Patents by Inventor Jan Klok

Jan Klok 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).

  • Publication number: 20170009258
    Abstract: The invention is directed to a process for the biological conversion of bisulphide into elemental sulphur, comprising the following steps: a) converting bisulphide as dissolved in an aqueous solution to elemental sulphur in the presence of sulphide-oxidising bacteria and under anaerobic conditions to obtain a first liquid effluent comprising elemental sulphur and used sulphide-oxidising bacteria; b) regenerating the used sulphide-oxidising bacteria as obtained in step (a) and as comprised in an aqueous solution in the presence of an oxidant to obtain a second liquid effluent comprising regenerated sulphide-oxidising bacteria; c) separating elemental sulphur from either the first and/or the second liquid effluent; d) using the regenerated sulphide-oxidising bacteria in step (a) as the sulphide-oxidising bacteria.
    Type: Application
    Filed: January 30, 2015
    Publication date: January 12, 2017
    Applicant: PAQELL B.V.
    Inventors: Jan KLOK, Albert Joseph Hendrik JANSSEN, Gijs VAN HEERINGEN, Jan Henk VAN DIJK
  • Patent number: 5013003
    Abstract: A stand 1 for supporting an electric iron when not in use, comprising a clamping device 3 for clamping the stand onto an ironing board 4. So as to facilitate placing the iron on or taking it from the stand, the stand is provided with a rotary table 5, it being possible to attach the clamping device 3 to the rotary table. The stand also includes a storage space 17 for storing the clamping device.
    Type: Grant
    Filed: October 16, 1989
    Date of Patent: May 7, 1991
    Assignee: U.S. Philips Corp.
    Inventors: Pieter J. Driessen, Jan Klok
  • Patent number: D309516
    Type: Grant
    Filed: February 24, 1988
    Date of Patent: July 24, 1990
    Assignee: U.S. Philips Corporation
    Inventor: Jan Klok
  • Patent number: D310439
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: September 4, 1990
    Assignee: U.S. Philips Corporation
    Inventor: Jan Klok
  • Patent number: D322495
    Type: Grant
    Filed: December 15, 1988
    Date of Patent: December 17, 1991
    Assignee: U.S. Philips Corporation
    Inventor: Jan Klok
  • Patent number: D325797
    Type: Grant
    Filed: May 17, 1990
    Date of Patent: April 28, 1992
    Assignee: U.S. Philips Corporation
    Inventor: Jan Klok
  • Patent number: D329725
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: September 22, 1992
    Assignee: U.S. Philips Corporation
    Inventor: Jan Klok