Patents by Inventor David R. Harper

David R. Harper 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).

  • Powered arm lifter system and method of automating weight distribution
    Patent number: 12227041
    Abstract: A system for powered trailer weight distribution having a hitch mount with a spring bar, and a trailer with a spring bar mount disposed on the trailer and having an initial position relative to the trailer, wherein the spring bar mount is configured to receive and engage the spring bar, and a weight distribution actuator configured and arranged to adjust a position of the spring bar mount relative to the spring bar while engaged with the spring bar, wherein the weight distribution actuator is connected to a power source that provides power to the weight distribution actuator, facilitating the adjustment of the position of the spring bar mount.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: February 18, 2025
    Assignee: Progress Mfg. LLC
    Inventors: Jed K. Anderson, David F. Lundgreen, Jason R. Harper
  • ACARICIDES
    Publication number: 20220279795
    Abstract: The present invention relates to a method of treating or preventing a house dust mite infestation, said method comprising applying an acaricidal infectious agent at a site of a house dust mite infestation, or at a site proximal thereto, or at a site at risk of such infestation. Also encompassed are uses of acaricidal infectious agents, methods of isolating acaricidal infectious agents, acaricidal infectious agents obtainable by said methods, acaricidal infectious agent formulations, foodstuffs and mite attractants comprising the same.
    Type: Application
    Filed: May 23, 2022
    Publication date: September 8, 2022
    Applicant: Evolution Biotechnologies Ltd
    Inventor: David R. Harper
  • Acaricides
    Patent number: 11344031
    Abstract: The present invention relates to a method of treating or preventing a house dust mite infestation, said method comprising applying an acaricidal infectious agent at a site of a house dust mite infestation, or at a site proximal thereto, or at a site at risk of such infestation. Also encompassed are uses of acaricidal infectious agents, methods of isolating acaricidal infectious agents, acaricidal infectious agents obtainable by said methods, acaricidal infectious agent formulations, foodstuffs and mite attractants comprising the same.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: May 31, 2022
    Assignee: Evolution Biotechnologies Ltd.
    Inventor: David R. Harper
  • ACARICIDES
    Publication number: 20180235237
    Abstract: The present invention relates to a method of treating or preventing a house dust mite infestation, said method comprising applying an acaricidal infectious agent at a site of a house dust mite infestation, or at a site proximal thereto, or at a site at risk of such infestation. Also encompassed are uses of acaricidal infectious agents, methods of isolating acaricidal infectious agents, acaricidal infectious agents obtainable by said methods, acaricidal infectious agent formulations, foodstuffs and mite attractants comprising the same.
    Type: Application
    Filed: August 8, 2016
    Publication date: August 23, 2018
    Applicant: Evolution Biotechnologies Ltd
    Inventor: David R. Harper