Patents by Inventor John Hannam

John Hannam 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).

  • Patent number: 10524637
    Abstract: An endoscope coupler with a split focus ring having direct engagement between the focus ring and the lens cell. The endoscope coupler may also have a changeable lens cartridge which can be replaced when moisture penetrates and ruins a the previous lens cartridge. Additional features may include branding security key which prevents use of replacement parts from third parties.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: January 7, 2020
    Assignee: Access Optics, LLC
    Inventors: Robert H. Hogrefe, Thomas Mayer, John Hannam
  • Publication number: 20180103831
    Abstract: An endoscope coupler with a split focus ring having direct engagement between the focus ring and the lens cell. The endoscope coupler may also have a changeable lens cartridge which can be replaced when moisture penetrates and ruins a the previous lens cartridge. Additional features may include branding security key which prevents use of replacement parts from third parties.
    Type: Application
    Filed: October 23, 2017
    Publication date: April 19, 2018
    Inventors: Robert H. Hogrefe, Thomas Mayer, John Hannam
  • Patent number: 9795279
    Abstract: An endoscope coupler with a split focus ring having direct engagement between the focus ring and the lens cell. The endoscope coupler may also have a changeable lens cartridge which can be replaced when moisture penetrates and ruins a the previous lens cartridge. Additional features may include branding security key which prevents use of replacement parts from third parties.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: October 24, 2017
    Assignee: Access Optics, LLC
    Inventors: Robert H. Hogrefe, Thomas Mayer, John Hannam
  • Publication number: 20150112137
    Abstract: An endoscope coupler with a split focus ring having direct engagement between the focus ring and the lens cell. The endoscope coupler may also have a changeable lens cartridge which can be replaced when moisture penetrates and ruins a the previous lens cartridge. Additional features may include branding security key which prevents use of replacement parts from third parties.
    Type: Application
    Filed: October 20, 2014
    Publication date: April 23, 2015
    Inventors: Robert H. Hogrefe, Thomas Mayer, John Hannam