Patents by Inventor Ewen Christie

Ewen Christie 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).

  • Dry powder inhaler with reproducible flow resistance
    Patent number: 11020549
    Abstract: A dry powder inhalation device is disclosed. In one optional aspect, the device includes a housing, a base plate, a receptacle for a medicament and a mouthpiece. The base plate is engageable with the housing to form a main space with a main air inlet. The mouthpiece includes an inner conduit connected to its outlet and is engageable with the base plate to fluidly connect the inner conduit to the receptacle. The receptacle is fluidly connected to the main space, so that upon inhalation by a user, air can be drawn through the main air inlet into the main space and onward through the receptacle into the inner conduit. The mouthpiece and the base plate form an auxiliary space with an auxiliary air inlet, wherein the auxiliary space is fluidly connected to the main space.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: June 1, 2021
    Assignee: Alfred E. Tiefenbacher (GmbH & Co. KG)
    Inventors: David Ahern, Arron Danson, James Tibatts, Ewen Christie, Tim Evans
  • DRY POWDER INHALER WITH REPRODUCIBLE FLOW RESISTANCE
    Publication number: 20180043111
    Abstract: A dry powder inhalation device is disclosed. In one optional aspect, the device includes a housing, a base plate, a receptacle for a medicament and a mouthpiece. The base plate is engageable with the housing to form a main space with a main air inlet. The mouthpiece includes an inner conduit connected to its outlet and is engageable with the base plate to fluidly connect the inner conduit to the receptacle. The receptacle is fluidly connected to the main space, so that upon inhalation by a user, air can be drawn through the main air inlet into the main space and onward through the receptacle into the inner conduit. The mouthpiece and the base plate form an auxiliary space with an auxiliary air inlet, wherein the auxiliary space is fluidly connected to the main space.
    Type: Application
    Filed: August 14, 2017
    Publication date: February 15, 2018
    Inventors: David Ahern, Arron Danson, James Tibatts, Ewen Christie, Tim Evans
  • Inhaler
    Patent number: D793546
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: August 1, 2017
    Assignee: Alfred E. Tiefenbacher (GmbH & Co. KG)
    Inventors: Dave Ahern, Arron Danson, James Tibbatts, Ewen Christie, Tim Evans