| Patents for 1990 (564) |
|---|
| 12/27/1990 | EP0403715A1 Sound-insulating partition module, sound-insulating cases and rooms using such a module |
| 12/27/1990 | CA1278353C Railway vehicle motion detector |
| 12/27/1990 | CA1278261C Muffler |
| 12/26/1990 | CN2068303U Electronic ballast for fluorescent lamp |
| 12/26/1990 | CN2068190U Removing lampshade-changing standard lamp |
| 12/26/1990 | CN2068189U Automatic lamp for surveying instrument's reading |
| 12/26/1990 | CN2068188U Multi-functional portable energy-saving lamp |
| 12/26/1990 | CN2068161U Deep-well pump with centrifugal impeller on water |
| 12/26/1990 | CN2068107U Expressway sign device |
| 12/26/1990 | CN2067970U Tiny smoke moxibustion unit |
| 12/26/1990 | CN2067967U Dispensable laboratory test hemospast with negative pressure mechanism |
| 12/26/1990 | CN2067966U Air-out dispensable laboratory test hemospast |
| 12/26/1990 | CN2067957U Changing and both separating room |
| 12/26/1990 | CN1048113A Computer control system for double series tank and high pressure blow smelting operation |
| 12/26/1990 | CN1047975A Method for prepn. of anticancer medicine |
| 12/26/1990 | CN1047972A Frostbite and chap preventing cream |
| 12/26/1990 | CN1047962A Chewing gum containing zein coated high-potency sweetener and method |
| 12/19/1990 | CN2067763U Fuel-oil emulsion economizer |
| 12/19/1990 | CN2067752U Light driller with diesel engine |
| 12/19/1990 | CN2067751U Gj150 style engineering driller |
| 12/19/1990 | CN2067551U Disposable blood sampler |
| 12/19/1990 | CN1047806A Preparation of injection for anal fistula |
| 12/19/1990 | CN1047804A Preparation of traditional chinese medicine used externally for prevention and cure of encephalvascular deseases |
| 12/19/1990 | CN1047800A Perming agent and preparation thereof |
| 12/19/1990 | CN1010900B Central control and timing card for microcomputer apple |
| 12/18/1990 | US4978307 Electrical socket for substrates |
| 12/12/1990 | CN2067473U Energy-saving double electronic fluorescent lamp |
| 12/12/1990 | CN2067115U Shower appliance |
| 12/12/1990 | CN2067078U Folding portable basket |
| 12/12/1990 | CN1047778A Circuit for fluorescent lamp with regulating power and low-pressure dc |
| 12/12/1990 | CN1047626A Preparation of health oral liquid |
| 12/12/1990 | CN1047625A Preparation of cough-treatment oral medicinal liquid |
| 12/12/1990 | CN1047624A Preparation of oral asthma medicinal liquid |
| 12/12/1990 | CN1047623A Preparation of syrup improving brain |
| 12/12/1990 | CN1047622A Preparation of hair darken drug |
| 12/12/1990 | CN1047621A Chemicals curing piles |
| 12/12/1990 | CN1047619A Shampoo having killing germ and louse capacity |
| 12/12/1990 | CN1010745B Preparation of gelatin of chinese medicine for curing blockage |
| 12/11/1990 | US4976451 Human powered vehicle |
| 12/11/1990 | CA1277513C Hydraulic control for vehicle transmissions to be shifted automatically |
| 12/05/1990 | CN2067058U Low voltage safety electronic power saving lighting device |
| 12/05/1990 | CN2067005U Magnetic strip reading and writing device |
| 12/05/1990 | CN2066972U Foil gage with fixing frame |
| 12/05/1990 | CN2066929U 旋转开关台灯 Rotary switch lamp |
| 12/05/1990 | CN2066928U Remote control for single return lightening lamp |
| 12/05/1990 | CN2066890U Drilling machine by air |
| 12/05/1990 | CN2066720U High-frequency multi-funciton cosmetology |
| 12/05/1990 | CN2066708U Hand holding type shower nozzle with medical health care function |
| 12/05/1990 | CN1047600A Multichannel radio telephone control method and system |
| 12/05/1990 | CN1047453A Compounding method of five magical effect stomach medicinal powder |
| 12/05/1990 | CN1047449A Health nourishing toothpaste containing filament |
