Patents by Inventor Hanjo Kruisinga

Hanjo Kruisinga 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).

  • Patent number: 6293758
    Abstract: A peristaltic pump has a sealed pumphead housing a and a pressure transducer 26 which is responsive to the pressure within the pumphead housing 8. The output 28 of the transducer 26 is processed to provide an indication of the condition of the hose 18 of the pump.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: September 25, 2001
    Assignee: Bredel Hose Pumps B.V.
    Inventors: Andrew John Green, Hanjo Kruisinga