| Patents for 1991 (697) |
|---|
| 02/20/1991 | CN1049282A Preparations having functions of cleaning and care of skin |
| 02/20/1991 | CN1011661B Manufacturing method of nose drops agent |
| 02/20/1991 | CN1011658B Gargling water for giving up smoking and process for producing same |
| 02/13/1991 | CN2071415U Electronic power saving ballast for fluorescent lamp |
| 02/13/1991 | CN2071414U Safety power saving lighting lamp for machine tool aperation |
| 02/13/1991 | CN2071376U Anti-explosion self-healing electric capacity |
| 02/13/1991 | CN2071375U Direct switching device for alive current mutual inductor |
| 02/13/1991 | CN2071295U Light emitting diode array traffic signal lights |
| 02/13/1991 | CN2071294U Head mounted working lamp |
| 02/13/1991 | CN2071293U Portable hand railway signal lamp |
| 02/13/1991 | CN2071292U Portable two purpose lamp of bicycle |
| 02/13/1991 | CN2071290U Three-purpose flashlight |
| 02/13/1991 | CN2071258U Wet air inlet diesel engine |
| 02/13/1991 | CN2071056U External connecting negative pressure disposable blood sampler |
| 02/13/1991 | CN2071045U Domestic gas range water heater for shower |
| 02/13/1991 | CN1049105A Producing technology of antipyretic antidote external use medicine "one point dispersed" |
| 02/13/1991 | CN1011600B Membrane /electrode compound structure with interconnected channels formed by catalytic active particles |
| 02/12/1991 | CA1280213C Default proof credit card system |
| 02/12/1991 | CA1280169C Test adapter for integrated circuit carrier |
| 02/06/1991 | CN2070930U Digital scanning converter with real time correcting of refracted distortion |
| 02/06/1991 | CN2070864U Grid type energy-saving major light |
| 02/06/1991 | CN2070821U 液压钻岩机 Hydraulic rock drill |
| 02/06/1991 | CN2070820U Pneumatic crowbar |
| 02/06/1991 | CN2070783U Scaffold with moving equipment for repair |
| 02/06/1991 | CN2070606U Safety fast-heating shower |
| 02/06/1991 | CN1048982A "zhuangyuan" medicine to be dissolved before taking |
| 02/06/1991 | CN1048965A Chewing gum with improved sweetness employing xylitol rolling compound |
| 02/05/1991 | CN2095131U Extinguish sliding auxiliary generator for bus |
| 02/05/1991 | CN2095094U Electricity saving controller for hydraulic baling press |
| 01/30/1991 | EP0410050A2 Treatment of petroleum cokes to inhibit coke puffing |
| 01/30/1991 | CN2070524U Portable high-efficient eneryg-saving h lamp |
| 01/30/1991 | CN2070523U Contactless flip-flop for locomotive mercury xenon lamp |
| 01/30/1991 | CN2070474U Micro-camputer code input device |
| 01/30/1991 | CN2070396U Dual-direction adjustable flashlight |
| 01/30/1991 | CN2070367U Hollow spray welding closed plunger |
| 01/30/1991 | CN2070360U Knife type pick with end wear-resistant layer |
| 01/30/1991 | CN2070247U Multi-purpose writing brush cap |
| 01/30/1991 | CN2070149U Multi-plate micro rapid heating multifunctional shower bath device |
| 01/30/1991 | CN2070148U Heat storage type coal stove hot water shower bath device |
| 01/30/1991 | CN1048939A Reveiving automatic system of library booking |
| 01/30/1991 | CN1048802A Preparation method for traditional chinese medicine powder dissolvable in water for removing calculus stones from urinary system |
| 01/30/1991 | CN1048801A Preparation method for traditional chinese medicine " maisaitong" for oral or external application |
| 01/30/1991 | CN1048800A Rejuvenated hair beauty extract and its producing method |
| 01/30/1991 | CN1048799A Dense eyebrow cosmetics and its producing method |
| 01/23/1991 | CN2070005U Logica testing unit connected with microcomputer |
| 01/23/1991 | CN2069934U Counterflow stop valve of double-deck high-pressure pump |
| 01/23/1991 | CN2069715U Spring semi-automatic blood taking needle |
