Patents by Inventor Erich Hertl

Erich Hertl 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: 6514177
    Abstract: A diaphragm assembly for the diaphragm pump of an inhaling apparatus compressor contains a flexible diaphragm 1,21 with a first opening 2, 22, a lower diaphragm disc 6, 26, with a second opening 8, 28, and an upper diaphragm disc 14, 38 with a third opening 16, 40, said diaphragm discs 6, 14, 26, 38 having a smaller diameter than the flexible diaphragm 1, 21, and a securement member 18, 44, for clamping the diaphragms 1, 21, between the lower diaphragm discs 6, 26 and the upper diaphragm discs 14, 38, said securement member 18, 44 being guided through the first, second and third opening 2, 12, 16, 22, 28, 40 and being in engagement with a diaphragm drive device.
    Type: Grant
    Filed: November 5, 1996
    Date of Patent: February 4, 2003
    Assignee: Pari GmbH Spezialisten fur effektive Inhalation
    Inventors: Stephan Brugger, Erich Hertl, Andreas Lintl, Matthias Remke
  • Patent number: 5685294
    Abstract: The invention relates to an inhaler for the inhalation of powdered, more particularly micronised drug preparations from capsules, the housing 10 of the inhaler containing tubular chambers 15 for receiving and holding the capsules, in a revolver magazine with an air inlet at the bottom and an air outlet 25 at the opposite end of the chamber opening into a mouthpiece 11, and a cutting device 19 with two blades 21 which are movable into the interior of the chamber in order to open the capsules near the top and bottom ends thereof.
    Type: Grant
    Filed: October 24, 1994
    Date of Patent: November 11, 1997
    Assignee: Boehringer Ingelheim KG
    Inventors: Rajaram Arun Gupte, Erich Hertl