Patents by Inventor Petrus Johannes Buijsman

Petrus Johannes Buijsman 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: 11280402
    Abstract: The invention relates to a continuously variable transmission and a transmission system comprising said continuously variable transmission, wherein the continuously variable transmission comprises a first gear pump and a second gear pump, wherein each gear pump comprises a first gear and a second gear meshing with the first gear over an overlap distance in an overlap direction parallel to the first gear axis, wherein each gear pump further comprises an adjustment member for adjusting the pump volume, wherein the adjustment member of the first gear pump and the adjustment member of the second gear pump are interconnected by a connecting member for adjusting the pump volume of the first gear pump and the pump volume of the second gear pump in an inverse correlation to each other.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: March 22, 2022
    Assignee: HCVTRANSMISSION B.V.
    Inventor: Petrus Johannes Buijsman
  • Publication number: 20200049250
    Abstract: The invention relates to a continuously variable transmission and a transmission system comprising said continuously variable transmission, wherein the continuously variable transmission comprises a first gear pump and a second gear pump, wherein each gear pump comprises a first gear and a second gear meshing with the first gear over an overlap distance in an overlap direction parallel to the first gear axis, wherein each gear pump further comprises an adjustment member for adjusting the pump volume, wherein the adjustment member of the first gear pump and the adjustment member of the second gear pump are interconnected by a connecting member for adjusting the pump volume of the first gear pump and the pump volume of the second gear pump in an inverse correlation to each other.
    Type: Application
    Filed: March 2, 2018
    Publication date: February 13, 2020
    Inventor: Petrus Johannes BUIJSMAN
  • Patent number: 10425467
    Abstract: Disclosed is a computer-implemented method, a computer readable medium, a computer program product and a communication system for communication between a first electronic device and a second electronic device, wherein the method includes the steps of: a) starting and completing a first audio recording at the first electronic device; b) transmitting the completed first audio recording from the first electronic device towards the second electronic device; and c) receiving the completed first audio recording at the second electronic device; wherein the second electronic device has an unlocked mode and a locked mode, wherein the locked mode has reduced functionality compared to the unlocked mode and requires user interaction to access the unlocked mode; wherein the method further includes the step of: d) playing the completed first audio recording automatically at the second electronic device when the second electronic device is in the locked mode.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: September 24, 2019
    Assignee: POQEAPP B.V.
    Inventors: Petrus Johannes Buijsman, Ruud Van Den Hooff
  • Patent number: 7775742
    Abstract: A roller for compacting a subsurface, in particular for road building, comprising a roller body with a central axis. The roller body is made up of a plurality of compartments (2), the compartments (2) being provided distributed in the circumferential direction around the central axis. In particular, each compartment (2) comprises at least one fluid chamber (3). More particularly, the fluid chambers (3) in the compartments (2) are in flow communication.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: August 17, 2010
    Assignee: Buysman Holding B.V.
    Inventor: Petrus Johannes Buijsman
  • Publication number: 20080267705
    Abstract: A roller for compacting a subsurface, in particular for road building, comprising a roller body with a central axis. The roller body is made up of a plurality of compartments (2), the compartments (2) being provided distributed in the circumferential direction around the central axis. In particular, each compartment (2) comprises at least one fluid chamber (3). More particularly, the fluid chambers (3) in the compartments (2) are in flow communication.
    Type: Application
    Filed: November 7, 2006
    Publication date: October 30, 2008
    Applicant: BUYSMAN HOLDING B.V.
    Inventor: Petrus Johannes Buijsman
  • Patent number: D820700
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: June 19, 2018
    Assignee: Squarell B.V.
    Inventor: Petrus Johannes Buijsman
  • Patent number: D820701
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: June 19, 2018
    Assignee: Squarell B.V.
    Inventor: Petrus Johannes Buijsman