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Christian Frankholz
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Schwerte, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Control assembly for thermostatic mixing
Patent number
7,597,270
Issue date
Oct 6, 2009
Grohe Water Technology AG & Co. KG
Christian Frankholz
G05 - CONTROLLING REGULATING
Information
Patent Grant
Handle assembly for faucet
Patent number
6,874,758
Issue date
Apr 5, 2005
Friedrich Grohe AG & Co. KG
Bruno Heimann
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Control knob for thermostatically regulated mixing valve
Patent number
6,648,234
Issue date
Nov 18, 2003
Friedrich Grohe AG & Co. KG
Christian Frankholz
G05 - CONTROLLING REGULATING
Information
Patent Grant
Faucet with motion-detector on/off control
Patent number
5,586,746
Issue date
Dec 24, 1996
Friedrich Grohe Aktiengesellschaft
Jergen Humpert
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Flow-control valve with handle-travel limited
Patent number
5,421,364
Issue date
Jun 6, 1995
Friedrich Grohe Aktiengesellschaft
Jurgen Humpert
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wall-mount bracket for hand shower
Patent number
5,340,064
Issue date
Aug 23, 1994
Friedrich Grohe Aktiengesellschaft
Bruno Heimann
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Wall-mount bracket for hand shower or the like
Patent number
5,290,000
Issue date
Mar 1, 1994
Friedrich Grohe Akteingesellschaft
Detlef Hochstein
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Temperature-setting system for thermostatic mixing valve
Patent number
5,251,811
Issue date
Oct 12, 1993
Friedrich Grohe Aktiengesellschaft
Christian Frankholz
G05 - CONTROLLING REGULATING
Information
Patent Grant
Control knob for thermostatically regulated mixing valve
Patent number
5,242,108
Issue date
Sep 7, 1993
Friedrich Grohe Aktiengesellschaft
Bruno Heimann
G05 - CONTROLLING REGULATING
Information
Patent Grant
Control knob for a thermostatically regulated valve
Patent number
5,230,465
Issue date
Jul 27, 1993
Friedrich Grohe Aktiengesellschaft
Jan R. Kostorz
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
Control assembly for thermostatic mixing
Publication number
20070012791
Publication date
Jan 18, 2007
GROHE WATER TECHNOLOGY AG & Co. KG
Christian Frankholz
G05 - CONTROLLING REGULATING
Information
Patent Application
Handle assembly for faucet
Publication number
20040026648
Publication date
Feb 12, 2004
Friedrich Grohe AG & Co. KG
Bruno Heimann
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Control knob for thermostatically regulated mixing valve
Publication number
20030085290
Publication date
May 8, 2003
Friedrich Grohe AG & Co. KG
Christian Frankholz
G05 - CONTROLLING REGULATING