Patents by Inventor Niels Kohlhase

Niels Kohlhase 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).

  • Multiple crank drive for working machines, in particular for diaphragm pumps
    Patent number: 6598493
    Abstract: A multiple crank drive for working machines, in particular for diaphragm pumps, with a crankshaft, which is disposed in a housing and which exhibits at lest two bearings, can be driven by a drive, in particular a gear, and in turn drives by a crank drive, one of several piston rods of the working machines. The drive is designed in such a manner that the crankshaft is suspended in the housing.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: July 29, 2003
    Assignee: LEWA Herbert Ott GmbH & Co.
    Inventor: Niels Kohlhase
  • Multiple crank drive for working machines, in particular for diaphragm pumps
    Publication number: 20010042422
    Abstract: A multiple crank drive for working machines, in particular for diaphragm pumps, with a crankshaft, which is disposed in a housing and which exhibits at lest two bearings, can be driven by a drive, in particular a gear, and in turn drives by a crank drive, one of several piston rods of the working machines. The drive is designed in such a manner that the crankshaft is suspended in the housing.
    Type: Application
    Filed: May 15, 2001
    Publication date: November 22, 2001
    Inventor: Niels Kohlhase