Patents Assigned to Marston Excelsior Limited
  • Patent number: 4338179
    Abstract: A diaphragm cell electrode including a central current feeder and a pair of working faces welded along their central lines to the current feeder, the outer edges being unrestrained so as to be resiliently compressible and expandable.
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: July 6, 1982
    Assignee: Marston Excelsior Limited
    Inventors: Ronald Dickson, Michael R. Hampson
  • Patent number: 4298445
    Abstract: A cathodic protection anode incorporating a latticework anode of increased strength.
    Type: Grant
    Filed: May 5, 1978
    Date of Patent: November 3, 1981
    Assignee: Marston Excelsior Limited
    Inventor: Michael A. Warne
  • Patent number: 4187164
    Abstract: A titanium or niobium cathodic protection anode component comprising a strip of metal roll formed to have, in cross-section, a U-shaped portion with a pair of arms extending from the free edges of the U-shaped portion there being a layer of platinum on the convex surface of the spine of the strip, and systems incorporating such anodes.
    Type: Grant
    Filed: June 29, 1978
    Date of Patent: February 5, 1980
    Assignee: Marston Excelsior Limited
    Inventor: Michael A. Warne
  • Patent number: 4049047
    Abstract: A make-up tank is provided for two separate heat exchanger circuits operating at different temperatures, the tank having three compartments, a first compartment acting as a make-up tank for the first circuit, a third compartment as a make-up tank for the second circuit and a second or stagnant buffer compartment to separate the first and third compartments. A water level monitor and supply system is provided in one of the compartments only and the compartments are in restricted communication with each other.
    Type: Grant
    Filed: July 1, 1975
    Date of Patent: September 20, 1977
    Assignee: Marston Excelsior Limited
    Inventor: John William Keen
  • Patent number: 4039400
    Abstract: A method of manufacturing an electrode which comprises depositing an oxide of titanium from a solution onto a surface of a film-forming metal, heating the oxide to dry it, depositing a second titanium oxide layer on the first oxide layer and then depositing an electrocatalytic layer onto the titanium oxide layers.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: August 2, 1977
    Assignee: Marston Excelsior Limited
    Inventor: Peter Charles Steele Hayfield