Patents by Inventor Helmut Rupp

Helmut Rupp 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).

  • Brush seal for sealing a gap between a rotor and a stator
    Patent number: 7387301
    Abstract: The invention relates to a brush seal for sealing a gap between a rotor and a stator, with at least one brush ring, comprising a number of sealing brushes and at least two annular brush ring carriers, running in the circumferential direction of the rotor. Each brush ring is fixed between a first front face of a first brush ring carrier and a second front face of a second brush ring carrier, whereby the second brush ring carrier is directly axially and radially fixed to the first brush ring carrier.
    Type: Grant
    Filed: November 28, 2003
    Date of Patent: June 17, 2008
    Assignee: Siemens Aktiengesellschaft
    Inventors: Helmut Rupp, Karl Urlichs
  • Brush seal for sealing a gap between a rotor and a stator
    Publication number: 20060038351
    Abstract: The invention relates to a brush seal for sealing a gap between a rotor and a stator, with at least one brush ring, comprising a number of sealing brushes and at least two annular brush ring carriers, running in the circumferential direction of the rotor. Each brush ring is fixed between a first front face of a first brush ring carrier and a second front face of a second brush ring carrier, whereby the second brush ring carrier is directly axially and radially fixed to the first brush ring carrier.
    Type: Application
    Filed: November 28, 2003
    Publication date: February 23, 2006
    Inventors: Helmut Rupp, Karl Urlichs
  • Method of blocking nerve conduction by treatment with branched-chain esters of 2-?4-(2-piperidine-ethoxy)-benzoyl!-benzoic acid and pharmaceutically acceptable salts thereof
    Patent number: 5821252
    Abstract: Compounds of the formula III ##STR1## in which R.sub.4 and R.sub.5 are CH.sub.3 amd R.sub.6 is hydrogen, have prolonged spasmolytic and anaesthetic activity.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 13, 1998
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Swati Bal-Tembe, Jurgen Blumbach, Alihussein Nomanbhai Dohadwalla, deceased, Bansi Lal, Narayan Sudhindra Punekar, Ramanujam Rajgopalan, Richard Helmut Rupp, Martin Bickel