Patents
Patents for 1987 (650)
05/1987
05/20/1987CN85108531A Preparation of methionine by hydrolyzing 5-(beta-methylmercaptan ethyl) hydantoin
05/19/1987CA1221917A1 Ear protector for keeping down sound and associated filter
05/19/1987CA1221872A1 Automatic mechanical resonant frequency detector and driver for shuttle printer mechanism
05/13/1987EP0221244A2 Variable speed pump-up control method and apparatus
05/13/1987CN86205066U Valve type uterine cap
05/13/1987CN86204137U Electric shower in which water is as resistor
05/13/1987CN86203354U Box type electric heating with shower plastics case
05/13/1987CN86202074U Combined multi-chamber chafing dish
05/13/1987CN85205815U 双层包厢卧席型长途客车 Double box lying on I-Coach
05/13/1987CN85205364U 带安全用电装置的dz 5—20自动开关 Dz 5-20 automatic power switch with safety device
05/13/1987CN85204790U 以数字锁相环路控制液体流量的定量输液泵 Digital PLL control liquid flow quantification infusion pump
05/13/1987CN85203008U 一种折叠式浴盆 A folding tub
05/13/1987CN85108153A High temp.-proof and concentrated salts resistant reduced dehydration resin for petroleum drilling slurry
05/13/1987CN85106928A Adaptor for use with a multi-jaw chuck
05/13/1987CN85106497A Thin, soft, absorbent product
05/12/1987US4664458 Printed circuit board connector
05/07/1987WO1987002785A1 Amplitude-weighting adaptive laser
05/07/1987DE3538750A1 Hair-colouring compositions
05/06/1987CN86206822U Spoilage-proof pot for cooked food
05/06/1987CN86204494U High pressure polythene secondary foaming machine
05/06/1987CN86203798U Folding two-purpose plastics bathroom
05/06/1987CN86202907U Universal clothes hanger
05/06/1987CN86201580U Multi-purpose table lamp
05/06/1987CN86201388U Golden-monkey-shaped lamp
05/06/1987CN86103100A Gyromagnetic machine without rubbing wear
05/06/1987CN85108022A Method of making throwing type fire-extinguishing grenade
05/06/1987CN85107994A Method for preparing storable extract of spring yellow chrysanthemum with rich activated substances
05/06/1987CN85106226A Printing time control circuit of heat-sensitive recording head
05/06/1987CN85104329A Production method of antibacillory dysentery medicine
05/05/1987US4662581 Modified null flow modulator
04/1987
04/29/1987CN86202910U Float assistor for swim
04/29/1987CN86202564U Back-mounted, counter balanced cable laying and collecting equipment
04/29/1987CN86102508A Method for the preparation of polyester component of polyurethane paints from the waste liquor and residue of polyester fiber
04/29/1987CN85107794A Recovery of gold from refractory auriferous iron-containing sulphidic material
04/29/1987CN85105833A Control for thermo-power plant
04/28/1987US4661629 Separation of phenylalanine from phenylalanine ethyl ester
04/22/1987CN86202273U Spark eliminating device
04/22/1987CN86106785A Automatic label cleaner of glass bottles
04/22/1987CN86105233A Mosquito-repelling talcum powder
04/22/1987CN85205062U Non-burnt cooker
04/22/1987CN85204865U Bathing cover
04/22/1987CN85203502U Portable scaffold
04/22/1987CN85200590U Portabla pincers
04/22/1987CN85107718A Technology of producing height-growing drugs
04/21/1987USPP5947 Apple tree--Elbee
04/21/1987US4659861 Hydraulic pressure transmission fluids
04/15/1987CN86204556U Closed cervical cap
04/15/1987CN86203623U Electromagnetic equidisplacement physical training device
04/15/1987CN86201216U Shingle lap cooker-skirt for heat-collecting
04/15/1987CN86107750A 带火柴香烟的制备方法 Preparation matches with cigarette