| 01/23/1991 | CN2069706U Frame-type shower bath cabinet |
| 01/23/1991 | CN2069705U Multi-functional portable shower |
| 01/23/1991 | CN2069645U Corner tree shear |
| 01/23/1991 | CN1048779A Electronic stabilizer for fluorescent lamp |
| 01/23/1991 | CN1048658A Process for preparation of medicine for preventing and treating aids |
| 01/23/1991 | CN1048657A Process to prepare medicaments for treating psoriasis and tinea cruris |
| 01/23/1991 | CN1011359B Computer-monitered hydraulically-pushing pipe bending machine using medium frequency induced local heating |
| 01/23/1991 | CN1011292B Apparatus for puritying exhaust gas |
| 01/23/1991 | CN1011286B Thin, soft, absorbent product |
| 01/22/1991 | US4987258 Intermediates for disazo dyes |
| 01/22/1991 | US4986983 Superfatted betaine and zwitterionic hair and skin conditioner compositions |
| 01/22/1991 | US4986556 Chainless motocross bicycle |
| 01/16/1991 | CN2069607U Secondary current transformer with double accuracy class 0.2 |
| 01/16/1991 | CN2069525U Explosion isolation type lighting and signal lamp for mine |
| 01/16/1991 | CN2069494U Air compressor piston for car |
| 01/16/1991 | CN2069394U Packing spacer for glass liner of thermos flask |
| 01/16/1991 | CN2069255U Enlarging type frontal mirror |
| 01/16/1991 | CN2069250U Domestic cold / hot water dual-purpose automatic control shower spray nozzle |
| 01/16/1991 | CN2069249U Water-saving valve for shower |
| 01/16/1991 | CN1048548A Produce industrial getatin by alburnums of blue vitriol leather |
| 01/16/1991 | CN1048498A Method for making compound to treat immune deficiency |
| 01/09/1991 | CN2069195U Electronic ballast of high energy saving for fluorescent light lamp |
| 01/09/1991 | CN2069163U Products of coated silicon steel |
| 01/09/1991 | CN2069068U Composite lamp for lighting |
| 01/09/1991 | CN2069067U Table lamp for kindling a cigaret and lighting |
| 01/09/1991 | CN2068882U Guide rail made of steel and fluoroplastics |
| 01/09/1991 | CN2068821U Medical infra-red coagulator |
| 01/09/1991 | CN2068818U Needle tube for blood serum sampling |
| 01/09/1991 | CN2068810U Magnetised spray head |
| 01/09/1991 | CN1048403A Non-toxic viscosity-decreasing agent used for drilling mud |
| 01/09/1991 | CN1048369A Multi-functional automatic conveyer without power |
| 01/09/1991 | CN1048325A Preparation of a skin ointment for healing ulcered wound |
| 01/09/1991 | CN1011142B Method of stabilizing fracturing fluid |
| 01/09/1991 | CN1011127B Installation of metal powder making by tray type atomization method |
| 01/08/1991 | CA1278862C Personalized electronic greeting cards and methods and apparatus for providing same |
| 01/02/1991 | CN2068745U 电子镇流器 Electronic Ballast |
| 01/02/1991 | CN2068744U Electronic ballast with various kinds of protective circuit |
| 01/02/1991 | CN2068743U 电子镇流器 Electronic Ballast |
| 01/02/1991 | CN2068639U Anti-dazzling headlamp |
| 01/02/1991 | CN2068638U Double ends charging electric torch |
| 01/02/1991 | CN2068374U Portable bathroom |
| 01/02/1991 | CN2068373U Temp.-regulating water-saving shower |
| 01/02/1991 | CN2068372U Anti-skid pad |
| 01/02/1991 | CN2068369U Shaped coal feeder |
| 01/02/1991 | CN1048291A Three-phase indusction motor speed-regulating device |
| 01/02/1991 | CN1048273A Pocket english-chinese electronic dictionary and its usage |
| 01/02/1991 | CN1048196A Integrated operation system for speeding up and braking of motor vehicle |
| 01/02/1991 | CN1048159A Production method of antipruritic water |
| 01/02/1991 | CN1048148A Method of making chewing gum with wax-coated delayed release ingredients |
| 01/02/1991 | CA1278613C Reinforced connection part of chemical connector and method of constructing therefor |