Patents by Inventor Frank-Thomas Luig
Frank-Thomas Luig 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: 11112030Abstract: A valve cartridge for a sanitary fitting having a cartridge housing, a valve stem which is rotatable about an axis of rotation relative to the cartridge housing, a handle for rotating the valve stem, a passage disk with a first passage and a second passage, a control disk rotatable with the valve stem for controlling a liquid flow through the first passage or the second passage of the passage disk, a handle adapter which can be connected to the valve stem for setting a first rotational orientation of the valve stem to the handle in a first position and can be connected to the valve stem for setting a second rotational orientation of the valve stem to the handle in a second position, so that the control of the flow of liquid through the first passage or the second passage can be changed by the control disk.Type: GrantFiled: August 20, 2019Date of Patent: September 7, 2021Assignee: Grohe AGInventors: Janik Buchmueller, Turgut Kinikarslan, Frank-Thomas Luig
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Patent number: 10955058Abstract: A diverter valve for a sanitary fitting having a diverter valve housing, a valve body for the targeted supply of a fluid to at least two diverter valve outlets, and a spindle for actuating the valve body. The spindle is biased, so that after cutting the spindle to length, the spindle is displaced from the diverter valve housing by a defined travel. Also a concealed installation body with a corresponding diverter valve as well as a method for mounting a corresponding concealed installation body are provided.Type: GrantFiled: August 20, 2019Date of Patent: March 23, 2021Assignee: Grohe AGInventors: Harry Hopfauf, Heiko Langer, Frank-Thomas Luig
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Patent number: 10947706Abstract: A buried installation body for a sanitary fitting having a housing with a receiving space for a functional unit, wherein the housing has a lower shell and an upper shell which are connectable to each other, and a connection body having at least a first connection for a supply line and at least a second connection for a discharge line, wherein the connection body is at least partially arranged in the receiving space of the housing, and wherein the connection body is fastened by the connection of the lower shell with the upper shell in the receiving space.Type: GrantFiled: July 16, 2019Date of Patent: March 16, 2021Assignee: Grohe AGInventors: Frank-Thomas Luig, David Mainka, Dajana Lazic, Sebastian Althoff
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Patent number: 10889968Abstract: A flush-mounted box for a fitting body having a housing, including a receiving chamber for the fitting body, the housing having at least one detent area; a fastening frame for fastening the flush-mounted box on a support, the fastening frame including at least one spring element, which may be engaged in the at least one detent area of the housing for fastening the fastening frame to the housing; and at least one clip for securing the at least one spring element in the at least one detent area of the housing.Type: GrantFiled: July 16, 2019Date of Patent: January 12, 2021Assignee: Grohe AGInventors: Hartwig Philipps, Thomas Loi, Frank-Thomas Luig
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Patent number: 10889971Abstract: A flush mounted built-in body for a sanitary fitting, having a mixer with a regulating nut, wherein the regulating nut can be rotated about a rotational axis, a support plate having a hub, a stop ring having a stop supported by the hub of the support plate, and a rotating knob for actuating the mixer. A rotational movement of the rotating knob is limited by the stop of the stop ring and the rotating knob comprises a hollow shaft which couples the rotating knob in a non-rotating manner to the regulating nut and can be adjusted parallel to the rotational axis of the regulating nut.Type: GrantFiled: July 16, 2019Date of Patent: January 12, 2021Assignee: Grohe AGInventors: Turgut Kinikarslan, Frank-Thomas Luig, Daniel Berghoff
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Publication number: 20200056723Abstract: A valve cartridge for a sanitary fitting having a cartridge housing, a valve stem which is rotatable about an axis of rotation relative to the cartridge housing, a handle for rotating the valve stem, a passage disk with a first passage and a second passage, a control disk rotatable with the valve stem for controlling a liquid flow through the first passage or the second passage of the passage disk, a handle adapter which can be connected to the valve stem for setting a first rotational orientation of the valve stem to the handle in a first position and can be connected to the valve stem for setting a second rotational orientation of the valve stem to the handle in a second position, so that the control of the flow of liquid through the first passage or the second passage can be changed by the control disk.Type: ApplicationFiled: August 20, 2019Publication date: February 20, 2020Applicant: Grohe AGInventors: Janik BUCHMUELLER, Turgut KINIKARSLAN, Frank-Thomas LUIG
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Publication number: 20200056710Abstract: A diverter valve for a sanitary fitting having a diverter valve housing, a valve body for the targeted supply of a fluid to at least two diverter valve outlets, and a spindle for actuating the valve body. The spindle is biased, so that after cutting the spindle to length, the spindle is displaced from the diverter valve housing by a defined travel. Also a concealed installation body with a corresponding diverter valve as well as a method for mounting a corresponding concealed installation body are provided.Type: ApplicationFiled: August 20, 2019Publication date: February 20, 2020Applicant: Grohe AGInventors: Harry HOPFAUF, Heiko LANGER, Frank-Thomas LUIG
