| Patents for 1989 (892) |
|---|
| 11/29/1989 | CN2048351U Composite double spring birth control device |
| 11/29/1989 | CN2048337U Household screw shower |
| 11/29/1989 | CN1037560A Treatment and application of paper-making black liquor |
| 11/29/1989 | CN1037455A Cellular-restoring beauty cream |
| 11/28/1989 | US4883911 Process for the preparation of alkylthioalkanoate salts |
| 11/28/1989 | CA1263445A1 Differential phase modulation in an optical fibre communication system |
| 11/22/1989 | CN2048264U Speed requlator of frequency transformation with pulse-amplitude modulation for small-power alternating-current motor |
| 11/22/1989 | CN2048212U One-way terminal device of control device of wireless electrical load |
| 11/22/1989 | CN2048211U General control computer |
| 11/22/1989 | CN2048157U 便携式读书灯 Portable Reading Light |
| 11/22/1989 | CN2048079U Metallization paper |
| 11/22/1989 | CN2047998U Pneumatic shocking core making machine |
| 11/22/1989 | CN2047966U Taiji electromagnetic coil |
| 11/22/1989 | CN2047965U Combined magnetic health apparatus |
| 11/22/1989 | CN2047960U First aid syringe |
| 11/22/1989 | CN2047930U Folding curtain for shower |
| 11/22/1989 | CN2047929U Safty thermal control shower device |
| 11/22/1989 | CN1037398A Tester of electric equipment performance |
| 11/22/1989 | CN1037275A Preparing method of "she-long"thrombus-dissolvable medicine taken with boiling water |
| 11/21/1989 | US4882758 Method for extracting formant frequencies |
| 11/21/1989 | CA1263149A1 Compatible am broadcast/data transmission system |
| 11/16/1989 | WO1989010910A2 Manufacture of alkylbenzenes |
| 11/15/1989 | CN2047862U Infinitely variable speed device for asynchronous motor |
| 11/15/1989 | CN2047774U Drill bullet |
| 11/15/1989 | CN2047747U Small-sized boiler burning low heat value gas |
| 11/15/1989 | CN2047745U Alternation flashing lamp chain |
| 11/15/1989 | CN2047611U Multi-functional welding and leak-checking device |
| 11/15/1989 | CN2047594U Siphone water-strainer for water treatment |
| 11/15/1989 | CN2047593U Simple-structure combined concentrating device |
| 11/15/1989 | CN2047572U Needle-fixing adhesive plaster with a bag sleeving needle handle |
| 11/15/1989 | CN2047541U Multi-purpose shower-bath for household |
| 11/15/1989 | CN2047535U Multi-functional portable cooking-vessel capable of dividing vegetable from rice |
| 11/15/1989 | CN2047534U Heat-resisting antioxidation iron pan |
| 11/15/1989 | CN1037154A Renal growth promoter and process for production of same |
| 11/15/1989 | CN1037141A Substituted alkylamine derivatives |
| 11/15/1989 | CN1037088A Magnetic therapeutic device |
| 11/15/1989 | CN1037081A Toothpaste for beautifying hair |
| 11/15/1989 | CN1037080A Method of dyeing and waving hair together |
| 11/14/1989 | CA1262887A1 Extrusion, deformation and irradiation of crosslinkable polymer and rubber composition laminate |
| 11/08/1989 | EP0340686A1 Drive device for an electromotive actuator |
| 11/08/1989 | CN2047426U Multiplex languange alarm terminal equipment |
| 11/08/1989 | CN2047382U High-voltage multiple-use device |
| 11/08/1989 | CN2047348U Energy storage heat delivery device |
| 11/08/1989 | CN2047331U Portable headlamp |
| 11/08/1989 | CN2047303U Multi-functional electric rock-drill car |
| 11/08/1989 | CN2047233U Automobile electropneumatic gearshift mechanism |
| 11/08/1989 | CN2047196U Fanlike filtrating lamella |
| 11/08/1989 | CN2047195U Vacuum rotating drum filtrating machine |
| 11/08/1989 | CN2047183U Dual-purpose new dumbbell for hand and foot |
| 11/08/1989 | CN2047165U Buffer type shower |
