Patents
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Patents for 1991 (697)
06/1991
06/12/1991CN2078798U Dust-remover for percussion electric drill
06/12/1991CN2078600U Disposable syrige for hemospasia
06/12/1991CN2078588U Electric heating thermal-insulation bath cover
06/12/1991CN2078587U Simple and durable treadle shower
06/12/1991CN2078586U Combinedd shower room
06/12/1991CN2078585U 两用热水淋浴器 Dual hot shower
06/12/1991CN1052229A Stepless speed variator for ac asynchronous motor
06/12/1991CN1052048A Process of preparing defatting medicine for health and beauty
06/12/1991CA2005275A1 Bimodular integrated circuit card payment system
06/11/1991CA1284832C Telecommunications connector
06/11/1991CA1284818C Switched capacitor induction motor drive
06/06/1991DE3645119C2 Speech or sound recognition device - has speech-sound models superimposed to reduce background hiss effects
06/05/1991CN2078463U Pressure-sensitive switch matrix for computer input by handwriting/keying
06/05/1991CN2078411U Flashlight for bicycle
06/05/1991CN2078376U Fuel-saving device by blending water in fuel for automobile engine
06/05/1991CN2078366U Stress device for hot extraction of thick oil
06/05/1991CN2078307U Hoist
06/05/1991CN2078136U Shower with electric brush head
06/05/1991CN2078135U Domestic heated shower
06/05/1991CN1051996A General chinese character system for computer
06/05/1991CN1051913A Technology of removing the heat source of pollution in the albumin products of hunan blood
06/05/1991CN1051861A Preparation method of compounded pills for renewing the cells
06/05/1991CN1051858A Preparation method of medicationg for curing the itch of sore and tinea
06/05/1991CA2004640A1 Hand grip and control assembly
05/1991
05/29/1991EP0429320A2 Weapon with recoil buffer
05/29/1991CN2078057U Y model power saving device for automatic switching over motor
05/29/1991CN2077681U Magnetizing shower nozzle
05/29/1991CN1051710A Process for preparing of high silicon y zeolite
05/29/1991CN1051674A Formulation and preparation of spur-subsiding pill
05/29/1991CN1051673A Preparation of haematic contraceptive syrup
05/29/1991CN1051672A Cleaning cream being in no need of water
05/22/1991CN2077492U Self-controlled unloading energy-saving unit for air compressor
05/22/1991CN1051657A Potential dividing inversion electronic ballast
05/22/1991CN1051656A 高效电子镇流器 Efficient electronic ballasts
05/22/1991CN1051505A Production method of houyongling ( a meicine for treating retropharyngeal abscess )
05/22/1991CN1051504A Compounding method of regeneration powder and technological process thereof
05/16/1991CA2003904A1 Electronic flow-meter
05/15/1991EP0427411A2 Photoprotection compositions having improved substantivity
05/15/1991CN2077181U Electronic ballast of fluorescent lamp
05/15/1991CN2077140U Microcomputer expand tubes control instrument
05/15/1991CN2077132U Logic analyzer
05/15/1991CN2077077U Smog light source
05/15/1991CN2076813U Pressure cooker steam heating, shower unit
05/15/1991CN1051342A Coldsmashed carbon material
05/15/1991CN1051334A Synthesis of zeolite by vapor-phase method
05/15/1991CN1051300A Oral medicinal liquor made up of beggar-ticks and the prodn. method
05/15/1991CN1012610B Method for mfg. bactericide powder for poultry
05/15/1991CA2002984A1 Split receptacle - 240 volt adapter
05/10/1991CA2042354A1 Guiding light
05/08/1991CN2076727U Automatic tracking electricity saver for three-phase ac asynchronous motor
05/08/1991CN2076634U Star shaped energy-saving lamps and lanterns
05/08/1991CN2076423U Fluoride-bearing toothpaste for preventing dental caries
05/08/1991CN2076404U Anus proctoscope
05/08/1991CN2076393U Adjustable shower with energy-saving and fast heating features
05/08/1991CN2076387U Honeycomb briquet tongs
05/08/1991CN1051281A Electronic ballast of fluorescent lamp with current follow-up circuit
05/08/1991CN1051193A Foaming agent for preparing foam fracturing liquid
05/08/1991CN1051123A Health bath liq. for improving microcirculation
05/08/1991CA2002529A1 Mounting device for picture frame
05/03/1991CA2002166A1 Zero insertion force electrical connector
05/01/1991CN2076280U Energy-saving controller for three-phase a. c. moment motor
05/01/1991CN2076274U Socket arrangement
05/01/1991CN2076269U Button magnetic switch
05/01/1991CN2076198U Stepped circulation fluidized-bed burning apparatus
05/01/1991CN2076171U Bottom valve for energy-saving water pump
05/01/1991CN2076155U Rig substructure without necessity for foundation
05/01/1991CN2075941U Device for taking sample of blood from mouse tail
05/01/1991CN2075929U Umbrella type folding bath cover
05/01/1991CN2075928U Improved household simple shower appliance
05/01/1991CN1050990A Anti-cancer medicine made of croton and its preparation
04/1991
04/30/1991CA1283506C Portable shower system
04/24/1991EP0423175A1 Drive assembly having dual neutrality control
04/24/1991CN2075845U Electronic ballast
04/24/1991CN2075737U All direction searching lamp and its controller
04/24/1991CN2075504U Disposable vacuum examination blood sampler
04/24/1991CN2075491U Adjustable cold/hot water mixing shower device
04/24/1991CN2075490U Domestic electronic shower device
04/24/1991CN2075442U Emulsion gloves with surface convex
04/24/1991CN2075416U Flexible cutter driven by crank lever swing mechanism
04/24/1991CN1050825A Producing method of quick diarrhoea-stoped capsule
04/24/1991CN1012418B Reduction cream and its producing method
04/24/1991CN1012417B Fluoridized anticarious toothpaste
04/20/1991CA2028093A1 Commodity flow control system
04/18/1991WO1991005318A1 Rapid coin acceptor
04/17/1991CN2075343U Portable lossless detector for pile base
04/17/1991CN2075333U Cross pulling type sensor
04/17/1991CN2075298U Anti-glaring lamp gulb for motor driven vehicle
04/17/1991CN2075296U Double type electric torch
04/17/1991CN2075295U Portable lamp with magnetic holder and ball wire spool
04/17/1991CN2075080U Elastic bandaga
04/17/1991CN1050683A Specific medicine for neuralgia, arthralgia, poliomyelitis sequel
04/11/1991CA2027147A1 High density and high signal integrity connector
04/10/1991CN2074932U Current mutual-inductor
04/10/1991CN2074924U Comprehensive treating equipment for silkworm cocoon purchase
04/10/1991CN2074859U Hot air steam mixing type vortex burning furnace
04/10/1991CN2074858U Slight incline type bar drawing grate boiler
04/10/1991CN2074622U Anorectal lens
04/10/1991CN2074613U Water storage tank of electric shower
04/10/1991CN2074612U Multifunctional bath shower
04/10/1991CN1050659A High frequency boost electronic ballast for cold cathod fluorescent lamp
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