Patents by Inventor John Buan

John Buan 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).

  • Control unit with pump module for a negative pressure wound therapy device
    Publication number: 20090299306
    Abstract: An apparatus including a pump and control unit to be used to provide negative pressure for a wound therapy device. The pump module includes a pump and a pressure sensor, and the control unit module is capable of determining the pump in the pump module. The apparatus has a handheld size.
    Type: Application
    Filed: May 27, 2009
    Publication date: December 3, 2009
    Inventor: John Buan
  • Control of respiratory oxygen delivery
    Publication number: 20060213519
    Abstract: Methods and systems for supplying respiratory oxygen to users when the users are inhaling are disclosed. The methods and systems may rely on delivery devices that are selectively placed in fluid communication with either a respiration sensor or a source of oxygen. The methods and systems may actively monitor for exhalations, as well as monitor for oxygen in the oxygen source. The respiration sensor may preferably be a flow sensor.
    Type: Application
    Filed: May 26, 2006
    Publication date: September 28, 2006
    Applicant: Minnesota Innovative Technologies and Instruments
    Inventors: Matthew Schmidt, John Buan, Catherine Nordman