| 11/08/1989 | CN1036918A Installation of metal powder making by tray type atomization method |
| 11/08/1989 | CN1036903A Compounding method of salve for cure the gastric ulcer and duodenal ulcer |
| 11/08/1989 | CN1036901A Fine-grain tooth-paste |
| 11/08/1989 | CN1005715B Method for the extraction of chrysalis stinkingless protein with organic solvent |
| 11/08/1989 | CN1005679B Automatic fire extinguisher with infrared ray responsive type fire detector |
| 11/02/1989 | WO1989010462A2 Window device |
| 11/01/1989 | CN2046973U Daylight-rainbow lamp |
| 11/01/1989 | CN2046899U Cloth / paper compound device |
| 11/01/1989 | CN2046836U Flat shape automatic fire extinguisher for vessel and vehicle |
| 11/01/1989 | CN2046831U Large bus with separated room for sitting or lying down |
| 11/01/1989 | CN2046785U Multifunction aluminium welding machine |
| 11/01/1989 | CN2046764U Pretreatment apparatus for purification of water quality |
| 11/01/1989 | CN2046736U 便携式淋浴器 Portable shower |
| 11/01/1989 | CN2046735U Shower apparatus while hot water heated by pressure cooker |
| 11/01/1989 | CN2046734U Household shower apparatus with horizontal water tank |
| 11/01/1989 | CN1036873A 电子镇流器 Electronic Ballast |
| 11/01/1989 | CN1036870A Device for spatio-temporal sub-sampling of digital video signals representing succession of interlaced or sequential images |
| 11/01/1989 | CN1036757A Method of preparing 4,4'-methy-lenedianiline |
| 11/01/1989 | CN1036699A Preparation of "pifuling" medicinal liquid |
| 11/01/1989 | CN1036698A Technology for processing thin pieces of ginseng |
| 11/01/1989 | CN1005617B Foundry sand air impact puddling device |
| 10/25/1989 | CN2046523U Simple pulley-boom |
| 10/25/1989 | CN2046403U Biochemitry dialyzer |
| 10/25/1989 | CN2046392U Soft inflated mat |
| 10/25/1989 | CN2046391U Fire extinguishing club |
| 10/25/1989 | CN2046386U Safe filtrator for perfusion and blood transfusion |
| 10/25/1989 | CN2046383U Bandage with chinese medicine-hemostatic |
| 10/25/1989 | CN2046365U Position fixing rack for moxibustion |
| 10/25/1989 | CN2046357U Domestic bathroom and bathhood nozzle for heat air delivery |
| 10/25/1989 | CN1036582A Process for preparing polypeptides derivatives |
| 10/18/1989 | CN2046304U 电子镇流器 Electronic Ballast |
| 10/18/1989 | CN2046267U 10-35kvo. secondary charging current trasformer |
| 10/18/1989 | CN2046177U Fluidization combustion furnace |
| 10/18/1989 | CN2046107U Air-filling anti-sunk clothes |
| 10/18/1989 | CN2046072U Automatic envelope adhesive seaming machine |
| 10/18/1989 | CN2046048U Positive and negative rotation tapping apparatus |
| 10/18/1989 | CN2046025U Fireproof valve |
| 10/18/1989 | CN2046009U Safety rotary knife for opening bottle |
| 10/18/1989 | CN2045981U Bath case |
| 10/18/1989 | CN1036476A Photomagnetically controlled nuclear fusion theory |
| 10/18/1989 | CN1036468A Computer pipeline architecture without stack register |
| 10/18/1989 | CN1036461A Method for regenerating colour enlarging solution for reuse |
| 10/18/1989 | CN1036432A Folded support of electric coal drill |
| 10/18/1989 | CN1036331A Method for producing extract of fresh bamboo "zhu-li" |
| 10/18/1989 | CN1036330A Technology and apparatus for processing white peel of red ginseng |
| 10/18/1989 | CN1036329A Preparing method of jinfo tuberculous bolus |
| 10/11/1989 | CN2045872U Intelligent automatic loop-locked warning device |
| 10/11/1989 | CN2045871U Miniature multichannel multi-searching unit alarming controller |
| 10/11/1989 | CN2045819U Solid fuel flashback heating furnace |
| 10/11/1989 | CN2045813U Double-paraboloid anti-glaring head lamp |