Patents
Patents for 1989 (892)
06/1989
06/07/1989CN2038929U Anti-seismic block connecting vertical and horizontal walls
06/07/1989CN2038927U Adjustable pulling-connecting piece used for internal thermal insulation of building external wall
06/07/1989CN2038915U Automatic cementing machine of asphalt felt paper
06/07/1989CN2038889U Lifesaving appliance for swimming
06/07/1989CN2038859U Sleeper carriage for highway bus
06/07/1989CN2038858U Massage cushion for vehicle
06/07/1989CN2038855U Speed repairing damaged tyre device
06/07/1989CN2038808U Sand filter for water treatment
06/07/1989CN2038804U Anew copy electron game card
06/07/1989CN2038792U Small volume heavy load exercising apparatus next to skin
06/07/1989CN2038787U Magnetizing device
06/07/1989CN2038773U Surgical knife using telecontrolled high frequency current
06/07/1989CN1033338A Eddy current brake speed regulator
06/07/1989CN1033241A Technology for producing hawthorn extract
06/07/1989CN1033240A Prepn. of infused medicine for urticaria
06/07/1989CN1033238A Tv radiation resistant cream and its prepn.
06/07/1989CN1033237A Liquiritigenin tooth paste
06/07/1989CN1004463B Heterodyne coherent-light communication method
06/07/1989CN1004426B Catalytic oxidation acid method pretreatment for hard smelting aurin mineral
05/1989
05/31/1989CN2038703U Fluorescent lamp exciter with high-efficiency multi-purpose power-saving feature
05/31/1989CN2038648U Computer meridian graph
05/31/1989CN2038593U Colours changing lamp with many colours
05/31/1989CN2038592U Tube type electronic started daylight lamps and lanterns
05/31/1989CN2038590U Non-glaring automobile meeting light
05/31/1989CN2038589U Foldable lantern
05/31/1989CN2038552U Purifying fuel-saving device
05/31/1989CN2038520U Hollow concrete tenon brick
05/31/1989CN2038455U Flexible axle controlled cyclic gear shifting device for changing the speed of vehicle
05/31/1989CN2038402U Healthy belt for magnetostatic acupuncture point
05/31/1989CN2038399U Safety injector
05/31/1989CN2038381U Ring putter for closed type intrauterine device
05/31/1989CN2038370U Auto vacuum blood adopting instrument
05/31/1989CN2038364U Pressure cooker vapour type portable hot water shower
05/31/1989CN2038362U Shower
05/31/1989CN2038361U Shower capable of supplying water by weight of human bady
05/31/1989CN2038355U 自动饭锅 Automatic rice cooker
05/31/1989CN1033156A Preparation of raticide made from chinese herbal medicines
05/31/1989CN1033155A Composition and production method of acne-eliminating liquid
05/30/1989CA1254916A1 Equalizer clamp
05/30/1989CA1254734A1 Anatomical measuring device
05/24/1989EP0317010A1 Adjustable footstrap for sailboard
05/24/1989CN2038288U Leakage protecting single phase electric meter box
05/24/1989CN2038191U Tv light source with vision protecting function
05/24/1989CN2038187U Lamp for vehicle-repairing at night
05/24/1989CN2038186U Tool lamp for automobile
05/24/1989CN2038151U Quarrying machine
05/24/1989CN2038146U Drum-type back-flap
05/24/1989CN2038128U Building-block of sand-haydite concrete
05/24/1989CN2038085U Miniature dual safety life buoy
05/24/1989CN2038066U Vehicle balance deoscillator
05/24/1989CN2038017U Fishtail speed hydro-ski apparatus
05/24/1989CN2038013U Portable fire extinguishing rod containing difluoro-monochloro-monobromo methane
05/24/1989CN2037981U Plastic negative pressure test tube
05/24/1989CN2037974U Sofa-type electric shower device
05/24/1989CN2037973U Hand shower apparatus with massage function
05/24/1989CN2037971U Honeycomb briquet cutting device
05/24/1989CN2037922U Single handle scissors with long rod for fruit trees
05/24/1989CN1033067A Preparation method of polyester mixed paint
05/23/1989US4832945 Sodium bicarbonate suspension in a gel
05/23/1989CA1254656A1 Memory efficient cell texturing for advanced video object generator
05/17/1989CN2037899U Electricity-saving speed regulator for asynchronous motor
05/17/1989CN2037862U High-temp. insulated measurement and control wires
05/17/1989CN2037854U Coin separator capable of being operated by single hand
05/17/1989CN2037847U Computerized acidimeter
05/17/1989CN2037830U Portable heat-accumulating heating stove
05/17/1989CN2037806U Wall lamp, table lamp and dome lamp with reflected hologram
05/17/1989CN2037805U Screen-type decorative lamp with reflecting effect
05/17/1989CN2037792U Geared stepless variator
05/17/1989CN2037780U Crankshaft-less reciprocating air compressor
05/17/1989CN2037656U Gas-welding pipe-cutting machine
05/17/1989CN2037630U Continuous anaerobic sand filter
05/17/1989CN2037614U Once-used syringe having place for a liquid-medicine bottle
05/17/1989CN2037544U Recreation type boxing gloves
05/17/1989CN1032966A Natural ramie wall-paper
05/17/1989CN1032914A Moulding method using static differential pressure
05/17/1989CN1032902A Technological method for rapid-efficiency multipurpose skin salubrity powder and its application
05/17/1989CN1032901A Electrothermal contraceptive device for males
05/16/1989US4830744 Reverse osmosis assembly operating valve
05/16/1989CA1254246A1 Anti-sway trailer hitch
05/10/1989CN2037424U External circlic fluidization bed boiler
05/10/1989CN2037391U Controlling impact-absorbing drilling machine
05/10/1989CN2037390U Electric hammer with frequency following damping system
05/10/1989CN2037365U Reactor producting sodium ethyldithiocarbonate
05/10/1989CN2037285U Gas cutting device of gas cutting machine
05/10/1989CN2037254U Soft water unit
05/10/1989CN2037206U Electrothermal folding bathtub
05/10/1989CN2037205U Adjustable shower nozzle
05/10/1989CN2037203U Domestic vapour shower unit
05/10/1989CN2037197U Timing electrothermal pan device
05/10/1989CN1032828A Prepn. of leather-like card-board from secondary flax waste
05/10/1989CN1032742A Method for mfg. naolibao
05/09/1989CA1253966A1 Computerized parking system
05/09/1989CA1253846A1 Method for improving cuttings removal in drilling deviated wellbores
05/05/1989WO1989003670A1 Effervescent foaming bath
05/03/1989CN2037090U Less wire multi-way warner
05/03/1989CN2037081U Automatic information recorder
05/03/1989CN2037011U Constant power stepless speed-changing mechanism
05/03/1989CN2036982U Automatic elevating platform for wall treatment of storied building
05/03/1989CN2036857U Filtering equipment
05/03/1989CN2036809U Household folding shower curtain
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