Patents by Inventor Erik Nordell

Erik Nordell 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).

  • Method for the production of biogas
    Patent number: 12031166
    Abstract: A method for producing biogas in an anaerobic digestion chamber from an un-treated organic substrate, wherein said un-treated organic substrate has a dry matter of content of in the range of 20 to 90% of total solids, wherein the method comprises the steps of, pre-treatment of the un-treated organic substrate, to form a slurry having a dry matter content of in the range of 8 to 19.9% of total solids, feeding said slurry to a digestion chamber; digesting said slurry in the digestion chamber to produce biogas and a digestate, wherein in said pre-treatment step a mixture of a dilution fluid and a liquid digestate from said digestion chamber is used to dilute the un-treated organic substrate.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: July 9, 2024
    Assignee: Tekniska verken i Linköping AB (publ)
    Inventors: Erik Nordell, Sandra Waern, Jan Moestedt
  • METHOD FOR THE PRODUCTION OF BIOGAS
    Publication number: 20220307058
    Abstract: A method for producing biogas in an anaerobic digestion chamber from an un-treated organic substrate, wherein said un-treated organic substrate has a dry matter of content of in the range of 20 to 90% of total solids, wherein the method comprises the steps of, pre-treatment of the un-treated organic substrate, to form a slurry having a dry matter content of in the range of 8 to 19.9% of total solids, feeding said slurry to a digestion chamber; digesting said slurry in the digestion chamber to produce biogas and a digestate, wherein in said pre-treatment step a mixture of a dilution fluid and a liquid digestate from said digestion chamber is used to dilute the un-treated organic substrate.
    Type: Application
    Filed: May 27, 2020
    Publication date: September 29, 2022
    Inventors: Erik Nordell, Sandra Waern, Jan Moestedt