Patents by Inventor Trevor Raymond Stuthridge

Trevor Raymond Stuthridge 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 BIOMASS
    Publication number: 20150050707
    Abstract: A process for the treatment of biomass comprising subjecting biomass to microbial digestion to produce volatile fatty acids and/or solvents followed by wet oxidation to reduce biosolid volume while retaining or increasing the concentration of the volatile fatty acids and/or solvents.
    Type: Application
    Filed: February 27, 2014
    Publication date: February 19, 2015
    Inventors: Daniel James Gapes, Trevor Raymond Stuthridge, Peter James Strong, Robert Jason Lei, Anderson Aggrey
  • Process for production of biopolymers from nitrogen deficient wastewater
    Patent number: 6987011
    Abstract: A process for producing biopolymers comprises passing nitrogen deficient wastewater through a treatment system comprising micro-organisms which grow aerobically in nitrogen deficient wastewater, and controlling the environment in the treatment system by maintaining a sufficiently stable dissolved oxygen level to thereby encourage the growth and/or activity of micro-organisms which produce the biopolymers, and recovering the biomass produced and the biopolymers.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: January 17, 2006
    Assignee: New Zealand Forest Research Institute Limited
    Inventors: Nicola Maree Reid, Alison Hyde Slade, Trevor Raymond Stuthridge