Patents by Inventor Carl Nieuwmeijer

Carl Nieuwmeijer 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).

  • Treatment of organic matter sludges
    Patent number: 7785386
    Abstract: A process for treating an organic matter sludge includes, in a mixing stage, mixing an organic matter sludge and particulate sterilized organic matter, to form an organic matter mixture. This mixture is dried in a drying stage to obtain a homogeneous particulate organic product.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: August 31, 2010
    Assignee: Capensis Investments 497 (Proprietary) Limited
    Inventors: Hendrik J. Venter, Carl Nieuwmeijer
  • TREATMENT OF ORGANIC MATTER SLUDGES
    Publication number: 20090084148
    Abstract: A process for treating an organic matter sludge includes, in a mixing stage, mixing an organic matter sludge and particulate sterilized organic matter, to form an organic matter mixture. This mixture is dried in a drying stage to obtain a homogeneous particulate organic product.
    Type: Application
    Filed: July 14, 2006
    Publication date: April 2, 2009
    Applicant: CAPENSIS INVESTMENTS 497 (PROPRIETARY) LIMITED
    Inventors: Hendrik J. Venter, Carl Nieuwmeijer