| Patents for 1989 (892) |
|---|
| 07/12/1989 | CN2040985U Multifunction art lamp |
| 07/12/1989 | CN2040933U Cleaner for pool |
| 07/12/1989 | CN2040930U Light steel keel |
| 07/12/1989 | CN2040778U Opener for ampoules |
| 07/12/1989 | CN2040774U Elastic birth control device for uterus fallopian tube |
| 07/12/1989 | CN2040760U Combined convenient bath implement |
| 07/12/1989 | CN2040759U Household shower cubicle |
| 07/12/1989 | CN2040758U Multifunction shower device |
| 07/12/1989 | CN2040757U Intelligence type gas-burning water heater |
| 07/12/1989 | CN2040692U Saw type harvester |
| 07/12/1989 | CN1033913A Speed regulator of variable-pole motor combination |
| 07/12/1989 | CN1033891A Computer-monitered hydraulically-pushing pipe bending machine using medium-frequency induced local heating |
| 07/12/1989 | CN1033768A Fibre-reinforced plastic board and its production technology |
| 07/12/1989 | CN1004782B Digital phase-locked follow-up speed-regulating system |
| 07/12/1989 | CN1004780B Semiconductor |
| 07/11/1989 | US4846744 Adjustable footstrap for sailboard |
| 07/05/1989 | CN2040675U Universal power source socket |
| 07/05/1989 | CN2040654U Simple coin dividing counter |
| 07/05/1989 | CN2040630U 9 mm pistol |
| 07/05/1989 | CN2040582U Chain-grate combustion apparatus |
| 07/05/1989 | CN2040517U Roof boarding |
| 07/05/1989 | CN2040515U Connector used in building internal insulating method of house wall |
| 07/05/1989 | CN2040505U Flat shape reel toilet paper and its forming equipment |
| 07/05/1989 | CN2040420U Proportion amplification profiling gas cutter |
| 07/05/1989 | CN2040397U Cooking oil filter |
| 07/05/1989 | CN2040389U Intelligent chess played by computer |
| 07/05/1989 | CN2040367U Special metal cap for laser coronary artery forming operation |
| 07/05/1989 | CN2040365U Inertia walking state tester |
| 07/05/1989 | CN2040353U Foldable shower bath room |
| 07/05/1989 | CN1033566A Preparing technique of "recovering in hundrad days" medicine enriching kidney |
| 07/05/1989 | CN1033565A Processing technique of refined powder of marvellous taro |
| 07/05/1989 | CN1033564A Compound ointment for curing heart disease and preparing technique |
| 07/05/1989 | CN1033561A Underarm odour-removing powder |
| 07/04/1989 | US4845754 Pole-zero analyzer |
| 07/04/1989 | CA1257002A1 Pole-zero analyzer |
| 06/28/1989 | CN2040267U Monitor for public security alarm |
| 06/28/1989 | CN2040265U Computorized adjusting instrument |
| 06/28/1989 | CN2040243U Measuring platform system for main-model coordinates of automobile |
| 06/28/1989 | CN2040194U Differential mechanism with new structure for small four-wheel tractor |
| 06/28/1989 | CN2039992U Multi-tube drawer type dust romover |
| 06/28/1989 | CN2039975U Permanent-magenet eyebrow thickening device |
| 06/28/1989 | CN2039968U Block cutter capable of double-sided holing |
| 06/28/1989 | CN2039949U Pedal shower device |
| 06/28/1989 | CN2039897U Double-roller (double cutter-shaft) straw crusher |
| 06/28/1989 | CN2039892U 杨树丰产林开沟起垄抚育机 Yang Shufeng production forest ridge ditching machine tending |
| 06/28/1989 | CN1033525A Cold-mixing and hot-formulating method for preparing starch adhesive |
| 06/28/1989 | CN1033524A Productive formulation of solid starch adhesive |
| 06/27/1989 | CA1256347A1 Trocar assembly |
| 06/21/1989 | CN2039873U Cym 1-1 type film dielectric pre-adjusting capacitor |
| 06/21/1989 | CN2039872U 小型超高电压脉冲变压器 Small ultra high voltage pulse transformer |
| 06/21/1989 | CN2039827U Rust-resisting oil automatic injector for gun bore and inner wall of duct |
