Patents
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Patents for 1981 (346)
09/1981
09/08/1981CA1108480A1 Wave solder machine
09/08/1981CA1108372A1 Method of and apparatus for biocidal sterilization using cyclic subatmospheric pressure conditioning
09/02/1981EP0034711A2 Process for preparing aromatic isocyanates with aromatically bound sulfochloride groups
09/01/1981USPP4763 Strawberry plant
09/01/1981CA1108174A2 Method for preparing halosily carbamates and isocyanates derived therefrom
09/01/1981CA1107932A2 Harnessing device
09/01/1981CA1107925A1 Retreading a pneumatic tire
08/1981
08/25/1981CA1107771A1 System for feeding elongated documents to reproducing apparatus
08/25/1981CA1107756A1 Preparation of alkyl mercaptocarboxylate/dialkyl thiodicarboxylate mixture using sulfur and/or water cocatalyst
08/25/1981CA1107711A1 Rock-breaking tool for percussive-action machine
08/25/1981CA1107629A1 Vehicle cushion
08/18/1981US4284575 Diazo transfer agents
08/18/1981CA1107019A1 Process for blow molding of a spout container
08/18/1981CA1107018A1 Method of manufacturing rubber articles and means for carrying out said method
08/11/1981CA1106774A2 Hollow fiber dialysis
08/11/1981CA1106773A2 Hollow fiber dialysis
08/11/1981CA1106772A2 Hollow fiber dialysis
08/11/1981CA1106771A2 Hollow fiber dialysis
08/11/1981CA1106770A2 Hollow fiber dialysis
08/11/1981CA1106769A2 Hollow fiber dialysis
08/11/1981CA1106748A1 Wheel restraining means
08/11/1981CA1106570A2 Method and apparatus improvements in temperature conditioning parts
08/11/1981CA1106567A1 Polymer film having linear tear properties
08/04/1981US4282405 Speech analyzer comprising circuits for calculating autocorrelation coefficients forwardly and backwardly
08/04/1981CA1106397A1 2-amino-cyclopent-1-ene-1-dithiocarboxylic acid derivatives and a process for the preparation thereof
08/04/1981CA1106252A2 Solar energy collector module
08/04/1981CA1106129A1 Integrated sewage treatment system
08/04/1981CA1106126A1 Fixture hanging assembly
08/04/1981CA1106125A1 Method for molding hollow objects of thermoplastic resins and an apparatus for making the same
08/04/1981CA1106123A1 Arts and crafts molding device
08/04/1981CA1106120A1 Process for producing expanded article of thermoplastic resin
07/1981
07/28/1981US4281251 Scanning beam deflection system and method
07/28/1981CA1105987A1 Fail-safe/surge arrester systems
07/28/1981CA1105910A1 Luminaire
07/28/1981CA1105720A1 Solar powered engine and tracking system
07/28/1981CA1105652A2 Heart valve structure
07/21/1981US4279613 4-isopropyl cresol coupler and developer therefor
07/21/1981US4279077 Pocket can opener
07/21/1981CA1105446A1 Principal supporting structure for a portable machine used, when fully equipped, in taking earth core samples during earth or soil testing operations
07/21/1981CA1105393A1 Earplug
07/21/1981CA1105339A1 Solar energy collector
07/21/1981CA1105285A2 Concrete form panel tying apparatus
07/21/1981CA1105271A1 Lawn mower and grass catcher
07/14/1981CA1105095A1 Method for heat treatment of elongated metal members by induction heating
07/14/1981CA1104942A1 Inline intravenous final filter unit
07/14/1981CA1104880A1 Trolling driving means for boat
07/14/1981CA1104778A1 Multi-screw, continuous, material processing systems
07/14/1981CA1104770A1 Self propelled drivehead for automatic swimming pool cleaner
