| Patents for 1989 (892) |
|---|
| 03/15/1989 | CN2034153U Self-lifesaving appliance for swimming |
| 03/15/1989 | CN2034151U Submersible pleasure boat |
| 03/15/1989 | CN2034066U Foldable fire extinguishing vehicle |
| 03/15/1989 | CN2034065U Handy dry-chemical fire extinguishing staff |
| 03/15/1989 | CN2034059U Opener for medicamentous injection bottle |
| 03/15/1989 | CN2034040U 医用采血器 Medical blood collection |
| 03/15/1989 | CN2034039U Automatic blood mixer |
| 03/15/1989 | CN2034038U Z shaped colonoscope |
| 03/15/1989 | CN2033987U Helmet with luminous displaying device |
| 03/15/1989 | CN1031738A Prepn. of iodine-adhered anti-septic paper with broad-spectrum sterilization |
| 03/14/1989 | US4813075 Method for determining the variation with time of a speech parameter and arrangement for carryin out the method |
| 03/14/1989 | CA1251264A1 Pulse electro-magnetic field therapy device with auto biased circuit and method for use |
| 03/08/1989 | CN2033950U Complete set distribution equipment |
| 03/08/1989 | CN2033876U Flashlight integrated with bettery |
| 03/08/1989 | CN2033856U Valve control mechanism of ejection-suction type impactor |
| 03/08/1989 | CN2033855U Internally rotating hydraulic jackdrill |
| 03/08/1989 | CN2033854U Pneumatic rock drill beneficial to forming tunnel |
| 03/08/1989 | CN2033768U Quik tyre fitting apparatus |
| 03/08/1989 | CN2033703U Multi-effect apparatus for fibre-dedusting and waste gas recovery and cleaning |
| 03/08/1989 | CN2033692U Disposable injector |
| 03/08/1989 | CN2033691U Infusion terminal filter for medical treatment |
| 03/08/1989 | CN2033676U Bed for back and waist recovery by force and magnetism |
| 03/08/1989 | CN2033674U Electromechanical automatic bed for controlling breath and pulse |
| 03/08/1989 | CN2033653U Tong for honeycomb coal briguet cutting off |
| 03/08/1989 | CN2033648U Electricity saving controller of insulating electric pot |
| 03/08/1989 | CN1031598A Internal circulating fluidized bed type boiler and method of controlling same |
| 03/08/1989 | CN1031566A Catalytic oxidation acid method pretreatment for hard smelting aurin mineral |
| 03/07/1989 | US4810823 Carbocyclic derivatives |
| 03/07/1989 | CA1250917A2 Positive retention electrical connector |
| 03/07/1989 | CA1250895A1 Laser communication system |
| 03/07/1989 | CA1250784A1 Fluid jet print head |
| 03/07/1989 | CA1250748A1 Grass/lawn debris handling system |
| 03/01/1989 | CN2033540U Small-sized, special current transformer |
| 03/01/1989 | CN2033470U Step-rate, dowble bed, cycling fluidized-bed combustion boiler |
| 03/01/1989 | CN2033361U Car chair capable of adjusting the angle of back |
| 03/01/1989 | CN2033288U Fiber-bundle filter |
| 03/01/1989 | CN2033287U Biological film filter |
| 03/01/1989 | CN2033271U Automatic device of putting out a fire |
| 03/01/1989 | CN2033270U Medical magnetic ball |
| 03/01/1989 | CN2033267U Washing appliance of treating disease of anus |
| 03/01/1989 | CN2033264U Multipurpose electrothermic mattress cover |
| 03/01/1989 | CN2033255U Appliance to wear condom quickly |
| 03/01/1989 | CN2033241U Single handle showering valve of the cold and hot water |
| 03/01/1989 | CN2033239U Valve of adjustable the temp. and saving water |
| 03/01/1989 | CN2033238U Suppressing shower bath |
| 03/01/1989 | CN2033237U Electrical-heating shower using maifanshi mineral water |
| 03/01/1989 | CN1031368A Method of extracting hexanedinitrile from heavy residue discharged from hexanedinitrile synthesis unit |
| 03/01/1989 | CN1031327A Manufacturing process of chinese ready-made medicine for tracheitis asthma treatment |
| 03/01/1989 | CN1031322A Super nutritive strong and handsome liquid |
