Patents by Inventor Robert William Stimpson
Robert William Stimpson 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).
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Patent number: 8015912Abstract: A diaphragm pump for a pumped shower waste, comprises a diaphragm housing (12), a diaphragm (34) removably held in the diaphragm housing (12), an openable cover (16) on the diaphragm housing (12) for accessing the diaphragm (34), an electric motor (14), a connecting member (40) positioned in the diaphragm housing (12) and movable by the electric motor (14), and a non-screw-threaded twist and lock fastener (62) which releasably engages the diaphragm (34) with the connecting member (40). The diaphragm (34) can thus be disengaged and removed from the connecting member (40) without the use of a screwdriver.Type: GrantFiled: November 2, 2006Date of Patent: September 13, 2011Assignee: DLP LimitedInventors: Robert William Stimpson, Yanchun Wang
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Patent number: 8006325Abstract: A pumped shower drain system (10) comprises a shower base (12), a waste water unit (14) provided on the shower base (12) and having a waste water inlet (28) and a waste water outlet (30), and a reciprocating water pump (20) for pumping water from the waste water unit (14) to a drain (22). The reciprocating water pump (20) includes: a pump housing (40) having a pump inlet (48) in liquid communication with the waste water outlet (30) of the waste water unit (14), and a pump outlet (50) in liquid communication with the drain (22); first and second inlet valve seals (56, 58) in spaced relationship; and first and second outlet valve seals (84, 86) in spaced relationship. Each set of inlet and outlet valve seals comprise different kinds of valve seals from each other, and are independently closable to close the pump inlet or outlet. Preferably, the inlet valve seals and/or the outlet valve seals have different modes of operation.Type: GrantFiled: July 16, 2007Date of Patent: August 30, 2011Assignee: DLP LimitedInventors: Robert William Stimpson, Graham Robin Lock, James Edward Self
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Patent number: 7975328Abstract: An upward discharge waste device for a shower tray, comprises a hollow housing having a waste water inlet, a waste water outlet and a flow-channel for waste water between the waste water inlet and the waste water outlet; and a mounting element for mounting the waste device over a waste outlet of the shower tray. The flow-channel has a non-uniform transverse cross-sectional shape along the longitudinal extent from the waste water inlet and towards the waste water outlet, but has a uniform or substantially uniform transverse cross-sectional area along the longitudinal extent. A shower tray having the waste device is also provided.Type: GrantFiled: March 21, 2007Date of Patent: July 12, 2011Assignee: DLP LimitedInventors: Graham Robin Lock, Robert William Stimpson, James Edward Self
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Publication number: 20110155880Abstract: Holder apparatus (10) comprises an elongate holder bar (12), a holder element (18) which is slidably mounted on the holder bar (12) and which has a holder (24) for holding an item (30), and adjustment means (50, 52) for adjusting a position of the holder element (18) on the holder bar (12). The adjustment means (50, 52) has a user interface element (50) which is operable by a user to adjust a position of the holder element (18) on the holder bar (12), and the user interface element (50) is spaced from the holder element (18). Preferably, the adjustment means (50, 52) includes a drive element (52) which is in the holder bar (12) and which interconnects the interface element (50) with the holder element (18). Furthermore, the interface element (50) may preferably be retained at or adjacent to one end of the holder bar (12). The interface element (150) may include an epicyclic gear mechanism (194).Type: ApplicationFiled: January 23, 2009Publication date: June 30, 2011Inventor: Robert William Stimpson
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Patent number: 7942653Abstract: An electric shower-waste pump and control unit for pumping run-off shower water from a waste outlet to a drain, the unit comprising a housing having a first chamber and a separate second chamber which is water-tightly sealable, a removable housing cover for closing the housing, an electric pump provided in the first chamber, electronic control circuitry provided in the second chamber, and a removable second chamber cover for water-tightly sealing the second chamber against ingress of water leakage from the pump.Type: GrantFiled: January 25, 2008Date of Patent: May 17, 2011Assignee: DLP LimitedInventors: Robert William Stimpson, Ian Felmeri, Yanchun Wang
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Patent number: 7937785Abstract: A pumped shower draining device for a shower installation, comprises a housing having a waste water inlet and a waste water outlet, a pump element provided within the housing, a pump driving device for driving the pump element, and a variable-engagement clutch for providing variable driving engagement between the pump driving device and the pump element. An amount of engagement imparted by the in use clutch is determined by an amount of waste water flowing from a shower unit of the shower installation. Preferably, the clutch is self-regulating, so that the amount of engagement is determined by an amount of water in or at the clutch.Type: GrantFiled: March 12, 2008Date of Patent: May 10, 2011Assignee: DLP LimitedInventors: Robert William Stimpson, Ian Felmeri
