| Patents for 1991 (697) |
|---|
| 12/31/1991 | US5076795 Electrical terminal block assembly |
| 12/31/1991 | US5076505 Bottle crusher |
| 12/31/1991 | CA1293789C2 Control system for an electronically commutated motor, electronically commutated motor system, laudry apparatus and methods for controlling same |
| 12/31/1991 | CA1293621C Interlocking building block |
| 12/27/1991 | CA2019910A1 Apparatus for playing bingo |
| 12/26/1991 | WO1991019541A1 Process for processing loaded residues from titanium oxide extraction |
| 12/26/1991 | WO1991019475A2 Quinolinyl-benzoheterobicyclic derivatives as antagonists of leukotriene d¿4? |
| 12/25/1991 | CN2091499U Three-purpose one-phase plug |
| 12/25/1991 | CN2091402U Energy-saving miner's lamp |
| 12/25/1991 | CN2091322U Automatic track-laying vehicle |
| 12/25/1991 | CN2091122U Shower, bathtub type washing unit |
| 12/25/1991 | CN2091121U Waste heat self-flow shower unit |
| 12/25/1991 | CN2091120U Electric heating shower unit |
| 12/25/1991 | CN1057196A Prepn. of chinese herb-fresh bamboo-juice |
| 12/25/1991 | CN1057195A Prepn. of a specific and sovereign remedy for asthma |
| 12/25/1991 | CN1057191A Nourishing skin cream |
| 12/25/1991 | CN1057190A Serial products of foam spray-type hair-dyeing and their making |
| 12/25/1991 | CN1015179B Method for making hepatic cell growth hormone by negative pressure dialysis method |
| 12/18/1991 | CN2090816U Attached lifting tower for building |
| 12/18/1991 | CN2090716U 儿童旱冰板 Children skating board |
| 12/18/1991 | CN2090715U 两栖内因运动轮 Amphibious internal movement round |
| 12/18/1991 | CN2090714U 多功能小型乒乓球台 Multi-function table tennis table |
| 12/18/1991 | CN2090683U Medical multifunctional cautery |
| 12/18/1991 | CN2090678U Simple combined shower bath cabinet |
| 12/18/1991 | CN2090677U Convenient bathing douche |
| 12/18/1991 | CN1057120A Mail documents information inquiry system for post office |
| 12/18/1991 | CN1057067A Synthesis of organic cation coacervating and precipitating agent for oil well drilling fluid |
| 12/17/1991 | CA1293303C Circuit board pin |
| 12/12/1991 | DE4018146A1 Electronically-regulated electric drive - has star-delta switching device in supply path of asynchronous motor |
| 12/11/1991 | CN2090571U Contact electrode provided for film resistor connection |
| 12/11/1991 | CN2090470U Open torch |
| 12/11/1991 | CN2090430U Emulsifying apparatus without need of emulsifier for diesel oil blended with water |
| 12/11/1991 | CN2090227U Household bath cabinet |
| 12/11/1991 | CN2090226U Water-saving shower nozzle |
| 12/11/1991 | CN1056815A Process for preparation of areca oral liquor |
| 12/11/1991 | CN1056814A Preparation of chinese medicine containing cancer-resistance composition |
| 12/11/1991 | CN1056811A Medicated toothpaste containing areca ingredient |
| 12/11/1991 | CN1015047B Medical liquor for freckles eliminating and beauty purpose |
| 12/10/1991 | US5071371 Electrical card edge connector assembly |
| 12/10/1991 | CA1293056C Personal health monitor |
| 12/04/1991 | CN2090141U Multifunction energy saving fluorescent lamp electronic ballast |
| 12/04/1991 | CN2089922U Panel turnover mailbox |
| 12/04/1991 | CN2089790U Microquantity blood collecting needle |
| 12/04/1991 | CN2089777U Tap water power type bath shower |
| 12/04/1991 | CN2089776U Spray bath maching |
| 12/04/1991 | CN2089730U Multipurpose type bag |
| 12/04/1991 | CN1056773A Travelling-wave semiconductor laser amplifier's amplification method and device |
| 12/04/1991 | CN1056628A Manufacturing method of synthetic leather shoes instep |
| 12/03/1991 | CA1292772C Device for monitoring the operation readiness of an electrical installation |
