| Patents for 1990 (564) |
|---|
| 06/27/1990 | CN1043261A Productive process of "scar-free burn powder" |
| 06/27/1990 | CN1043260A Preparation method of salve for treatment of muscular decay and necrosis |
| 06/20/1990 | CN2058450U Revolving neon effect lamp |
| 06/20/1990 | CN2058449U Head sleeve type lighting lamp at night |
| 06/20/1990 | CN1008495B Digital control microcomputer control system for crossed change frequency of bi-feed motor |
| 06/19/1990 | US4935224 Aerosol antiperspirant composition, including substantivity fluid, capable of being dispensed at reduced spray rate, and packaged aerosol antiperspirant |
| 06/13/1990 | CN2058224U Safe electric-torch |
| 06/13/1990 | CN1043060U 矫正式虚像电视 Correction style virtual image TV |
| 06/13/1990 | CN1042997A Supersonic detection method for welding seams on hollow balls of lattice steel structure |
| 06/13/1990 | CN1042835A Process of an organic-function enhancing medicine |
| 06/12/1990 | US4933174 Applying to skin, rinsing |
| 06/12/1990 | CA1270292A1 Christmas tree lights |
| 06/06/1990 | CN2058043U Frequency-changer speed governor |
| 06/06/1990 | CN2058042U Energy-saving controllor of motor |
| 06/06/1990 | CN2058037U 外接式铅蓄电池废气处理装置 External lead-acid battery exhaust gas treating apparatus |
| 06/06/1990 | CN2057964U Low resistance bottom valve for pump |
| 06/06/1990 | CN2057841U Electronic controlled movable bathroom |
| 06/06/1990 | CN1042808A Molded-in lead frames |
| 06/06/1990 | CN1042716A New process for preparing human albumin by rivanol method |
| 06/06/1990 | CN1042691A 船舶底舭部牵引涡轮式螺旋桨推进器 Ship Bottom bilge traction turbo propeller |
| 06/06/1990 | CN1042656A Manufacturing method of "jile" (a health medicine for fowls) |
| 06/06/1990 | CN1042655A Compounding method of medicine for treating arthritis and primary angitis |
| 06/06/1990 | CN1042653A Multi-effect perfume and its manufacturing process |
| 06/05/1990 | CA1270042A1 Electrocautery instrument |
| 05/31/1990 | WO1990005910A2 Wholly microfabricated biosensors and process for the manufacture and use thereof |
| 05/30/1990 | CN2057792U Inverter short circuit control type cascade control device |
| 05/30/1990 | CN2057720U Energy-saving lighting unit |
| 05/30/1990 | CN2057709U Screw stem pump driver backrun controller |
| 05/30/1990 | CN2057706U Anti-gas device of beam pump |
| 05/30/1990 | CN2057697U Mine isolation-exploding electric rock drill |
| 05/30/1990 | CN2057675U Bridge support changing fram |
| 05/30/1990 | CN2057580U Biochemistry determining instrument for kidney function |
| 05/30/1990 | CN1042475A Prepn. process of medicines from maize flower |
| 05/30/1990 | CN1008229B Asynchronous machine cascade adjustable -speed system with high power factor |
| 05/23/1990 | CN2057457U Improved rotary driller |
| 05/23/1990 | CN2057350U Auto-controlled disposable device for taking sample of blood |
| 05/23/1990 | CN2057346U Household simple shower |
| 05/23/1990 | CN1042435A 三维图形处理功能卡 Three-dimensional graphics processing card |
| 05/23/1990 | CN1042434A Treatment method and installation of biological activity parameters |
| 05/23/1990 | CN1042307A Foetus ensuring series pellet and its production process |
| 05/23/1990 | CN1042306A Preparation method of nutritious and health-care syrup for lying-in woman |
| 05/23/1990 | CN1042305A Manufacturing method of medicine for curing various inflammation and ulcer |
| 05/23/1990 | CN1042304A Preparation of cosmetics contg. racoon dog oil |
| 05/23/1990 | CN1042290A Preparation technique of paper sugar of sweet taste agent, especially of stevia rebaudiana extract |
| 05/16/1990 | CN2057301U Electronic high-frequency ballast with no load protection circuit |
| 05/16/1990 | CN2057278U Resistance strain sensor with supporter |
| 05/16/1990 | CN2057229U Piston of mud pump |
| 05/16/1990 | CN2057097U Optical fibre guided light vagina dilator |