| 03/01/1989 | CN1031318A Submergible laryngeal observer battery housing |
| 02/28/1989 | USRE32881 Clamping device |
| 02/28/1989 | USRE32880 Rolling diaphragm metering valve |
| 02/28/1989 | USRE32879 Tamper indicating screw cap |
| 02/28/1989 | USRE32878 Counterbalance device and torsion member usable therein |
| 02/28/1989 | US4808753 Antitumor agents |
| 02/28/1989 | CA1250475A1 Torque assist device for a multi-barrel weapon |
| 02/22/1989 | CN2033160U Level protective case wire with fixed case |
| 02/22/1989 | CN2033082U Folding plastics colour lamp |
| 02/22/1989 | CN2033031U Prestressed reinforcement concrete light standard circular aperture plate |
| 02/22/1989 | CN2033030U Spigot and faucet hanging roof boom |
| 02/22/1989 | CN2032986U Automatic gas-filled lifesaving bag on water |
| 02/22/1989 | CN2032963U Fire extinguisher for vehicles |
| 02/22/1989 | CN2032957U Dual-purpose device for sitting and sleeping |
| 02/22/1989 | CN2032956U Three-direction hanging damper chair |
| 02/22/1989 | CN2032892U Pressure storage hand air fire foam unit |
| 02/22/1989 | CN2032891U Film boost dry-chemical fire extinguisher |
| 02/22/1989 | CN2032851U Dual-purpose tempering tap for shower and bothtub |
| 02/22/1989 | CN2032849U Shower spraying massager |
| 02/22/1989 | CN2032840U Hot spraying iron compositio metal pot |
| 02/22/1989 | CN1031181A Rapid freezing cup for blood ammonia determination |
| 02/21/1989 | US4806689 Zeolite Rho as catalyst for conversion of methanol and ammonia to dimethylamine |
| 02/21/1989 | US4806245 Pervaporation of phenols |
| 02/21/1989 | CA1250367A1 Method of and apparatus for estimating life expectancy of mechanical structures |
| 02/15/1989 | CN2032772U Simple wire clip |
| 02/15/1989 | CN2032769U Safety constant voltage branch dial |
| 02/15/1989 | CN2032678U Chain belt type moving core grate |
| 02/15/1989 | CN2032657U Energy-saving filter screen assembly for bottom valve of water pump |
| 02/15/1989 | CN2032574U Back carry type passenger automobile |
| 02/15/1989 | CN2032568U Apparatus for mounting or removing tyres |
| 02/15/1989 | CN2032494U Drainer of corrosion-resistance liquid |
| 02/15/1989 | CN2032467U Ampoule cutting pliers |
| 02/15/1989 | CN2032453U Device for artificial insemination of domestic duck |
| 02/15/1989 | CN2032441U Temp. control water-saving valve |
| 02/15/1989 | CN1031143A Chinese word processing device |
| 02/15/1989 | CN1031024A Diaper cream made from chinese herbal medicines and its production |
| 02/15/1989 | CN1031023A Genseng wrinkle-resisting cream and its production |
| 02/15/1989 | CN1031022A Channel-stimulating and hair-growing hair shampoo |
| 02/15/1989 | CN1031021A Cosmetic capable of beautifying women's breasts |
| 02/15/1989 | CN1031020A Breast-beautifying cream made from chinese herbal medicines and its preparation |
| 02/14/1989 | CA1249963A1 Movable seat, especially seat separable from vehicle |
| 02/08/1989 | CN2032375U Combined speed regulator for change-pole motor |
| 02/08/1989 | CN2032374U Decoupling control frequency conversion speed regulation system |
| 02/08/1989 | CN2032368U Device for winding trail wires of electric appliance |
| 02/08/1989 | CN2032282U Energy-saving wax mineral candle chimney without lachrymation |
| 02/08/1989 | CN2032277U Cycloid pin-gear differential speed reducer |
| 02/08/1989 | CN2032157U Damping chair |
| 02/08/1989 | CN2032079U Computer controlling automatic fire extinguisher |
| 02/08/1989 | CN2032078U Multi-head fire extinguishing whip |
| 02/08/1989 | CN2032055U Magneto-therapeutic body-building spring mattress |
| 02/08/1989 | CN2032041U 电热间接喉镜 Electric indirect laryngoscopy |