Patents by Inventor Pieter G. M. Kruijt

Pieter G. M. Kruijt 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).

  • Sheet handling device including suction chamber with flow obstructing material
    Patent number: 7578629
    Abstract: A sheet handling device containing a sheet support element having a surface provided with suction holes which are connected to at least one suction chamber, the suction chamber being connected to a suction device adapted to create a subatmospheric pressure in the suction chamber, and a flow obstructing material arranged to obstruct an air flow from at least a subset of the suction holes into the suction chamber.
    Type: Grant
    Filed: October 3, 2005
    Date of Patent: August 25, 2009
    Assignee: Oce-Technologies B.V.
    Inventor: Pieter G. M. Kruijt
  • Temperature control system for a sheet support plate of a printer
    Patent number: 7510276
    Abstract: A temperature control system for a sheet support plate of a printer which has at least two power supplies for powering different sub-systems of the printer, the temperature control system containing at least one heater and a power management system adapted to use spare power capacities of the two power supplies by controlling the power supplied to said at least one heater in accordance with the load conditions of said power supplies.
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: March 31, 2009
    Assignee: OCE-Technologies B.V.
    Inventor: Pieter G. M. Kruijt
  • Sheet handling device with a temperature controlled sheet support plate
    Patent number: 7475973
    Abstract: A sheet handling device including a sheet support plate made of a heat conductive material having a first heat capacity, said plate having at least one cavity formed between a top wall defining a top surface of the plate and a bottom wall defining a bottom surface of the plate; and a temperature control system including a circulating system for circulating a temperature control fluid through said cavity, wherein in the cavity contains a displacement body which is spaced apart from said top and bottom walls and is made of a material having a heat capacity which is smaller than the heat capacity of the sheet support plate.
    Type: Grant
    Filed: October 3, 2005
    Date of Patent: January 13, 2009
    Assignee: Oce-Technologies B.V.
    Inventor: Pieter G. M. Kruijt
  • Sheet handling device for wide format sheets
    Patent number: 7384036
    Abstract: A sheet handling device for wide format sheets including a sheet support plate having a top surface containing suction holes which are connected to at least one suction chamber, the at least one suction chamber being divided into compartments that are connected, though an opening, to a suction device adapted to create a subatmospheric pressure in the compartments, wherein at least one internal wall between adjacent ones of the compartments defines a flow restriction orifice, and at least one of the compartments is directly connected to the suction device, and at least another one of the compartments is indirectly connected to the suction device through the orifice.
    Type: Grant
    Filed: October 3, 2005
    Date of Patent: June 10, 2008
    Assignee: OCE-Technologies B.V.
    Inventor: Pieter G. M. Kruijt