| 06/21/1989 | CN2039795U No-smoke high efficent combustor |
| 06/21/1989 | CN2039789U Electric appliances position indicator at night |
| 06/21/1989 | CN2039788U Rotary colour spot light |
| 06/21/1989 | CN2039741U 便携式空心钻 Portable core drill |
| 06/21/1989 | CN2039724U Self-waterproof roof plate with rib beam |
| 06/21/1989 | CN2039722U Brick with tongue and groove |
| 06/21/1989 | CN2039721U Hollow brick |
| 06/21/1989 | CN2039720U Non-load-supporting coal powder dual-hollow brick |
| 06/21/1989 | CN2039664U Safety belt for swimming |
| 06/21/1989 | CN2039640U Driver's seat with adjustable cross and horizontal position |
| 06/21/1989 | CN2039639U Seat cushion for vehicle |
| 06/21/1989 | CN2039610U Multifunction bit tool device for metal cutting machine tool |
| 06/21/1989 | CN2039581U Multipurpose filling type dumbbell |
| 06/21/1989 | CN2039554U Device for smearing blood smear |
| 06/21/1989 | CN2039544U Miniature foldable shower bath cabinet |
| 06/21/1989 | CN2039513U Ventilator for helmet of motor-cyclist |
| 06/21/1989 | CN2039500U High crotch shcars for fruit plants |
| 06/21/1989 | CN1033442A Method for preparing medicine of both preventing and curing rabies |
| 06/20/1989 | US4840590 Surfboard traction bar |
| 06/20/1989 | CA1256176A1 Low profile test clip |
| 06/14/1989 | CN2039492U Electronic ballast for fluorescent lamp |
| 06/14/1989 | CN2039385U Equal ratio coal-feeding step-type coal-burner |
| 06/14/1989 | CN2039379U Multi-functional mansion-type lighting fluorescent lamp |
| 06/14/1989 | CN2039378U Laser rosy clouds-projecting device |
| 06/14/1989 | CN2039369U Hydraulically-controlled differential planet gear |
| 06/14/1989 | CN2039359U Water-drawing tap for reciprocating pump |
| 06/14/1989 | CN2039348U Screw nut of composite plastic material for pneumatic rock drill |
| 06/14/1989 | CN2039305U Test tube washing machine |
| 06/14/1989 | CN2039298U Boat with horizontal propeller driven by pedal power |
| 06/14/1989 | CN2039284U Fire-extinguishing truck |
| 06/14/1989 | CN2039236U Automatic, sealed, circulative and electrostatic powder-spraying apparatus |
| 06/14/1989 | CN2039228U Vacuum balance liquid-discharging device |
| 06/14/1989 | CN2039187U Moxaburner for traditional chinese medicine |
| 06/14/1989 | CN2039105U Extendible pruning tool for high branches |
| 06/14/1989 | CN1033422A 实时全息记录介质 Real-time holographic recording medium |
| 06/14/1989 | CN1033413A Polymer gun |
| 06/14/1989 | CN1033352A Disposable injection tool |
| 06/14/1989 | CN1004466B Rust remover used for removing rust of smoke, tea and coffee |
| 06/13/1989 | US4839163 Facial cosmetic liquid containing crystalline silica and colors |
| 06/13/1989 | CA1255809A1 Symbolic tokenizer for words and phrases |
| 06/13/1989 | CA1255770A1 Communications system with protection switching using individual selectors |
| 06/13/1989 | CA1255589A1 Injectable cross-linked collagen implant material |
| 06/13/1989 | CA1255536A1 Improvements to projectiles to be shot from a fire arm |
| 06/08/1989 | DE3448105C2 Arrangement of four compact fluorescent lamps in a rotationally symmetrical conical reflector |
| 06/07/1989 | EP0318608A1 Method and apparatus for the moulding of articles in polyurethane |
| 06/07/1989 | CN2039065U Leakage of electricity protecting combined source socket box |
| 06/07/1989 | CN2039063U Leakage of electricity protecting power distribution box |
| 06/07/1989 | CN2038992U Energy-saving miner's lamp |
| 06/07/1989 | CN2038930U Pre-fabricated member for building |