Patents by Inventor Alexander Feldmann

Alexander Feldmann 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).

  • Electromagnetic actuatorä
    Publication number: 20090314976
    Abstract: An electromagnetic hydraulic valve (18) comprising an armature (2) which, in the region of its bottom-proximate end position (7) comprises a pressure chamber (9) which serves to damp the movements of the armature (2) and which is relieved from pressure via an annular gap (11) and for enhancing the damping action, the armature (2) further comprises a front-end cavity (36) for receiving hydraulic medium.
    Type: Application
    Filed: June 19, 2009
    Publication date: December 24, 2009
    Inventors: Jochen Tovar, Herbert Stockel, Andreas Kufner, Marcus Schiele, Alexander Feldmann, Claudia Schwarz