Patents
Patents for E03C 1 - Domestic plumbing installations for fresh water or waste water; Sinks (31,130)
09/1991
09/04/1991EP0444414A1 Sanitary fitting with a protection device for preventing water backflows
09/03/1991US5045352 Treatment with pressurized air, pressurized acid, drying, coating with plastic
09/03/1991CA2037407A1 Safeguard for a sanitary fitting
08/1991
08/29/1991DE4103955A1 Wall opening cover or lid - is for sanitary fittings and is secured by hook-clasp fasteners
08/28/1991EP0443416A1 Energy conservation and anti-scald/burn single handle valve construction
08/28/1991EP0443316A1 Sanitary bathtub with draining outlet
08/28/1991EP0443310A2 Garbage disposer
08/28/1991EP0443109A1 Device for cleaning of sewer conduits
08/28/1991CN2083600U Waste pipe obstruction removing device
08/28/1991CN2083599U Dual-proof odour seal
08/28/1991CN2083598U Domestic waste-water plumbing pipe-line parts
08/28/1991CN2083597U Multi-purpose toilet flushing device
08/27/1991CA1288026C Diverter valve
08/22/1991WO1991012380A1 Transportable device for removing deposits and blockages in sanitary pipes
08/22/1991WO1991012379A1 Connection device forming drain and interceptor for the evacuation of waste water of sanitary apparatuses
08/22/1991DE4103193A1 Spray nozzle for sink taps or showers - has safety valve closure section near spray nozzle connecting in at least one extra flow passage at preset pressure
08/22/1991DE4004435A1 Combined hand-basin and sink - has tap with swinging spout which is actuated by pedals
08/22/1991CA2035858A1 Device for cleaning a sewer
08/21/1991EP0442189A1 Improvements in or relating to work tops with sink or bowl attachments
08/21/1991EP0442085A1 Electric continuous-flow heater with circuit breaker
08/21/1991CN2083162U Electric device to remove obstructions in sinks
08/21/1991CA2034974A1 Energy conservation and anti-scald/burn single handle valve construction
08/14/1991EP0441151A1 Watertap with backflow preventer
08/14/1991EP0440976A1 Transportable device for removal of depositions and cloggings in sanitary pipelines
08/14/1991EP0440842A1 Fluid spout providing lamelliform outflow
08/13/1991US5039135 Drain trap with ice plug prevention
08/13/1991US5038816 Drain pipe trap
08/13/1991US5038814 Back flow preventer and integral vacuum breaker
08/13/1991CA1287545C Liquid closing device
08/08/1991WO1990009491A1 Feed water controller
08/08/1991DE4100807A1 Hot and cold water mixing tap - has valve to prevent used water being drawn into hand-held spray head
08/08/1991DE4003353A1 Valve to prevent return flow of used water to mixing tap - consists of two spring-loaded non-return valves in series
08/08/1991DE4002852A1 Hot and cold water mixing tap - has return flow restrictor to prevent dirty water flowing back into tap
08/07/1991EP0439840A1 Handle assembly
07/1991
07/31/1991CN2081669U 便携式卫生盆 Portable health pots
07/30/1991US5035010 Reciprocating shower device for human usage when showering
07/24/1991WO1991011643A1 Manual override heat sensitive valve
07/23/1991US5033715 Infrared faucet
07/23/1991US5033508 Sensor operated water flow control
07/23/1991CA1286755C Liquid sensor and touch control for hydrotherapy baths
07/18/1991DE4000621A1 Holder device for shower head - consists of wall bar and holder moving on back of bar
07/18/1991CA2034253A1 Water removal arrangement for a hot water heater
07/17/1991EP0436728A1 Tap for hot-cold mixed water and structure for fixation thereof
07/16/1991US5031940 Water supply elbow within a plastic housing comprising three or more parts, connectable to plastic conductors with a plastic spiral covering of varying diameters