| 05/16/1990 | CN2057091U Bathe equipment capable of using as door |
| 05/16/1990 | CN1042230A Decision instrument for single steel plate |
| 05/16/1990 | CN1042078A Process for producing curing agent for appendicitis |
| 05/16/1990 | CN1042077A Alkali-water process for creat |
| 05/10/1990 | DE3836662A1 Three-phase regulator drive |
| 05/09/1990 | CN2057034U Integrally enclosed connecting plug |
| 05/09/1990 | CN2056959U Smokeless burner |
| 05/09/1990 | CN2056957U 防水防尘荧光灯 Fluorescent waterproof and dustproof |
| 05/09/1990 | CN2056956U Chargeable torch |
| 05/09/1990 | CN2056851U Once-used speculum for rectum or colon sigmoid |
| 05/09/1990 | CN2056843U Water saver for spray head |
| 05/09/1990 | CN2056814U Coaxial rubber socket with multiple cores |
| 05/09/1990 | CN1041949A Method of making hepatic cell growth hormone by negative pressure dialysis method |
| 05/09/1990 | CN1041881A Method of making anti-arteriosclerosis medicine |
| 05/09/1990 | CN1007919B Method and equipment for burning macro particles fuel |
| 05/02/1990 | CN2056775U Computerized controller for electric metering fuel feeding machine |
| 05/02/1990 | CN2056774U Computer for charge statistics |
| 05/02/1990 | CN2056773U Ecr 690 computer check out machine 5pc/xt computer communication network |
| 05/02/1990 | CN2056725U Electronic signal lamp for mine |
| 05/02/1990 | CN2056584U Honeycomb energy saving household water heater for shower |
| 05/02/1990 | CN1041818A Ultrasonic combustion apparatus for burning water-added liquid fuel |
| 04/25/1990 | CN2056539U Adjustable loading box for emulated current-voltage |
| 04/25/1990 | CN2056505U Identifier for embossing matrix |
| 04/25/1990 | CN2056479U Signal lamp device |
| 04/25/1990 | CN1041530A Renal growth promoter and process for production of same |
| 04/25/1990 | CN1041529A Formulation method of flat verruca tincture |
| 04/25/1990 | CN1041525A Natural make-up perfume for removing offensive odour |
| 04/25/1990 | CN1041522A Household pneumatic shower bath |
| 04/25/1990 | CN1007761B Practical computing apparatus for health doctor |
| 04/24/1990 | US4920568 Method of distinguishing voice from noise |
| 04/24/1990 | CA1268082A1 Device for confirming spring force setting of an automotive seat suspension |
| 04/18/1990 | EP0364016A1 Polyphosphazene polymers and their preparation |
| 04/18/1990 | CN2056304U Low-voltage all electron sodium lamp |
| 04/18/1990 | CN2056254U Three-path ultrasonic steel rail flaw detector |
| 04/18/1990 | CN2056067U Once-used material-saving negative-pressure device for taking samples of blood |
| 04/18/1990 | CN2056058U Electronic temp.-adjusting quick heating shower |
| 04/18/1990 | CN1041493A Speed-regulating controller of ac motor |
| 04/18/1990 | CN1041282A Preparation and application of twin lamb hormone |
| 04/18/1990 | CN1041281A Method for extracting pain relief medical extract from hawthorn |
| 04/18/1990 | CN1041280A Ginseng composite biological fresh-keeping agent |
| 04/18/1990 | CN1041279A Quick-acting composite perfume for giving up smoking |
| 04/18/1990 | CN1041277A Freckle-removing cosmetic powder |
| 04/18/1990 | CN1041276A Deodorant |
| 04/17/1990 | US4917883 Oil in water emulsion sunscreen composition |
| 04/12/1990 | DE3834142A1 Storage-stable oxidation hair dye in cream form with high dye/electrolyte content |
| 04/11/1990 | CN2056009U Electronic ballast with abnormal state protection |
| 04/11/1990 | CN2056007U Electronic ballast for sodium-vapor lamp |
| 04/11/1990 | CN2055986U Reversible switch |
| 04/11/1990 | CN2055964U Multifunctional intelligence alarm |
| 04/11/1990 | CN2055900U Waterproof colour lamp with variable lighting belt |
| 04/11/1990 | CN2055863U Multifunctional engineering drilling machine |
| 04/11/1990 | CN2055711U Fixture for extending anus by four points |