Patents
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Patents for 1991 (697)
11/1991
11/06/1991CN1014584B Process for prodeucing of composition for curing disease of immune function lack
10/1991
10/31/1991WO1991016134A1 Garbage processing device
10/30/1991CN2087858U High-efficiency power supply for neon lamp
10/30/1991CN2087857U High-frequency electronic ballast with no-load protective circuit
10/30/1991CN2087727U 镜框式壁灯 Proscenium wall sconce
10/30/1991CN2087726U Colored water-running plastic neon lamp
10/30/1991CN2087723U Buckle type lighting installation
10/30/1991CN2087688U Side water-supply electric coal-drill
10/30/1991CN2087488U Portable simple shower device
10/30/1991CN1055667A Multieffect lumor eliminating powder
10/23/1991CN2087417U High functional electronic ballast
10/23/1991CN2087405U Changeable number secret key for restricting function of telephone set
10/23/1991CN2087379U Stem type single phase transformer
10/23/1991CN2087364U Intellectual frequency doubling relay
10/23/1991CN2087363U Hardness measuring colculater
10/23/1991CN2087362U Precise standardised-teaching measuring device
10/23/1991CN2087281U Illuminator for door looking glass
10/23/1991CN2087280U Modelling spotlight
10/23/1991CN2087279U Chargeable electric torch
10/23/1991CN2087278U Simple electric torch
10/23/1991CN2087248U Arrangement for positioning valve bonnet of valve housing of well-drilling pump
10/23/1991CN2087210U Light weight suspension basket for construction
10/23/1991CN2087131U Color pen-cover with air hole
10/23/1991CN2087062U Draw type light guiding arm
10/23/1991CN2087044U Automatic temp. adjusting inflated bath-cover
10/23/1991CN2087043U (pedal type shower
10/23/1991CN2087042U Air conditional shower
10/23/1991CN1055631A Switch components and multiple data rate non-blocking switch network utilizing same
10/23/1991CN1055486A Preparation of activating agent for t cells breeding
10/23/1991CN1014392B Gargle lotion for removing garlicky flavour
10/21/1991CA2051811A1 High power laser diode
10/18/1991CA2014739A1 Rotary mower blade with rake springs
10/17/1991CA2014729A1 Method of system state analysis
10/16/1991CN2086845U Lamp set with multiple projected dynamic pictures
10/16/1991CN2086844U Multi-colour changing lamp
10/16/1991CN2086798U Multifunctional combined vaccum oil economizer
10/16/1991CN2086794U Damping stabilizer of boring rod
10/16/1991CN2086793U Externally turned rock-drill unit for hydraulic quarrying machine
10/16/1991CN2086588U Disposable automatic intravenous blood sampler
10/16/1991CN2086577U Multipurpose shower-bath
10/16/1991CN2086576U Aerated bathing housing
10/16/1991CN2086575U Shower-bath using multiple heating sources
10/16/1991CN2086574U Regulator of shower-bath
10/16/1991CN2086572U Cistern-type electrothermal shower-bath
10/16/1991CN1055344A Formula for l-zeolite molecular sieve guiding agent and compounding method thereof
10/16/1991CN1055319A Polytetrafluoroethylene and metal composite anticorrosive products and manufacturing method thereof
10/16/1991CN1055296A Preparation method of burn and scald medicine
10/09/1991CN2086498U Energy-saving electronic ballast of fluorescent lamp
10/09/1991CN2086496U Electronic ballast with abnormal state protective circuit
10/09/1991CN2086495U Electronic ballast of fluorescent lamp
10/09/1991CN2086485U Long-distance direct dialing-proof unit
10/09/1991CN2086477U No-brush direct current motor driving system
10/09/1991CN2086451U Zero-sequence current mutual-inductor
10/09/1991CN2086450U No-open circuit losses power transformer
10/09/1991CN2086362U Energy-saving grillage lamps and lantens
10/09/1991CN2086360U 船舶信号灯控制箱 Ships signal control box
10/09/1991CN2086359U Portable miner's lamp
10/09/1991CN2086358U Portable dual-purpose wolfram halide lamp for alternating, direct current
10/09/1991CN2086066U Double-colour emulsion gloves for industry
10/09/1991CN1055114A Technology for producing tonic fluid of radix gentianae
10/09/1991CN1055113A Application of promethazine hydrochloride for treating haemorrhoids
10/09/1991CN1055108A Preparation of mu si for hairstyle forming
10/09/1991CN1055106A Microwave instrument for operation
10/09/1991CN1014209B Control apparatus for utilizing determined a section of strip pulling force between the two frames of the hot-rolling mills
10/08/1991CA1290434C Ridge guide distributed feedback laser and method of making same
10/04/1991CA2013828A1 Candelabrum
10/03/1991CA2013703A1 Contact shutter device in ic socket
10/02/1991CN2086037U Transistor ballast started by electronic timing preheating
10/02/1991CN2085981U Full-automatic tester for elasticity and aeolotropism of sheet metal
10/02/1991CN2085980U Multichannel intelligence monitor for temp and lubrication
10/02/1991CN2085905U Smoke eliminating and dust reducing device for vertical boiler
10/02/1991CN2085901U Household multifunctional globe type rotation lamp for dancing
10/02/1991CN2085900U Rainbow lamp
10/02/1991CN2085651U Needle-changing type spring lancet device
10/02/1991CN2085644U Multipurpose honeycomb briquette tongs with two bent arms
10/02/1991CN1054954A Method for producing zeolite 4a from high alumina cement
10/02/1991CN1054899A Prepn. of medical extract or syrup for urinary tract infection
10/02/1991CN1054897A Prepn. of gastralgia oral lquid
10/02/1991CN1054895A Prepn. of medicine for magical bag
10/02/1991CN1054894A Rats and chicken osteosynthesis medicine and prepn. thereof
10/02/1991CN1054892A Lasar prostate excision mirror
10/02/1991CN1014178B Three-swirl internal-separating circulating bed boiler
10/01/1991CA1290052C2 Program identification method and apparatus
10/01/1991CA1290031C Terminal protector for circuit board connector
09/1991
09/25/1991CN2085591U Electronic ballast for fluorescent lamp
09/25/1991CN2085468U Multifunctional combined desk lamp
09/25/1991CN2085467U Hand signal lamp for railway
09/25/1991CN2085463U Chargeable strong light torch
09/25/1991CN2085462U Pistol type torch
09/25/1991CN2085223U Disposal laboratory blood-drawing device matched with glass test tube
09/25/1991CN2085167U Industrial slide-proof latex gloves
09/25/1991CN1054719A Method for preparing oral liquor curing insane
09/25/1991CN1054717A Mouth cavity cleanser (or tooth-paste) and its making method
09/25/1991CN1014025B Manufacturing method of voltile oil containing 50% chinese angelica
09/22/1991CA2012863A1 Automated sensory evaluation system
09/20/1991CA2012614A1 Rescue administration aid device
09/18/1991CN2085138U D.c. lighting lamp
09/18/1991CN2085022U Desk lamp
09/18/1991CN2084913U Internal protection frame of fragile goods in external package for replacing foam material
09/18/1991CN2084802U Test tube type blood sampler
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