07/16/1991US5031661 Double check valve backflow preventer assembly
07/16/1991US5031658 Plaster ground with fastener-free mounting
07/16/1991US5031258 Wash station and method of operation
07/16/1991US5031251 Accordian toilet for amputees
07/16/1991CA1286278C Automatic flow-control device
07/11/1991WO1991010018A1 Combination coupling for a water installation system
07/10/1991EP0436357A1 Vacuum sewer arrangement
07/10/1991EP0436093A1 Drainage tray for a shower bath
07/10/1991CN2080534U 洗涤装置 Washing devices
07/10/1991CN2080429U Antisplash sprayer capable of producing magnetized water
07/10/1991CN1052916A Water-saving sink for washing mop
07/09/1991US5029606 Wall-mounted hook-up assemblies for washing machine and lavatory
07/09/1991CA1285848C Combination vacuum breaker and hose bib
07/03/1991EP0434725A1 A method and device for laying waste pipes in hollow flooring blocks
07/03/1991CN2080078U Improved drain
07/03/1991CN2080077U Overflow draining device of bath tub
07/02/1991US5027952 Plastic bottle for acid drain opening system
07/02/1991US5027851 Spout assembly for hot water dispenser
06/1991
06/27/1991DE4038754A1 Sanitary water outlet valve - has ornamental sleeve over outlet pipe held against it by outlet mouthpiece
06/26/1991EP0433631A1 Charge exhaustion preventive system of storage battery
06/26/1991CN2079633U Hose connected type water sealing device
06/26/1991CN2079632U Plug-proof device for drain of sink
06/26/1991CN2079631U Moving toilet equipment
06/26/1991CN1052524A Indoor drain system using cast iron pipeline
06/25/1991US5025983 Mixing valve
06/25/1991US5025825 Riser spout diverter assembly
06/25/1991US5025516 Automatic faucet
06/25/1991US5025509 Overflow level controller for a bathtub
06/20/1991DE3941513A1 Drain-pipe carrying waste water - has circular cross=section and is divided in separate ducts by a parabolic wall
06/19/1991EP0432553A1 Sanitary fixture
06/19/1991EP0432440A1 Electrically actuated valve
06/19/1991CN2079202U Water/steam two-purpose bathtub
06/18/1991US5024419 Faucet connector assembly
06/12/1991CN2078767U Water-saving foot-control tap
06/11/1991US5022429 Valve assembly for plumbing fixture
06/11/1991US5022103 Shower arm extension
06/06/1991DE4003635C1 Sanitation pipe cleaner - flushes liq. from refillable container via flushing pipe, and air via compressed air pipe
06/05/1991EP0430309A2 Combination valve for feed conduit
06/05/1991EP0429915A1 Electric operated valve and its use
06/05/1991CN2078346U Float type liquid stopper stinkproof device for sewer
06/05/1991CN2078345U Saving and utilizing device for daily use water
06/04/1991US5020569 Vented faucet system
06/04/1991US5020166 Multi-purpose water pressure plunger
05/1991
05/30/1991WO1991007614A1 Water tap
05/30/1991WO1991007551A1 Sanitary-ware outlet valve and process for its manufacture
05/29/1991EP0429352A1 Drainsiphon for sanitary apparatus
05/29/1991EP0429192A1 Improvements relating to taps
05/29/1991EP0429068A1 Aerated water outlet device
05/29/1991EP0428804A1 Sink unit
05/29/1991EP0203090B1 Diverter
05/29/1991DE4033925A1 Non return valve with fixed valve seating - has spring for valve closure with outlet side
05/29/1991DE3939224A1 Mixer for washing water - consists of mixer valve, outlet, shower attachment and adjustment with back flow preventer
05/29/1991DE3938784A1 Transportable cabin containing WC - is square in plan view with diagonal wall forming room for disabled people
05/29/1991CN2077882U Ball-shaped draining bars
05/29/1991CN2077881U Water-saving sinks
05/28/1991WO1991008354A1 A mouthpiece for a water tapping point