Patents by Inventor Ashwin Kumar Kumar Viswanath

Ashwin Kumar Kumar Viswanath 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).

  • Patent number: 9364621
    Abstract: A valved holding chamber (2) includes a main chamber housing (49 and a mouthpiece assembly (6) removeably coupled to a first end of the main chamber housing, the mouthpiece assembly including a mouthpiece housing (24) having a mouthpiece portion (32) and a valve housing portion (30), a retaining ring (28) provided within and coupled to the valve housing portion, and a one-way inhalation valve (26) having an annular valve seat member (52), wherein the valve seat member is held between the retaining ring and an engagement surface of the valve housing portion. In one particular embodiment, a portion of the first end of the main chamber housing engages the bottom of the valve seat member and creates a seal between the main chamber housing and the one-way inhalation valve and between the one-way inhalation valve and the mouthpiece housing.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: June 14, 2016
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Dirk Ernest Von Hollen, Ashwin Kumar Kumar Viswanath
  • Publication number: 20130186393
    Abstract: A valved holding chamber (2) includes a main chamber housing (49 and a mouthpiece assembly (6) removeably coupled to a first end of the main chamber housing, the mouthpiece assembly including a mouthpiece housing (24) having a mouthpiece portion (32) and a valve housing portion (30), a retaining ring (28) provided within and coupled to the valve housing portion, and a one-way inhalation valve (26) having an annular valve seat member (52), wherein the valve seat member is held between the retaining ring and an engagement surface of the valve housing portion. In one particular embodiment, a portion of the first end of the main chamber housing engages the bottom of the valve seat member and creates a seal between the main chamber housing and the one-way inhalation valve and between the one -way inhalation valve and the mouthpiece housing.
    Type: Application
    Filed: September 14, 2011
    Publication date: July 25, 2013
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Dirk Ernest Von Hollen, Ashwin Kumar Kumar Viswanath