Patents by Inventor Tim Wigfall

Tim Wigfall 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).

  • Carbon dioxide based method and system for the humane mass culling of poultry and sterilization of rearing sheds
    Patent number: 9131704
    Abstract: A method for humanely killing animals (2), particularly birds, includes spraying liquid CO2 into a holding site (10) housing said animals so that said CO2 is evaporated and said animals (2) are exposed to an atmosphere (3) in their holding site (10) containing gaseous CO2, asphyxiating the animals (2) by exposing them to said atmosphere (3), and discharging a mixture of a purge gas (P) and at least one sterilizing agent (A) into the holding site. A related system (1) for humanely killing animals (2), particularly birds, is also provided.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: September 15, 2015
    Assignee: Linde Aktiengesellschaft
    Inventor: Tim Wigfall
  • CARBON DIOXIDE BASED METHOD AND SYSTEM FOR THE HUMANE MASS CULLING OF POULTRY AND STERILIZATION OF REARING SHEDS
    Publication number: 20150157031
    Abstract: A method for humanely killing animals (2), particularly birds, includes spraying liquid CO2 into a holding site (10) housing said animals so that said CO2 is evaporated and said animals (2) are exposed to an atmosphere (3) in their holding site (10) containing gaseous CO2, asphyxiating the animals (2) by exposing them to said atmosphere (3), and discharging a mixture of a purge gas (P) and at least one sterilising agent (A) into the holding site. A related system (1) for humanely killing animals (2), particularly birds, is also provided.
    Type: Application
    Filed: June 11, 2013
    Publication date: June 11, 2015
    Inventor: Tim Wigfall