Patents by Inventor Ronaldus M. H. Steyvers

Ronaldus M. H. Steyvers 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).

  • Device for cutting a sample carrier
    Patent number: 8512637
    Abstract: A device for receiving a sample carrier is provided. The device includes an opening for receiving part of the sample carrier and a cutter for removing a part of the sample carrier. The cutter is coupled to a lid, which is movable to allow the cutter to make an incision in the sample carrier and, at the same time, to close at least part of the opening left open after receipt of the sample carrier. The disclosure further relates to a system comprising such a device and a method for operating such a device.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: August 20, 2013
    Assignee: Biocartis SA
    Inventors: Harmina Zeijlstra, Ronald De Gier, Marloes M. E. B. Van De Wal, Ronaldus M. H. Steyvers, Astrid E. Visser
  • TREATMENT OF A SAMPLE WITH FOCUSED ACOUSTIC ENERGY
    Publication number: 20120282616
    Abstract: A device for receiving a sample carrier is provided. The device includes an opening for receiving part of the sample carrier and a cutter for removing a part of the sample carrier. The cutter is coupled to a lid, which is movable to allow the cutter to make an incision in the sample carrier and, at the same time, to close at least part of the opening left open after receipt of the sample carrier. The disclosure further relates to a system comprising such a device and a method for operating such a device.
    Type: Application
    Filed: November 4, 2011
    Publication date: November 8, 2012
    Applicant: BIOCARTIS SA
    Inventors: Harmina Zeijlstra, Ronald De Gier, Marloes M. E. B. Van De Wal, Ronaldus M. H. Steyvers, Astrid E. Visser
  • Thin-panel picture display device
    Patent number: 5811919
    Abstract: A thin-panel picture display device having a luminescent screen is provided and by means of an addressing system, electrons are directed towards desired locations on the luminescent screen. A spacer plate of electrically insulating material, with apertures for passing electrons, is present between the addressing system and the screen. To provide the possibility of applying voltage differences of at least 5 kV across the thickness of the spacer plate, at least the walls of the apertures are coated with a coating of particles of nitrides, borides, carbides, oxides of chromium, yttrium, tantalum, with a secondary emission coefficient of .delta..sub.max .ltoreq.3.5 and an electrical sheet resistance of at least 10.sup.12 .OMEGA./.quadrature..
    Type: Grant
    Filed: July 14, 1995
    Date of Patent: September 22, 1998
    Assignee: U.S. Philips Corporation
    Inventors: Willem Hoogsteen, Ronaldus M. H. Steyvers, Monica Scholten, Maria C. Van Uden