Patents by Inventor Leendert Johannes Adriaan den Boer

Leendert Johannes Adriaan den Boer 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).

  • Gearbox for a dredging vessel
    Patent number: 10677318
    Abstract: The invention relates to a manoeuvrable trailing dredging vessel comprising; a vessel propulsion member coupled with a propulsion shaft provided with a single gear for driving the propulsion member, a drive system having a central drive shaft coupled with the vessel propulsion member for providing power to the vessel propulsion member, a transmission device having at least a trailing transmission shaft provided with a trailing pinion and a sailing transmission shaft provided with a sailing pinion, wherein the central drive shaft is coupled with the single gear of the propulsion shaft through one of the trailing transmission shaft and the sailing transmission shaft.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: June 9, 2020
    Assignee: IHC Holland IE B.V.
    Inventors: Cornelis Pieter Raimond, Johannes Martijn Vreugdenhil, Leendert Johannes Adriaan den Boer, Arie de Jager
  • Gearbox for a dredging vessel
    Publication number: 20170190402
    Abstract: The invention relates to a manoeuvrable trailing dredging vessel comprising; a vessel propulsion member coupled with a propulsion shaft provided with a single gear for driving the propulsion member, a drive system having a central drive shaft coupled with the vessel propulsion member for providing power to the vessel propulsion member, a transmission device having at least a trailing transmission shaft provided with a trailing pinion and a sailing transmission shaft provided with a sailing pinion, wherein the central drive shaft is coupled with the single gear of the propulsion shaft through one of the trailing transmission shaft and the sailing transmission shaft.
    Type: Application
    Filed: May 27, 2015
    Publication date: July 6, 2017
    Applicant: IHC Holland IE B.V.
    Inventors: Cornelis Pieter Raimond, Johannes Martijn Vreugdenhil, Leendert Johannes Adriaan den Boer, Arie de Jager