Patents Assigned to Thomas Dudley Limited
  • Patent number: 10787800
    Abstract: A flushing apparatus (1, 301) for being installed in the cistern of a toilet including a flushing device (2) for fluid connection with an outlet of a cistern and a hydraulically-driven control circuit (3, 303) for operating the flushing device. The control circuit (3, 303) includes a water inlet (P) for fluidly connecting the control circuit (3, 303) to a source of pressurised water and an accumulator (6) fluidly connected to the water inlet (P) and configured to supplement, in use, the flow of pressurised water supplied by the source trough the control circuit (3, 303) to activate the flushing device (2).
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: September 29, 2020
    Assignee: THOMAS DUDLEY LIMITED
    Inventors: Simon Boyes, Martin Dudley, Andrew Holmes
  • Patent number: 10100502
    Abstract: A fill valve assembly (9, 109) for connection with a flushing syphon or other flushing valve. The assembly (9, 109) includes a float operated equilibrium valve (90, 190) and a branch element (92, 192) fluidly connected upstream the equilibrium valve (90, 190) and including an outlet (98) for providing fluid flow to one or more fluid pressure driven actuators (6).
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: October 16, 2018
    Assignee: Thomas Dudley Limited
    Inventors: Martin Dudley, Robert Andrew Holmes
  • Patent number: 10018295
    Abstract: A pipe boring device (1) including a housing (2)for receiving a self-tapping ferrule insert and a strap (3, 4) for securement around a pipe (10) to enable a hole to be bored into the pipe(10) by the ferrule insert. The strap (3, 4) includes first and second strap portions(3, 4) pivotally secured at a first of their ends (30, 40) by a connector (5). The first strap portion (3) includes a pair of slots (35a, 35b) along its length, which terminate at a second end (34) of the first strap portion (3) to form slot ends (36a, 36b). The second strap portion (4) includes three pairs of hooks (45a, 45b, 46a, 46b, 47a, 47b) along its length, which are receivable within the slots (35a, 35b) and configured to engage the slot ends (36a, 36b).
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: July 10, 2018
    Assignee: Thomas Dudley Limited
    Inventor: Simon Boyes
  • Publication number: 20170261143
    Abstract: A pipe boring device (1) including a housing (2)for receiving a self-tapping ferrule insert and a strap (3, 4) for securement around a pipe (10) to enable a hole to be bored into the pipe(10) by the ferrule insert. The strap (3, 4) includes first and second strap portions(3, 4) pivotally secured at a first of their ends (30, 40) by a connector (5). The first strap portion (3) includes a pair of slots (35a, 35b) along its length, which terminate at a second end (34) of the first strap portion (3) to form slot ends (36a, 36b). The second strap portion (4) includes three pairs of hooks (45a, 45b, 46a, 46b, 47a, 47b) along its length, which are receivable within the slots (35a, 35b) and configured to engage the slot ends (36a, 36b).
    Type: Application
    Filed: November 23, 2015
    Publication date: September 14, 2017
    Applicant: THOMAS DUDLEY LIMITED
    Inventor: SIMON BOYES
  • Patent number: 8328463
    Abstract: An embedded-type reflective road marker (1) which includes a base (2) and a reflector (3) for reflecting light cast onto the marker. The reflector (1) is detachably connected or secured, in use, to the base (2) by a connector (4) having release means (40) for facilitating removal of the reflector (3) from the base (2).
    Type: Grant
    Filed: October 6, 2008
    Date of Patent: December 11, 2012
    Assignee: Thomas Dudley Limited
    Inventors: Martin Dudley, Daniel Rowntree, Robert Menear
  • Patent number: 4649953
    Abstract: Siphon assembly for a flushing cistern is in two parts; the first including the down leg of the siphon duct the lower end of which is mounted in the cistern base and the second including the up leg and the inlet chamber in which the flushing piston is received. The parts are releasably connected by a push fit spigot and socket joint secured by a removable pin received transversely through locating formations on each part near the tops of the legs, further formations near the bottoms of the legs being received in vertical sliding relationship.
    Type: Grant
    Filed: November 19, 1985
    Date of Patent: March 17, 1987
    Assignee: Thomas Dudley Limited
    Inventors: Thomas I. Dudley, Harold J. T. Dudley