Patents by Inventor Johannes Hendricus Wilhelmus Herman De Kort

Johannes Hendricus Wilhelmus Herman De Kort 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).

  • Turf treatment implement
    Patent number: 10440875
    Abstract: A cylindrical turf treatment rotor adapted to be driven in rotation about a horizontal axis, and provided with wear-resistant teeth extending along one or more helical tracks on the rotor, the teeth being individually attached to the rotor so as to be capable of individual removal for replacement or refurbishing or for reconfiguring the rotor.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: October 15, 2019
    Assignee: Richard Campey Limited
    Inventors: Richard John Campey, Simon Jonathan Gumbrill, Johannes Hendricus Wilhelmus Herman De Kort
  • Turf Treatment Implement
    Publication number: 20180332759
    Abstract: A cylindrical turf treatment rotor adapted to be driven in rotation about a horizontal axis, and provided with wear-resistant teeth extending along one or more helical tracks on the rotor, the teeth being individually attached to the rotor so as to be capable of individual removal for replacement or refurbishing or for reconfiguring the rotor.
    Type: Application
    Filed: July 13, 2018
    Publication date: November 22, 2018
    Inventors: Richard John Campey, Simon Jonathan Gumbrill, Johannes Hendricus Wilhelmus Herman De Kort
  • Turf treatment implement
    Patent number: 10045472
    Abstract: A cylindrical turf treatment rotor adapted to be driven in rotation about a horizontal axis, and provided with wear-resistant teeth extending along one or more helical tracks on the rotor, the teeth being individually attached to the rotor so as to be capable of individual removal for replacement or refurbishing or for reconfiguring the rotor.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: August 14, 2018
    Assignee: Richard Campey Limited
    Inventors: Richard John Campey, Simon Jonathan Gumbrill, Johannes Hendricus Wilhelmus Herman De Kort
  • Turf Treatment Implement
    Publication number: 20180103572
    Abstract: A cylindrical turf treatment rotor adapted to be driven in rotation about a horizontal axis, and provided with wear-resistant teeth extending along one or more helical tracks on the rotor, the teeth being individually attached to the rotor so as to be capable of individual removal for replacement or refurbishing or for reconfiguring the rotor.
    Type: Application
    Filed: October 25, 2017
    Publication date: April 19, 2018
    Inventors: Richard John Campey, Simon Jonathan Gumbrill, Johannes Hendricus Wilhelmus Herman De Kort
  • Turf treatment implement
    Patent number: 9820422
    Abstract: A cylindrical turf treatment rotor (10) adapted to be driven in rotation about a horizontal axis (10a), and provided with wear-resistant teeth (13) extending along one or more helical tracks (14a-14d) on the rotor, the teeth being individually attacked to the rotor so as to be capable of individual removal for replacement or refurbishing or for reconfiguring the rotor.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: November 21, 2017
    Assignee: Richard Campey Limited
    Inventors: Richard John Campey, Simon Jonathan Gumbrill, Johannes Hendricus Wilhelmus Herman De Kort