Patents by Inventor Rainer Wellmann

Rainer Wellmann 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).

  • Chewing apparatus
    Patent number: 6547172
    Abstract: A novel apparatus can be used to simulate the chewing process, wherein the wherein the apparatus comprises a thermostattable kneading space comprising an upper portion and lower portion, wherein the lower portion comprises at least two kneading paddles for comminuting and kneading the test material and the upper portion comprising an air space for connecting the volatile components released during the comminution and kneading, wherein said apparatus comprises an inlet in which saliva is introduced into the kneading space and a second inlet in which air is passed into the kneading space, wherein air is passed together with the volatile components of the comminution and kneading process through an outlet of the kneading space to a detector system.
    Type: Grant
    Filed: April 19, 2001
    Date of Patent: April 15, 2003
    Assignee: Haarmann & Reimer GmbH
    Inventors: Gerald Reinders, Harry Erfurt, Horst Boos, Rainer Wellmann
  • Chewing apparatus
    Publication number: 20010045475
    Abstract: A novel apparatus can be used to simulate the chewing process, wherein the wherein the apparatus comprises a thermostattable kneading space comprising an upper portion and lower portion, wherein the lower portion comprises at least two kneading paddles for comminuting and kneading the test material and the upper portion comprising an air space for connecting the volatile components released during the comminution and kneading, wherein said apparatus comprises an inlet in which saliva is introduced into the kneading space and a second inlet in which air is passed into the kneading space, wherein air is passed together with the volatile components of the comminution and kneading process through an outlet of the kneading space to a detector system.
    Type: Application
    Filed: April 19, 2001
    Publication date: November 29, 2001
    Inventors: Gerald Reinders, Harry Erfurt, Horst Boos, Rainer Wellmann