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Publication number: 20200011035Abstract: A flush mounted built-in body for a sanitary fitting, having a mixer with a regulating nut, wherein the regulating nut can be rotated about a rotational axis, a support plate having a hub, a stop ring having a stop supported by the hub of the support plate, and a rotating knob for actuating the mixer. A rotational movement of the rotating knob is limited by the stop of the stop ring and the rotating knob comprises a hollow shaft which couples the rotating knob in a non-rotating manner to the regulating nut and can be adjusted parallel to the rotational axis of the regulating nut.Type: ApplicationFiled: July 16, 2019Publication date: January 9, 2020Applicant: Grohe AGInventors: Turgut KINIKARSLAN, Frank-Thomas LUIG, Daniel BERGHOFF
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Publication number: 20190338499Abstract: A flush-mounted box for a fitting body having a housing, including a receiving chamber for the fitting body, the housing having at least one detent area; a fastening frame for fastening the flush-mounted box on a support, the fastening frame including at least one spring element, which may be engaged in the at least one detent area of the housing for fastening the fastening frame to the housing; and at least one clip for securing the at least one spring element in the at least one detent area of the housing.Type: ApplicationFiled: July 16, 2019Publication date: November 7, 2019Applicant: Grohe AGInventors: Hartwig PHILIPPS, Thomas LOI, Frank-Thomas LUIG
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Publication number: 20190338498Abstract: A buried installation body for a sanitary fitting having a housing with a receiving space for a functional unit, wherein the housing has a lower shell and an upper shell which are connectable to each other, and a connection body having at least a first connection for a supply line and at least a second connection for a discharge line, wherein the connection body is at least partially arranged in the receiving space of the housing, and wherein the connection body is fastened by the connection of the lower shell with the upper shell in the receiving space.Type: ApplicationFiled: July 16, 2019Publication date: November 7, 2019Applicant: Grohe AGInventors: Frank-Thomas LUIG, David MAINKA, Dajana LAZIC, Sebastian ALTHOFF
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Patent number: 9772048Abstract: In a rotary handle for a thermostatically controlled valve, which is arranged on an actuator brought out of a valve housing, having a stop body, which acts together with a stop cam provided on the valve housing. It is provided that the stop body is movable in the rotation direction in such a way that by a relative movement between the stop body and the rotary handle, turning of the rotary handle by a rotation angle greater than 360° is made possible.Type: GrantFiled: May 11, 2010Date of Patent: September 26, 2017Assignee: Grohe AGInventors: Frank-Thomas Luig, Kai Huck, Bjoern Riedel
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Patent number: 9714501Abstract: A plumbing fixture at least having a first housing section and a second housing section which are arranged movable to one another, whereby the first housing section together with the second housing section forms an electrical sensor. In particular, an electrically conductive and simultaneously sealing coupling component is provided between the housing sections, whereby further an electrically conductive coupling component is provided between the first housing section and the second housing section and the coupling component comprises an electrically conductive plastic.Type: GrantFiled: March 7, 2014Date of Patent: July 25, 2017Assignee: Grohe AGInventors: Hans Dieter Keiter, Achim Mielke, Frank-Thomas Luig, Gunter Gaebel
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Patent number: 9334635Abstract: A faucet having a pull-out sprayer that is attached to a spray hose. The faucet also has a housing with an end region to receive the sprayer and a feedthrough for passage of the sprayer hose through the housing, and at least one first guide for spacing the sprayer hose from an inner wall surface of the feedthrough, the guide being provided at least in an end region.Type: GrantFiled: June 6, 2013Date of Patent: May 10, 2016Assignee: Grohe AGInventors: Dieter Keiter, Frank-Thomas Luig, Matthias Schlueter
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Publication number: 20140250590Abstract: A plumbing fixture at least having a first housing section and a second housing section which are arranged movable to one another, whereby the first housing section together with the second housing section forms an electrical sensor. In particular, an electrically conductive and simultaneously sealing coupling component is provided between the housing sections, whereby further an electrically conductive coupling component is provided between the first housing section and the second housing section and the coupling component comprises an electrically conductive plastic.Type: ApplicationFiled: March 7, 2014Publication date: September 11, 2014Applicant: Grohe AGInventors: Hans Dieter KEITER, Achim MIELKE, Frank-Thomas LUIG, Gunter GAEBEL
