| Patents for 1990 (564) |
|---|
| 02/06/1990 | CA1265337A1 Developer sheet |
| 01/31/1990 | CN2052100U Torch box with built-in battery |
| 01/31/1990 | CN2052052U Water-mixing atomizing fuel economizer for combustion engine |
| 01/31/1990 | CN2051966U Pleasure boat for children |
| 01/31/1990 | CN1039183A Preparing method of medicine for curing injuries from falls, fractures, contusions and strains |
| 01/31/1990 | CN1039182A Method for preparing kangfuling medicine for bee larve |
| 01/31/1990 | CN1006663B Multiple character style generating device |
| 01/30/1990 | CA1264949A1 Cutting header for a harvesting machine |
| 01/24/1990 | CN2051778U Single spring linear tracing seesaw type electric switch |
| 01/24/1990 | CN2051710U Cylindical "7" type hood |
| 01/24/1990 | CN2051706U Lighting sets with arbitrary adjustable photochromic lights |
| 01/24/1990 | CN2051704U Multipurpose flashlight |
| 01/24/1990 | CN2051677U Ringlike combined valve for w type vacuum pump |
| 01/24/1990 | CN2051618U Multifunctional paking ring for glass utensil |
| 01/24/1990 | CN2051588U Two channel direction changing switch for pipeline automatic control |
| 01/24/1990 | CN2051497U Elastic blood sampling device |
| 01/24/1990 | CN2051492U Domestic moving shower bathcloset |
| 01/24/1990 | CN2051491U Automatic constant temp. showerbath with speed regulating temp. function for tap water |
| 01/24/1990 | CN2051483U Jacketed cooker |
| 01/24/1990 | CN1039153A Metal-oxide-semiconductor type field-effect transistor |
| 01/24/1990 | CN1038937A Compounding process of fast-acting tumour-dispelling ointment (no.1 and no.2) |
| 01/24/1990 | CN1038936A Preparation of medicinal face film capable of brightening, dispelling spots, dispelling wrinkles and improving looks |
| 01/24/1990 | CN1038935A Oral-cavity cleaning liquid |
| 01/24/1990 | CN1006577B Method for limiting and detecting arcing period in line breaker |
| 01/23/1990 | CA1264799A1 Matrix type electrophotographic printing process and device |
| 01/17/1990 | EP0350555A1 Transformed shigella |
| 01/17/1990 | CN2051426U Electronic ballast of fluorescent lamp |
| 01/17/1990 | CN2051393U Control switch of side-light and being turn indicator concurrently |
| 01/17/1990 | CN2051388U Secondary circuit voltage drop compensator of voltage mutual inductor |
| 01/17/1990 | CN2051324U Liquid-cinder pulverised-coal cyclone combustion apparatus |
| 01/17/1990 | CN2051138U 冲洒喷射器 Sprinkle the red ejector |
| 01/17/1990 | CN2051119U Dumbbell and barbell double purpose combined sports apparatus |
| 01/17/1990 | CN2051096U Blood taker |
| 01/17/1990 | CN2051095U Disposal micropipette |
| 01/17/1990 | CN2051088U Multifunction shower device |
| 01/17/1990 | CN2051087U Simply water saving shower |
| 01/17/1990 | CN1038833A Application of marsh gas in fermentation industry |
| 01/17/1990 | CN1038763A Process of external use medicine for infant cold and cough |
| 01/17/1990 | CN1038762A Process for quick-acting capsule used for injuries from falls, fractures, contusions and strains |
| 01/17/1990 | CN1038761A Compounding and use of medicinal liquor and powders for cramp and fracture and so on |
| 01/17/1990 | CN1038760A Process for festered-car curing powders |
| 01/17/1990 | CN1038757A False-tooth cleaning plate |
| 01/17/1990 | CN1006516B Variable frequency speed regulation system with thyristor and microcomputer |
| 01/17/1990 | CN1006515B Power-saving controller for induction-motor |
| 01/16/1990 | US4894017 Electrical header assembly |
| 01/11/1990 | WO1990000122A1 Drive assembly having dual neutrality control |
| 01/10/1990 | CN2051031U Electronic ballast for high-strength gas-discharge lamps |
| 01/10/1990 | CN2050928U Self-contained combustion furnace for rotary drying machine of cement industry |
| 01/10/1990 | CN2050888U Oil distributor of hydraulic pump |
| 01/10/1990 | CN2050743U Continuous ytterbium aluminium pomegranate calculus laser curing machine |
| 01/10/1990 | CN2050727U Inflated bath cover |
| 01/10/1990 | CN2050724U Implement for picking up honeycomb briquet |
| 01/10/1990 | CN1038600A Precontrolling-monitoring method of thickness base point for plate and strip rolling |
| 01/10/1990 | CN1006360B Oxidizable pyrrole type hair dyeing agent |
| 01/09/1990 | CA1264248A1 Self loading pistol type fire arms with slide breech block insert |
| 01/09/1990 | CA1264247A1 Breech locking system for self loading fire arms |
| 01/03/1990 | CN2050645U Multi-purpose electric drawings |
| 01/03/1990 | CN2050635U Computerized anti-theft device |
| 01/03/1990 | CN2050533U 快速流态化燃烧工程设备 Fast fluidized combustion engineering equipment |
| 01/03/1990 | CN2050532U Desk lamp of non-power failure |
| 01/03/1990 | CN2050530U Automotive dazzle-proof head lamp bulb |
| 01/03/1990 | CN2050314U Multifunction electronic moxibustion therapeutic instrument |
| 01/03/1990 | CN1038407A Method for preparing oral use liquor to cure tracheitis |
| 01/02/1990 | US4891220 Method and composition for treating hyperlipidemia |