| 12/05/1990 | CN1010662B Preparation of rhizoma gastrodiae tablets for relieving headache |
| 12/05/1990 | CN1010660B Genseng wrinkle-resisting cream and its production |
| 12/05/1990 | CN1010659B Method for making hair-blackening tooth-powder |
| 12/04/1990 | CA1277428C Electronic publishing system |
| 11/28/1990 | CN2066455U Road deformed marking |
| 11/28/1990 | CN2066428U 填充气袋 Filled with airbags |
| 11/28/1990 | CN2066312U Moxibustion device |
| 11/28/1990 | CN2066296U Plastic-film bath casing with-stand not nestling to skin and ultra insulation functions |
| 11/28/1990 | CN2066293U Clip for carrying honeycomb briquet |
| 11/28/1990 | CN1047425A Controller for alternating-eddy-current braking speed regulation |
| 11/28/1990 | CN1047414A Technology for making computer firmware based on information in static storage chips |
| 11/28/1990 | CN1047409A Integrated processing system for whole course of silkworm cocoon purchase |
| 11/28/1990 | CN1047378A Three-swirl internal-separating circulating bed boiler |
| 11/28/1990 | CN1047338A Distillation of edible alcohol |
| 11/28/1990 | CN1047258A Convenient mailbox with less space occupation |
| 11/28/1990 | CN1047240A Oil-film damping method and structure for rolling guide |
| 11/27/1990 | CA1276996C Low profile modular phone jack assembly |
| 11/21/1990 | CN2066224U Electronic ballast with improving protective device |
| 11/21/1990 | CN2066185U Trunk transformer raising release factor |
| 11/21/1990 | CN2066148U Pen type logical testing unit |
| 11/21/1990 | CN2065887U Medical fire needle treating instrument |
| 11/21/1990 | CN2065878U Glass subatmospheric pressure test tube |
| 11/21/1990 | CN2065870U Domestic solar energy shower bath unit |
| 11/21/1990 | CN1047033A Method for producing effective beriberi distillate "once effeclive" "beriberi annihilated" |
| 11/21/1990 | CN1047032A Process for mineral coagulant liquid for tooth-paste glue |
| 11/14/1990 | EP0397595A2 A method for the evaluation of antiallergic substances |
| 11/14/1990 | CN2065800U Photo-electricity control electric motor power-saving device with power factor measuring |
| 11/14/1990 | CN2065718U Multi-funciton hot-air furnace |
| 11/14/1990 | CN2065666U Drilling machine for concrete |
| 11/14/1990 | CN2065472U Device for moxibustion |
| 11/14/1990 | CN2065451U Inflatable folding bath room |
| 11/14/1990 | CN2065450U Support folding bath cabinet |
| 11/14/1990 | CN1046957A Mine ventilation dedusting method and device |
| 11/14/1990 | CN1046849A Producing method of eucommia bark waist tonic |
| 11/14/1990 | CN1010437B Real-time image neighbourhood processor |
| 11/14/1990 | CN1010404B Optical fibre manufacture |
| 11/14/1990 | CN1010372B Rhubarb processing technology by hot pressurizing method |
| 11/13/1990 | CA1276301C Travel management system |
| 11/07/1990 | CN2065389U Dc fluorescent lamp |
| 11/07/1990 | CN2065324U Intelligent ultrasonic integral tester for concrete resilience |
| 11/07/1990 | CN2065243U Water-adding, atomizing and economizing device of gasoline engine |
| 11/07/1990 | CN2065204U Protecting jacket of piling bar |
| 11/07/1990 | CN2064999U Synchronous cross pressing device of wall-type sole-stitching machine |
| 11/07/1990 | CN1046791A Stepless automatic variator with constant mesh gears |
| 11/07/1990 | CN1046695A Axle system for precise machine-tools |
| 11/07/1990 | CN1046681A Process for preparing medicine "huoluanning" to cure poultry cholera |
| 11/07/1990 | CN1046680A Method for producing trichosanthes-protein capsule for animal |
| 11/07/1990 | CN1046679A Process for preparing anemia medicine "pinxueling" |
| 11/07/1990 | CN1046673A Erasing agent for tooth with pigmented spot |