Patents by Inventor Stefan Leonardus Maria van Diessen

Stefan Leonardus Maria van Diessen 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).

  • Valve position indicator and a method for indicating a valve position
    Patent number: 9879798
    Abstract: A valve position indicator/method comprising a main rotation axle operably connected with a valve. Repositioning the valve provides rotation of the main axle with a main axle disc with at least one tooth for cooperation with a gear wheel. The main axle disc has a toothless portion substantially not interfering with the gear wheel. The at least one tooth provides a rotation of the gear wheel and the toothless portion provides no rotation of the gear wheel upon rotation of the main axle disc. The gear wheel is on a secondary axle with an indication means.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: January 30, 2018
    Assignee: NETHERLOCKS SAFETY SYSTEMS B.V.
    Inventors: Stefan Leonardus Maria van Diessen, Noell Fredericus Frances van der Horst, Boudewijn Slager, Petrus Lambertus Loggen
  • VALVE POSITION INDICATOR AND A METHOD FOR INDICATING A VALVE POSITION
    Publication number: 20160258550
    Abstract: A valve position indicator/method comprising a main rotation axle operably connected with a valve. Repositioning the valve provides rotation of the main axle with a main axle disc with at least one tooth for cooperation with a gear wheel. The main axle disc has a toothless portion substantially not interfering with the gear wheel. The at least one tooth provides a rotation of the gear wheel and the toothless portion provides no rotation of the gear wheel upon rotation of the main axle disc. The gear wheel is on a secondary axle with an indication means.
    Type: Application
    Filed: January 29, 2016
    Publication date: September 8, 2016
    Inventors: Stefan Leonardus Maria van Diessen, Noell Fredericus Frances van der Horst, Boudewijn Slager, Petrus Lambertus Loggen