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Publication number: 20110088160Abstract: A former 1 is provided for creating a sloping profile for waste-water run off below a waterproof floor covering of a shower area. The former is made of a moulded plastics material, such as from material known as Bulk (or Dough) Moulding Compound or material known as Sheet Moulding Compound, and has sloping surfaces 3 converging to a predefined drainage hole 4 shaped to accept and retain a waste connection and which provides means for engagement of at least one clamping or retaining device for a waterproof floor covering, wherein the perimeter of the former surrounding the hole 4 has a stepped profile to provide at least one annular flange 8 outside the plane of the former within which fastening means are locatable.Type: ApplicationFiled: October 15, 2009Publication date: April 21, 2011Applicant: DLP LIMITEDInventor: Robert William STIMPSON
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Publication number: 20110088161Abstract: A former 1 is provided for creating a sloping profile for waste-water run off below a waterproof floor covering of a shower area. The former 1 is made of a moulded or cast plastics material and has sloping surfaces 3 converging to define an integral linear drainage trough 6 having upstanding side walls and a base, the base of the trough containing at least one predefined drainage hole 4 for connection to a shower waste. The former may be covered with a flexible waterproof floor covering, the covering being placed between the sides of the trough 6 and a support frame and retained in position by fastening means provided through the frame and trough. A perforated drainage cover 30 is mounted on the support frame and secured thereto by fastening means.Type: ApplicationFiled: October 15, 2009Publication date: April 21, 2011Applicant: DLP LIMITEDInventor: Robert William STIMPSON
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Publication number: 20110067769Abstract: Waste shower water recycle apparatus is provided for receiving waste shower water from a shower drain outlet. The apparatus comprises a waste shower water inlet for receiving draining waste shower water, a potable water inlet, a drain outlet for liquid communication with a drain, a cistern supply outlet for supplying a toilet cistern, flow control means for controlling the flow of waste shower water from the waste shower water inlet to the drain outlet and to the cistern supply outlet, and for controlling the flow of potable water from the potable water inlet to the cistern supply outlet, and a pump device for moving waste shower water from a drain outlet of a shower to the said waste shower water inlet. Preferably, a cleansing element is provided for cleaning and disinfecting the waste shower water prior to being supplied to the cistern supply outlet.Type: ApplicationFiled: September 7, 2010Publication date: March 24, 2011Applicant: DLP LimitedInventor: Robert William Stimpson
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Patent number: 7900294Abstract: A shower tray access ramp comprises a ramp part and a transition part selectively attachable to the ramp part. The ramp part has a first edge for connection to a shower tray, a second edge which is opposite the first edge and which is engagable with the transition part, and a ramp portion intermediate the first and second edges. The second edge includes a flange which is spaced from an upper ramp surface of the ramp portion and which is fastenable to a ramp supporting surface. The transition part has a first transition edge which is seatable on the flange of the ramp part, a second transition edge which is opposite the first transition edge and which tapers to or substantially to a point to provide a transition from the ramp supporting surface onto the access ramp, and a transition ramp portion intermediate the first and second transition edges.Type: GrantFiled: January 24, 2008Date of Patent: March 8, 2011Assignee: DLP LimitedInventors: Mark Ian Luxton, Robert William Stimpson
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Publication number: 20100235982Abstract: A height-adjustable shower waste for a bathroom floor having a non-flexible waterproof floor covering material, the shower waste comprising a waste body (12) for mounting in the bathroom floor and having a base (20), one or more sides extending from the base (20), a waste water inlet (26), and a waste water outlet (30) connected or connectable to a drain; a cover support element (16) on which a cover element (18) is or can be provided to cover the waste water inlet (26); distance setting means (54, 66) for selectively setting a distance between an in use upper edge of the cover support element (16) and the waste body (12); and retaining means (90, 104) for positively retaining the cover support element (16) at the said set distance. A method and an adapter device are also provided.Type: ApplicationFiled: June 7, 2007Publication date: September 23, 2010Applicant: DLP LIMITEDInventors: Robert William Stimpson, James Edward Self
