Patents Assigned to Gerhard Dohring
  • Apparatus for automatic lubricant delivery
    Patent number: 6012551
    Abstract: An automatic lubricant-dispensing device with a piston (3) disposed in a cylinder (4) and an electric motor drive unit (1,2) connected thereto has a circuit closer (21) to protect the device against moisture and/or explosion.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: January 11, 2000
    Assignee: Gerhard Dohring
    Inventor: Bjorn Raab