| Patents for 1991 (697) |
|---|
| 08/01/1991 | DE4002698A1 Bottle-crusher for waste disposal - has frame with removable containers and driven crushing tunnel |
| 07/31/1991 | CN2082066U 电子镇流器 Electronic Ballast |
| 07/31/1991 | CN2082036U Electronic connector with small plug-in force and l-shape elastic connecting part |
| 07/31/1991 | CN2081932U Lamp mounted on safety helmet |
| 07/31/1991 | CN2081714U Multifunction mirror for e.n.t. department |
| 07/31/1991 | CN2081704U Household collapsible shower-bath space |
| 07/31/1991 | CN2081703U Water-saving shower apparatus with low-position cistern |
| 07/31/1991 | CN2081702U Quickly electrothermal, full-automatic shower apparatus |
| 07/31/1991 | CN2081656U Regulating mechanism for jaw chuck of upper machine |
| 07/31/1991 | CN1053503A Selt-study intelligent type urban traffic management control system |
| 07/31/1991 | CN1053364A Preparation method of xanthium sibiricum volatile oil pharmaceutical |
| 07/31/1991 | CN1053363A Perfumes capable of preventing and remitting dysmenorrhea |
| 07/31/1991 | CN1053362A Preparation method of medicine for treating psoriasis |
| 07/31/1991 | CA2009058A1 Method and system for objectively grading and identifying coins |
| 07/30/1991 | CA1287095C Automotive replaceable lamp unit with alignment and connection means ofits light source |
| 07/24/1991 | CN2081628U Energy-saving electronic ballast of fluorescent lamp |
| 07/24/1991 | CN2081627U Electronic ballast with error protection |
| 07/24/1991 | CN2081626U Direct-current power supply starting fluorescent lamp |
| 07/24/1991 | CN2081582U Connecting terminal |
| 07/24/1991 | CN2081476U Water ripple light-ring colour lamp |
| 07/24/1991 | CN2081473U Three-purpose electric torch |
| 07/24/1991 | CN2081371U Energy-saving contra-fin front paddle |
| 07/24/1991 | CN2081271U Domestic pressure shower unit |
| 07/24/1991 | CN2081270U Domestic lift shower unit |
| 07/24/1991 | CN2081269U Adjustable spraying giant |
| 07/24/1991 | CN1053310A Display output rotation |
| 07/24/1991 | CN1053191A Prepn. method for medicine curing burn and scald |
| 07/24/1991 | CN1053190A Traditional chinese medicine "bone-setting powder" producing method |
| 07/24/1991 | CN1053189A Preparation method for "promoting blood circulation and restoring paralysis pills" |
| 07/23/1991 | US5034183 Apparatus for colliding nuclear particle beams using ring magnets |
| 07/17/1991 | CN2081184U Energy-saving electronic ballast for small-power high-voltage sodium lamp |
| 07/17/1991 | CN2081138U Mini-power transformer with metering mechanism for avoiding fraudulent use of electricity |
| 07/17/1991 | CN2081036U Transverse and vertical spiral coal-burning machine |
| 07/17/1991 | CN2081030U Light scatter type christmas lamp string |
| 07/17/1991 | CN2081029U Hand plastic signal lantern |
| 07/17/1991 | CN2080826U Disposable blood sampler |
| 07/17/1991 | CN2080811U Detachable collapsible shower cover |
| 07/17/1991 | CN2080810U Household shower cabinet with soft wall |
| 07/17/1991 | CN2080809U Bathing device |
| 07/17/1991 | CN2080805U Carrying type tongs for honeycomb briquet |
| 07/17/1991 | CN1053101A Hydraulic percussion drilling machines |
| 07/17/1991 | CN1053100A Hydraulic percussion drilling machines |
| 07/17/1991 | CN1053028A Precisely spaced wear-resistant guide rails on machine tool |
| 07/17/1991 | CN1053007A Preparation of embolism dissolving capsule containing pallas pit viper venin |
| 07/11/1991 | CA2007627A1 Multimedia communication system |
| 07/10/1991 | CN2080715U Electronic connection device with three-point contact |
| 07/10/1991 | CN2080698U Voice synthesis advertisement apparatus |
| 07/10/1991 | CN2080687U Automatic station-name display controlled by computer |