04/15/1987CN85205716U Series light transformer for both d.c.and a.c. tests
04/15/1987CN85108380A High flux membrane
04/15/1987CN85107497A Automatic transmission control
04/15/1987CN85107481A Method and apparatus for mounting the pneumatic tyre to the rim
04/15/1987CN85107463A Safety plug with distinguishing live wire from neutral one and quick changing connection of electric appliance
04/15/1987CN85107399A Linkage transmission system of automobile accelerator and brake
04/15/1987CN85107395A Access verification arrangement for digital data processing system wich has demand-paged memory
04/15/1987CN85107262A Process of reduction of palladium oxide into palladium
04/14/1987USPP5937 Apple tree--Jonagored
04/14/1987US4658197 Motor control circuit
04/14/1987CA1220574A1 Safety grade pressurizer heater power supply connector assembly
04/14/1987CA1220535A1 Circuit board connector assembly having independent contact segments
04/09/1987WO1987002166A1 Improvements relating to wafer scale integrated circuits
04/08/1987CN86204308U Medical neck dip compass
04/08/1987CN86203649U Improved watch-type magnetotherapy divice
04/08/1987CN86203442U Microlamp
04/08/1987CN86203038U Stand for hanging clothes for bedroom use
04/08/1987CN86201373U Multi-ring contraceptive
04/08/1987CN86101231A Shockproof transmission device for measuring position of clearance between rolls of electro-powered pressing-down type mill
04/08/1987CN85107050A Automatic transmission controls
04/08/1987CN85107043A Colouration technique for aluminium alloy zipper
04/07/1987US4655877 Absorbent web structure
04/07/1987CA1220283A1 Speech signal detector having adaptive threshold values
04/01/1987CN86205069U Shower bath using water electric heated
04/01/1987CN86204392U Collapsible oil stove
04/01/1987CN86201052U Portable universal plastic shower bucket
04/01/1987CN85205138U 麻花钻锥面磨削装置 Twist Cone Grinding device
04/01/1987CN85204135U 化学充气式水上救生装置 Chemical inflatable water rescue equipment
04/01/1987CN85108106A Transistor inverter device
04/01/1987CN85107421A 环境、交通噪声及流量分析打印仪 Environmental, traffic noise and traffic analysis instrument Print
04/01/1987CN85107234A 使用导纳调制膜的化学选择传感器 Use admittance modulation film chemical sensors choice
04/01/1987CN85107204A 工业级五氯苯酚的提纯方法 Purification methods of industrial grade pentachlorophenol
04/01/1987CN85107153A Immersion of concentrated zinc or zinc sulfide ore under normal pressure
04/01/1987CN85107079A Method for controlling ac induction motor
04/01/1987CN85107013A Multistage annealing of aramide reverse osmosis membranes
04/01/1987CN85107011A Reverse osmosis membranes and process for their preparation
03/1987
03/31/1987US4654440 Ammonia, hydrogen, copper, antimony, tin, manganese oxides
03/31/1987US4653823 Electrical connector apparatus
03/25/1987EP0215185A1 Steering block
03/25/1987CN86204842U 液体加热容器快热底 Fast heat a liquid heating vessel bottom
03/25/1987CN86203157U High-speed sprinkling valve
03/25/1987CN86203045U 多用插头 Multi-Plug
03/25/1987CN86201257U Electronic audible extractor for intrautering device
03/25/1987CN86106296A Wood adhensive
03/25/1987CN86103503A 电机共控折弯机 Total motor control bender
03/25/1987CN85205427U 揿钮的凹爿 Snap concave valves
03/25/1987CN85106825A Pseudo-ginseng toothpaste essence blending process and its application
03/25/1987CN85106773A Magnetic health ball
03/25/1987CN85106734A Breathable baffle composite
03/25/1987CN85106648A Method and apparatus for friction spinning head yarn at a free end
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