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Publication number: 20100181244Abstract: A pipe coupling (10) which comprises a coupling body (12) having an inlet end (22) for connection to a water outlet; an outlet end (24) for connection to a water inlet, and a liquid flow passage (26) which connects the inlet and outlet ends (22, 24) and which defines a water flow path (28) through the coupling body (12); a sealable filter and flow detector access opening (14) which is provided on the coupling body (12); and a filter element (16) and a flow detector device (20) which are removably receivable in the coupling body via the access opening and positionable on the flow path to extend across at least a part of the lateral extent of the liquid flow passage.Type: ApplicationFiled: July 17, 2008Publication date: July 22, 2010Applicant: DLP LIMITEDInventor: Robert William Stimpson
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Publication number: 20100154113Abstract: A pumped shower draining device for shower apparatus, the device comprising a housing having a waste water inlet and a waste water outlet, a pump element provided within or adjacent to the housing which pumps waste water from the waste water inlet to the waste water outlet, a first pump-driving device drivably engaged with the pump element, a second pump-driving device drivably engaged with the pump element, and a controller to control the first and/or second pump-driving devices. The first pump-driving device is hydraulically operable by shower water supplied to a shower head. The second pump-driving device is electrically operable, and the controller controls at least one of the first pump-driving device and second pump-driving device to supplement and/or to be substituted for the other. Shower apparatus having the pumped shower draining device is also provided.Type: ApplicationFiled: December 15, 2009Publication date: June 24, 2010Applicant: DLP LimitedInventor: Robert William STIMPSON
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Publication number: 20100146699Abstract: A shower tray (10) comprises a shower tray body (12) having an upper surface (16) and one or more side surfaces (18) defining a side or sides (22) of the shower tray body (12), and an edge clamp (14) for clamping flexible floor covering material (24) along the said side(s) (22) of the shower tray body (12).Type: ApplicationFiled: June 28, 2007Publication date: June 17, 2010Applicant: DLP LIMITEDInventor: Robert William Stimpson
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Publication number: 20100101014Abstract: A slimline shower waste device (10) for an integral waste water outlet (14) of a shower tray or shower former (16), comprises a hollow waste body (38) having a flattened portion (40) which defines a waste water cavity (42): a waste water inlet (44) for waste water now into the cavity (42) and which is provided on the flattened portion (40): and a circular wastewater outlet (46) for waste water flow out of the device (10). The circular waste water outlet (46) has a maximum internal diameter which is greater than a depth of the flattened portion (40).Type: ApplicationFiled: May 4, 2007Publication date: April 29, 2010Applicant: DLP LIMITEDInventor: Robert William Stimpson
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Patent number: 7694358Abstract: A shower tray has a trough along one or more sides of the tray and structure for clamping flexible floor covering material and/or a flexible edge of a ramp device in the trough(s). The clamping structure may comprise one or more elongate clamping elements and securement for fixing the clamping element(s) in the trough(s).Type: GrantFiled: October 6, 2004Date of Patent: April 13, 2010Assignee: DLP LimitedInventor: Robert William Stimpson
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Publication number: 20100083439Abstract: A shower drainage system (10) comprises a shower tray or former (12), a waste water device (14) attached to a waste water outlet (16) of the shower tray or former (12), and a slimline waste conduit device (18) which extends from a waste water outlet (20) of the waste water device (14). The slimline waste conduit device (18) has a, or a total combined, hydraulic radius which is greater than the hydraulic radius of a single shower drainage pipe of circular cross-section having a diameter equivalent to the minor lateral dimension of the slimline waste conduit device.Type: ApplicationFiled: May 4, 2007Publication date: April 8, 2010Applicant: DLP LIMITEDInventor: Robert William Stimpson
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Patent number: 7692554Abstract: A sound generating device for invalid apparatus as herein defined comprises a monitoring circuit and an audible output device for outputting an audible indication corresponding to the status and/or relative proximity of the in use apparatus monitored by the monitoring circuit. Body soaking apparatus, a seat, a handle, and invalid apparatus having such a sound generating device are also provided.Type: GrantFiled: February 16, 2006Date of Patent: April 6, 2010Assignee: DLP LimitedInventor: Robert William Stimpson
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Patent number: D615558Type: GrantFiled: November 3, 2009Date of Patent: May 11, 2010Assignee: DLP LimitedInventors: Robert William Stimpson, Gary Moore, James Edward Self, Ian Felmeri, Yanchun Wang
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Patent number: D615559Type: GrantFiled: November 3, 2009Date of Patent: May 11, 2010Assignee: DLP LimitedInventors: Robert William Stimpson, Gary Moore, James Edward Self, Ian Felmeri, Yanchun Wang