Patents
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Patents for 1990 (564)
11/1990
11/07/1990CN1046654A Portable automatic pruning machine for garden
11/07/1990CN1010278B Breast-beautifying cream made from chinese herbal medicines and its preparation
11/06/1990CA1275827C Locking differential
10/1990
10/31/1990DE3914394A1 Oxidn. hair dye contg. 1,3-di:ethyl-2,5-di:aminobenzene - as developer, producing stable, deep shades and physiologically well tolerated
10/31/1990CN2064977U High-efficiency ballast for fluorescent lamp
10/31/1990CN2064924U Phonetics signal processing device
10/31/1990CN2064858U Waterproof lamps and lanterns sealed structure
10/31/1990CN2064856U Plastic electric pearl socket for flashlight
10/31/1990CN2064855U Water poof, anti-shock and rotary switch flashight
10/31/1990CN2064823U Explosion-safe small size pneumatic jack-drill unit for mine
10/31/1990CN2064822U Mechanical sealed wet coal electric drill speed reducer
10/31/1990CN2064795U Rail type hanging-out wall attached scaffold
10/31/1990CN2064628U Air-filled shower cover
10/31/1990CN2064627U Domestic shower bath
10/31/1990CN2064626U Adjustable temp. electrothermal shower
10/31/1990CN1046634A Release factor increased relay transformer
10/31/1990CN1046581A Hollow drilling of building material performed by an electric hand drill
10/31/1990CN1046460A Tiexiang cancer healing powder
10/31/1990CN1010273B Transistor inverter device
10/30/1990CA1275736C Processing system for a gambling game
10/30/1990CA1275711C Protected potted metallized film capacitor
10/24/1990CN2064545U Rubber sockets with six cores
10/24/1990CN2064428U Composite intake-exhaust valve with glossa shape spring lamination
10/24/1990CN2064389U Steel cantilever used for bottom-hole moudle of elevator specifically
10/24/1990CN2064221U Medical electric high frequency operation-apparatus controlled by computer
10/24/1990CN2064220U Cryogenic device for the treatment of fistula in front of ear
10/24/1990CN2064218U Photoelectric instrument for examining the anaemia
10/24/1990CN1046434A Electronic ballast of high-intensity gas discharging lamp
10/24/1990CN1046412A Three-phase voltage mutual inductor resisting electric resonance
10/24/1990CN1046403A Controlling device for process of miniature industry
10/24/1990CN1046336A Process of synthesizing protein with pulping black liquor
10/24/1990CN1046284A New process for preparing dental medicine "chitongning"
10/24/1990CN1046280A Fragrant hand cream and preparation thereof
10/24/1990CN1010162B Acceleration/deceleration control apparatus using slip speed
10/24/1990CN1010081B Shower unit
10/24/1990CA2003686A1 Headlamp assembly
10/17/1990CN2064117U Glass fibre reinforced plastic cable junction bridge support
10/17/1990CN2064089U Charactor and picture displaying device
10/17/1990CN2064004U Photo-controlled myopia-proof table lamp
10/17/1990CN2063879U Cap of fountain pen
10/17/1990CN2063787U Water storage type electrothermal shower bath device
10/17/1990CN1046257A Electronic ballast of sodium lamp
10/17/1990CN1046249A Circuit parameters of gated speed-regulating device
10/11/1990DE3911596A1 Comminuting appliance
10/10/1990CN2063719U Speed regulator for capacitor operated single phase asynchronous motor
10/10/1990CN2063667U Price calculating apparatus for medicine
10/10/1990CN2063647U Rod electhode with tip
10/10/1990CN2063605U Portable torch type laser indicator
10/10/1990CN2063398U Gi-896 model multifunction pillow for endoscopy
10/10/1990CN2063389U Quick-heating shower appliance
10/10/1990CN1045924A Prepn. of medicine of recovering craftsmanship
10/10/1990CN1009985B Energy-saving controller of ac asynchronous motor
10/10/1990CA2004072A1 Methods and apparatus for monitoring system performance
10/04/1990CA2013630A1 Method and apparatus for insurance rating
10/03/1990CN2063166U Handheld pneumatic drill for mining coal
10/03/1990CN1045890A Triple electrode terminal process for monazite ceramic capacitor
10/03/1990CN1045854A Flexible electric torch
10/03/1990CN1045703A Process technology for preparation of medicinal liquid for tinea
10/03/1990CN1045699A Hair protective and beauty cosmetics made form margosic oil
10/03/1990CN1045698A Method for making hair regenerating tonic
10/03/1990CN1009799B Process for obtaining no-calorie, non-cariogenic chewing gum
09/1990
09/26/1990CN2062874U Portable automatic alarm for forest fire accident
09/26/1990CN2062782U 携带式信号灯 Portable lights
09/26/1990CN2062780U Fluorescent lamp type portable double-purpose electric torch
09/26/1990CN2062779U Once-used electric torch without crust
09/26/1990CN2062616U Absorbent pads for sexual intercourse
09/26/1990CN2062607U Medical electric cutter absorbing smoke
09/26/1990CN2062604U Once-used sterile blood sampler
09/26/1990CN2062598U Fogging shower
09/26/1990CN2062597U Rotatable shower
09/26/1990CN1045527A Preparation of antidiarrheal syrup for babies
09/26/1990CN1045525A Preparation of medicinal plaster and powder for curing spur
09/26/1990CN1045523A Preparation method of bath lotion against venereal disease
09/26/1990CN1009708B Process for production of a good remedy for fowl diarrhea
09/25/1990CA2029870A1 Tool configuration drawing system
09/25/1990CA1274606A1 Gas turbine engine control
09/21/1990CA2010702A1 Laod piston reset control mechanism
09/19/1990CN2062405U Large multi-functional colour-changing light column
09/19/1990CN2062403U 蜡烛灯 Candle Light
09/19/1990CN2062402U Flashlight with reflacting device
09/19/1990CN2062401U Three-colour signal flashlight
09/19/1990CN2062380U Rock drill duster
09/19/1990CN2062198U High efficient water heater for bath
09/19/1990CN2062197U Multi-purpose smoke isolator for cooking device
09/19/1990CN1045474A Plastic building block method and device for storing dot matrix chinese characters
09/19/1990CN1045443A Energy-saving method for cooling internal combustion engine by spraying water
09/19/1990CN1045352A Process for preparing oral influenza liquid medicine
09/19/1990CN1045351A Process for preparing chronic atrophic gastritis medicine
09/19/1990CN1045349A Non-toxic hair-dye made from natural dye-stuff
09/19/1990CN1009690B Ladder substrate laser with internal strips
09/18/1990CA1274318A1 Floating point unit interface
09/13/1990CA2012023A1 Method and apparatus for power generation
09/12/1990CN2062053U High-voltage connecting wire with indicating function
09/12/1990CN2062013U Dual-direction burner
09/12/1990CN2062007U Vehicle head-light device
09/12/1990CN2061855U Tape card tv screen game
09/12/1990CN2061817U Combined shower bath cabinet
09/12/1990CN2061815U 淋浴器 Shower
09/12/1990CN2061805U Flowerpot for christmas tree
09/11/1990US4956195 Flavors, deodorizing for beer and ale
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