| 11/28/1991 | CA2017629A1 Plug having a tyre pressure measuring device |
| 11/27/1991 | CN2089526U Wind and water coupling device |
| 11/27/1991 | CN2089449U Hunging verticle series mounted driving device for small horse power boat |
| 11/27/1991 | CN2089309U Hot water type vapour jet |
| 11/27/1991 | CN2089308U Double water flow shower device |
| 11/27/1991 | CN2089307U Water flow controller for shower |
| 11/27/1991 | CN2089269U Suitcase carring shoe for travel |
| 11/27/1991 | CN2089249U Domestic soda water making container |
| 11/27/1991 | CN1056425A Process for preparing chinese-medicinal pill |
| 11/27/1991 | CN1056424A Process for preparing syrup "fuganning" |
| 11/27/1991 | CN1056423A Process for preparing oral liquor "qingganbao" |
| 11/27/1991 | CN1056422A Process for preparing oral liquor "xiaohaha" |
| 11/27/1991 | CN1056418A Process of preparing bath fluid for lowering obesity and defatting |
| 11/27/1991 | CN1056415A Cold permanent wave lotion using pseudo glycolylthiourea acid as main component and preparing process thereof |
| 11/27/1991 | CN1014860B Method for preparing storable extract of spring yellow chrysanthemum with rich activated substances |
| 11/20/1991 | CN2089189U Medical computer for collecting fee |
| 11/20/1991 | CN2089118U Position controlling head lamp |
| 11/20/1991 | CN2089070U Miniature drill for explorating water |
| 11/20/1991 | CN2089007U Moisture regain device for beer hops |
| 11/20/1991 | CN2088881U Ingenious fire extinguishing hose |
| 11/20/1991 | CN2088837U Disassembly bath cabinet |
| 11/20/1991 | CN2088836U 蒸锅式热水淋浴器 Steamer hot water shower |
| 11/20/1991 | CN2088835U Multipurpose tongs for honeycomb briquet |
| 11/20/1991 | CN1056386A Electric saver of three-phase asynchronous motor |
| 11/20/1991 | CN1056244A Intravenous drip with mixture of chinese and western medicines |
| 11/20/1991 | CN1056243A Process for preparing oral liquid of correcting fetus position |
| 11/20/1991 | CN1056242A Process for preparing "715" syrup to prevent and cure myopia |
| 11/20/1991 | CN1056241A Process for preparing chinese herbal medicine mixture to prevent and cure diseases of fowls and animals |
| 11/20/1991 | CN1014773B Method for making skin and hair protecting agent by silk |
| 11/17/1991 | CA2017035A1 Computerized filing and retrieval system for signature and pictorial documentation |
| 11/13/1991 | CN2088640U Multi-function decoration wall light |
| 11/13/1991 | CN2088639U Art light |
| 11/13/1991 | CN2088638U Miniature electronic flashlight |
| 11/13/1991 | CN2088637U Light |
| 11/13/1991 | CN2088412U Disposable automatic blood sampler |
| 11/13/1991 | CN2088404U Self-pressure shower |
| 11/13/1991 | CN1014677B Preparing process of snore-stopping medicine |
| 11/13/1991 | CN1014676B Prescription for mainutrition of vulva |
| 11/12/1991 | US5064124 Medical waste disposal system |
| 11/12/1991 | CA1292060C2 Apparatus for encoding/transmitting an image |
| 11/12/1991 | CA1292059C2 Method for encoding/transmitting an image |
| 11/12/1991 | CA1292058C2 Method for encoding/transmitting an image |
| 11/12/1991 | CA1292057C2 Apparatus for encoding/transmitting an image |
| 11/11/1991 | CA2016603A1 Method for optimizing a model predictive control system |
| 11/06/1991 | CN2088308U Y-delta automatic switching power-saver of electric motor |
| 11/06/1991 | CN2088292U Multi-functional folding power supply plug |
| 11/06/1991 | CN2088197U Fog signal light having two-colour light wave |
| 11/06/1991 | CN2088169U Cooling oil-economizer of vehicles |
| 11/06/1991 | CN2088165U Electric hammer drilling machine |
| 11/06/1991 | CN2087930U Shower bath hood |
| 11/06/1991 | CN1014665B Alternately changeable-frequency speed-regulation system |