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Publication number: 20130327853Abstract: A faucet having a pull-out sprayer that is attached to a spray hose. The faucet also has a housing with an end region to receive the sprayer and a feedthrough for passage of the sprayer hose through the housing, and at least one first guide for spacing the sprayer hose from an inner wall surface of the feedthrough, the guide being provided at least in an end region.Type: ApplicationFiled: June 6, 2013Publication date: December 12, 2013Inventors: Dieter KEITER, Frank-Thomas LUIG, Matthias SCHLUETER
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Publication number: 20100288844Abstract: In a rotary handle for a thermostatically controlled valve, which is arranged on an actuator brought out of a valve housing, having a stop body, which acts together with a stop cam provided on the valve housing. It is provided that the stop body is movable in the rotation direction in such a way that by a relative movement between the stop body and the rotary handle, turning of the rotary handle by a rotation angle greater than 360° is made possible.Type: ApplicationFiled: May 11, 2010Publication date: November 18, 2010Inventors: Frank-Thomas LUIG, Kai HUCK, Bjoern RIEDEL
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Patent number: 6938827Abstract: In a mixing valve for cold and hot water with thermostatic control of the mixed-water temperature by a thermostat (4) that is connected with a tubular double valve slide (3a, 3b) that is positioned by a temperature selector (5) and that is held in a housing (1) having at least one cold-water inlet (10), one hot-water inlet (11), and one mixed-water outlet (12), the inlet ports (22 and 23) of the mixing valve of the double valve slide (31, 3b) being oppositely controlled at opposite ends, it is suggested that the double valve slide (3a, 3b) have an annular web (31, 31a, 30b) formed with a smaller-diameter partition sleeve (31) that is axially shiftable at least at its end in a bore (24, 26) and that downstream of the inlet ports (22 and 23) the hot water and cold water each flow through respective passages (301) opening into an annular mixing compartment (302) in the web (30, 30a, 30b), the mixing compartment (302) extending radially through the partition sleeve (31) such that exiting mixed water is directed tType: GrantFiled: June 12, 2003Date of Patent: September 6, 2005Assignee: Rohe Water Technology AG & Co. KGInventors: Frank-Thomas Luig, Kai Huck
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Publication number: 20050076960Abstract: A mixing valve has a housing, hot- and cold-water valves in the housing having respective valve stems rotatable about respective parallel axes, respective drive gears fixed on the stems, respective hot- and cold-water control elements pivotal on the housing, and respective coupling gears each connected to a respective one of the control elements and meshing with a respective one of the drive gears. The coupling gears each have a pair of gear segments of different effective radii, one of the gear segments of each coupling gear meshing with the respective valve drive gear and the other gear segment with the respective control element. The radii are such that the coupling gears create a step-down ratio of about 1:1.6.Type: ApplicationFiled: September 22, 2004Publication date: April 14, 2005Inventors: Frank-Thomas Luig, Stefan Steinhoff, Thomas Salomon, Stefan Salomon, Karl-Heinz Stuckerjurgen, Jorg Schmidt
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Publication number: 20040238650Abstract: In a mixing valve for cold and hot water with thermostatic control of the mixed-water temperature by a thermostat (4) that is connected with a tubular double valve slide (3a, 3b) that is positioned by a temperature selector (5) and that is held in a housing (1) having at least one cold-water inlet (10), one hot-water inlet (11), and one mixed-water outlet (12), the inlet ports (22 and 23) of the mixing valve of the double valve slide (31, 3b) being oppositely controlled at opposite ends, it is suggested that the double valve slide (3a, 3b) have an annular web (31, 31a, 30b) formed with a smaller-diameter partition sleeve (31) that is axially shiftable at least at its end in a bore (24, 26) and that downstream of the inlet ports (22 and 23) the hot water and cold water each flow through respective passages (301) opening into an annular mixing compartment (302) in the web (30, 30a, 30b), the mixing compartment (302) extending radially through the partition sleeve (31) such that exiting mixed water is directed tType: ApplicationFiled: February 23, 2004Publication date: December 2, 2004Inventors: Frank-Thomas Luig, Kai Huck
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Patent number: 5947147Abstract: A valve has a housing formed with a connection face, an intake port adapted to be connected to a supply of pressurized liquid, an output port, an intake passage extending from the intake port to the connection face, a bore extending from the connection face, an output passage extending from the bore to the output port, and a bleed passage communicating with the atmosphere and opening into the bore. A valve cartridge secured to the connection face is operable to conduct liquid between the intake passage and the bore. A vent valve mounted in the output bore has inner and outer seats and a valve body movable between end positions in each of which it blocks one of the seats. The outer seat lies between the inner seat and the connection face and the output passage opens into the bore between the seats. The bleed passage opens into the bore through the inner seat.Type: GrantFiled: June 12, 1997Date of Patent: September 7, 1999Assignee: Friedrich Grohe AGInventors: Werner Gnauert, Frank-Thomas Luig