Patents by Inventor Jeffrey Alexander Main

Jeffrey Alexander Main 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).

  • Apparatus for testing mooring bollard having a pulling device and a pulling force measuring device
    Patent number: 10228302
    Abstract: An apparatus for testing a mooring bollard is disclosed. The apparatus has first and second connector ropes for attaching the apparatus to a pair of bollards. There is also a pulling device (such as a hydraulic ram) for applying a pulling force to the bollards via the connector ropes. The device further includes a pulling force measuring device connected between the ram and one of the connector ropes, for measuring the pulling force being applied between the bollards. Finally there is a computer system for controlling the hydraulic ram and for gathering data from the data measuring device.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: March 12, 2019
    Assignee: BOLLARD LOAD TESTING LIMITED
    Inventors: Jeffrey Alexander Main, John Robert Cramman
  • BOLLARD TESTING SYSTEM
    Publication number: 20170176284
    Abstract: An apparatus for testing a mooring bollard is disclosed. The apparatus has first and second connector ropes for attaching the apparatus to a pair of bollards. There is also a pulling device (such as a hydraulic ram) for applying a pulling force to the bollards via the connector ropes. The device further includes a pulling force measuring device connected between the ram and one of the connector ropes, for measuring the pulling force being applied between the bollards. Finally there is a computer system for controlling the hydraulic ram and for gathering data from the data measuring device.
    Type: Application
    Filed: February 2, 2015
    Publication date: June 22, 2017
    Inventors: Jeffrey Alexander Main, John Robert Cramman