Patents Assigned to Thomas Dudley Limited
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Patent number: 10787800Abstract: 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: GrantFiled: February 3, 2017Date of Patent: September 29, 2020Assignee: THOMAS DUDLEY LIMITEDInventors: Simon Boyes, Martin Dudley, Andrew Holmes
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Patent number: 10100502Abstract: 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: GrantFiled: September 11, 2015Date of Patent: October 16, 2018Assignee: Thomas Dudley LimitedInventors: Martin Dudley, Robert Andrew Holmes
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Patent number: 10018295Abstract: 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: GrantFiled: November 23, 2015Date of Patent: July 10, 2018Assignee: Thomas Dudley LimitedInventor: Simon Boyes
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Publication number: 20170261143Abstract: 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: ApplicationFiled: November 23, 2015Publication date: September 14, 2017Applicant: THOMAS DUDLEY LIMITEDInventor: SIMON BOYES
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Patent number: 8328463Abstract: 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: GrantFiled: October 6, 2008Date of Patent: December 11, 2012Assignee: Thomas Dudley LimitedInventors: Martin Dudley, Daniel Rowntree, Robert Menear
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Patent number: 4649953Abstract: 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: GrantFiled: November 19, 1985Date of Patent: March 17, 1987Assignee: Thomas Dudley LimitedInventors: Thomas I. Dudley, Harold J. T. Dudley