLIED HEALTHCARE PRODUCTS, INC.
    Inventors: Earl Refsland, Kevin Kroupa