Patents by Inventor Graham Barlow

Graham Barlow 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).

  • Controllers of a vacuum pumping and/or abatement system
    Patent number: 11929982
    Abstract: A method of assigning an identifier to a controller of a modular vacuum pumping and/or abatement system, the method including: determining, by a first controller of the modular vacuum pumping and/or abatement system, that a first identifier is to be assigned to a second controller of the modular vacuum pumping and/or abatement system, wherein the second controller is located at a module of the modular vacuum pumping and/or abatement system; transmitting, by the first controller, a first signal indicative of the first identifier to the second controller; receiving, by a user input device coupled to the module, a user input; and adopting, by the second controller, the first identifier as its identifier in response to the user input.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: March 12, 2024
    Assignee: Edwards Limited
    Inventors: Peter Reginald Crundwell, Richard John Moran, Peter George Stammers, Steven Graham Barlow, Brent Haslett
  • Pumping seal for rotating machines
    Patent number: 11870320
    Abstract: A rotary machine includes a rotating shaft, a housing that surrounds a portion of the rotating shaft and has an initial pressure therein and a gas seal that pumps gas out of the housing to reduce pressure in the housing to an operating pressure that is less than the initial pressure.
    Type: Grant
    Filed: October 19, 2022
    Date of Patent: January 9, 2024
    Assignee: JOHN CRANE UK LIMITED
    Inventor: Graham Barlow
  • PUMPING SEAL FOR ROTATING MACHINES
    Publication number: 20230121617
    Abstract: A rotary machine includes a rotating shaft, a housing that surrounds a portion of the rotating shaft and has an initial pressure therein and a gas seal that pumps gas out of the housing to reduce pressure in the housing to an operating pressure that is less than the initial pressure.
    Type: Application
    Filed: October 19, 2022
    Publication date: April 20, 2023
    Inventor: Graham Barlow
  • CONTROLLERS OF A VACUUM PUMPING AND/OR ABATEMENT SYSTEM
    Publication number: 20220035349
    Abstract: A method of assigning an identifier to a controller of a modular vacuum pumping and/or abatement system, the method including: determining, by a first controller of the modular vacuum pumping and/or abatement system, that a first identifier is to be assigned to a second controller of the modular vacuum pumping and/or abatement system, wherein the second controller is located at a module of the modular vacuum pumping and/or abatement system; transmitting, by the first controller, a first signal indicative of the first identifier to the second controller; receiving, by a user input device coupled to the module, a user input; and adopting, by the second controller, the first identifier as its identifier in response to the user input.
    Type: Application
    Filed: November 12, 2019
    Publication date: February 3, 2022
    Inventors: Peter Reginald Crundwell, Richard John Moran, Peter George Stammers, Steven Graham Barlow, Brent Haslett