| 07/10/1991 | CN2080612U Small polydirectional rotating colour lamp |
| 07/10/1991 | CN2080432U Hydraulic press-down setting protective device for sheet rolling mill |
| 07/10/1991 | CN2080412U 万用电子游戏卡 Universal electronic game cards |
| 07/10/1991 | CN2080374U Adjustable shower bath |
| 07/10/1991 | CN1052887A Water base sealing liquid |
| 07/10/1991 | CN1052886A Modified naphthalene monosulfonic formaldehyde condensate as cement anti-drag agent for oil well |
| 07/10/1991 | CN1052867A Alcohol method for preparing heme |
| 07/10/1991 | CN1052787A Strong curling liquor containing chinese medical stone component and its manufacturing method |
| 07/09/1991 | US5030619 Synergistic fungicidal composition |
| 07/09/1991 | CA1286009C Zero insertion force connector |
| 07/05/1991 | CA2007217A1 240 volt split duplex receptacle adapter |
| 07/03/1991 | CN2080262U Ac modulation speed adjusting, starting device |
| 07/03/1991 | CN2080209U Sound stop announcing device of public bus |
| 07/03/1991 | CN2080193U Sampling device for programme control advance |
| 07/03/1991 | CN2080192U Single sheet micro computer sound frequency electric load monitor |
| 07/03/1991 | CN2080131U Wall lamp |
| 07/03/1991 | CN2080128U Hand-carried battery lighting device |
| 07/03/1991 | CN2079941U Sleeve tube flood sampler |
| 07/03/1991 | CN2079940U Plastic disposable vaginoscope |
| 07/03/1991 | CN2079930U Body-pressed domestic shower device |
| 07/03/1991 | CN2079927U Power-saving coal ball tong |
| 07/03/1991 | CN1052609A Making method of efficient low-poisoned anti-thrombus ferment |
| 07/03/1991 | CN1052606A Making method of medicament treating dysmenorrhoea |
| 07/03/1991 | CN1052603A Containing snake tissue or extracting liquid cold cream |
| 07/03/1991 | CN1013020B Sexual sanitary hygienic liquid and its prodn. method |
| 06/27/1991 | WO1991009016A1 Halophenyl substituted heterocyclic derivatives |
| 06/26/1991 | EP0434195A2 A semiconductor device package and a method of manufacture for making it |
| 06/26/1991 | CN2079831U Serial regulator for diffierential thyristor inverter |
| 06/26/1991 | CN2079777U Magnetic disc high speed data collecting device for microcomputer |
| 06/26/1991 | CN2079776U Phonetic sequence searching machine for chinese character |
| 06/26/1991 | CN2079704U Lamp colour changer for stage |
| 06/26/1991 | CN2079702U Practical multifunctional torch |
| 06/26/1991 | CN2079479U Domastic full-automatic shower |
| 06/26/1991 | CN2079476U Coal ball tongs |
| 06/26/1991 | CN2079475U Coal tongs for honeycomb briquet |
| 06/26/1991 | CN2079421U Multifunctional soda water can |
| 06/26/1991 | CN1052499A Multifunctional lubricant preventing landslide in two ways and productive process thereof |
| 06/26/1991 | CN1052429A Prescription and preparing method of cardiotonic and brain strengening liquor |
| 06/26/1991 | CN1052426A Method for making cosmetic-nutritive mask and usage of same |
| 06/26/1991 | CN1012941B Alkali-water process for creat |
| 06/19/1991 | CN2079401U Fluorescent lamp for emergency |
| 06/19/1991 | CN2079368U Structure improved plug |
| 06/19/1991 | CN2079367U Two-three wire universal socket |
| 06/19/1991 | CN2079366U Long-arm power supply plug |
| 06/19/1991 | CN2079254U Colour changeable lighe |
| 06/19/1991 | CN2079253U Pine nut art and craft holiday colour light |
| 06/19/1991 | CN2079010U Shower device |
| 06/19/1991 | CN2079009U Injection solar showering device |
| 06/19/1991 | CN1052255A Producing method for "abai adhesive |
| 06/19/1991 | CN1052254A Mosquito-expelling talcum powder |
| 06/19/1991 | CN1052244A Anticarious tooth chewing gum making method |
| 06/12/1991 | CN2078933U Power supply, plug, socket |