07/07/1981US4277675 Non-sequential counter
07/07/1981US4277623 Conversion of alkane and/or cycloalkane thiols to disulfide with catalyst system comprised of cobalt molybdate and an alkali- or alkaline earth metal hydroxide
07/07/1981CA1104584A1 Esters of 1-(p-hydroxyphenyl)-2-(1'-methyl-2'- phenoxyethylamino)-1-propanol
07/07/1981CA1104458A2 Integral hydraulic circuit for hemodialysis apparatus
07/07/1981CA1104426A2 Waste disposal system and method
07/07/1981CA1104418A2 Hydraulic pump and motor for a brake system
07/07/1981CA1104320A1 Corner assembly for wall panels
06/1981
06/30/1981USPP4748 Dwarf peach W-110
06/30/1981US4276433 Continuous preparation of anthranilic acid
06/30/1981US4276429 ω-Aryl-13,14-didehydro-PGF compounds
06/30/1981US4276230 Insecticides, miticides
06/30/1981CA1104157A2 Analogues of bestatin
06/30/1981CA1104155A2 Process for the production of n, n-bis (hydroxyalkyl) taurine-salts
06/30/1981CA1104049A1 Method of stitching radial tires to inhibit belt edge distortion
06/30/1981CA1104016A2 Modular tubular solar energy collector apparatus
06/30/1981CA1103870A1 Building blocks
06/24/1981EP0030869A2 Process for producing 2,3-dihalogenopropionitrile
06/24/1981EP0030532A1 Process for removing amino-acids from keratine
06/23/1981CA1103778A1 Magnetic coin element sensor
06/23/1981CA1103769A1 Connectors and articles having connectors thereon
06/23/1981CA1103634A1 Roadside barrier reflector
06/16/1981USPP4741 Granny Smith apple tree (greenspur strain)
06/16/1981US4273940 Bis-(2-benzylaminoethyl)-disulfides
06/16/1981CA1103288A2 Vehicle steering brake and clutch control
06/16/1981CA1103144A2 Device for dividing a strand into slabs
06/16/1981CA1102977A2 Mold body for use in a method of forming a tread pattern on a tire
06/09/1981USPP4740 Apple tree--N.J. 49 cultivar
06/09/1981USPP4739 Almond tree
06/09/1981US4272631 Methionine production
06/09/1981US4272519 Cosmetic lotion formulation
06/09/1981US4272096 Powerful oscillating pedal bicycle
06/09/1981US4271952 Serration detector
06/09/1981CA1102832A1 Shock absorbing mobile adapter
06/09/1981CA1102769A1 Portable lamp
06/09/1981CA1102626A1 Waste disposal system and method
06/09/1981CA1102569A1 Drying of cavities
06/09/1981CA1102560A2 Mowing machines
06/02/1981USPP4732 Raspberry plant named Bababerry
06/02/1981US4271089 By-product inhibition
06/02/1981CA1102371A1 Suspension assembly for off-road vehicle
06/02/1981CA1102194A2 Solar energy collection apparatus
06/02/1981CA1102193A2 Solar energy collection apparatus
06/02/1981CA1102067A1 Method and apparatus for molding expandable polystyrene
05/1981
05/26/1981CA1101602A1 Swimmer arrival signal panels incorporated in a swimming pool bulkhead
05/19/1981US4268526 Cosmetic cream formulation
05/19/1981US4267916 Coin identification system
05/19/1981CA1101538A2 Facsimile transmitter having improved response
05/19/1981CA1101500A2 Dual modulus programmable counter
05/19/1981CA1101445A1 Producing glycine by the reductive amination of glyoxylic acid
05/19/1981CA1101406A1 Augering accessory for backhoe or the like
05/19/1981CA1101226A1 Safety attachment for lawn mowers
05/19/1981CA1101174A2 Volatile liquid supply equipment and processes and apparatus for introducing volatile cross-linking agents into polyolefin compounds and for the extrusion of cross-linkable polyolefin compounds
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