Assignee
CANADIAN PATENTS DEV
501 granted patents·18,638 citations·filing 1971–1989
Top patents by PatentIndex Score
501 records- 0199US4542449ALighting panel with opposed 45° corrugationsCANADIAN PATENTS DEV·Filed 1983·Granted Sep 17, 1985·373 cites·5 claims
- 0299US4260220APrism light guide having surfaces which are in octatureCANADIAN PATENTS DEV·Filed 1979·Granted Apr 7, 1981·244 cites·12 claims
- 0399US4026632AFrequency selective interwaveguide couplerCANADIAN PATENTS DEV·Filed 1976·Granted May 31, 1977·279 cites·7 claims
- 0498US4615579APrism light guide luminaireCANADIAN PATENTS DEV·Filed 1983·Granted Oct 7, 1986·169 cites·10 claims
- 0598US4567602ACorrelated signal processorCANADIAN PATENTS DEV·Filed 1983·Granted Jan 28, 1986·218 cites·14 claims
- 0698US4452773AMagnetic iron-dextran microspheresCANADIAN PATENTS DEV·Filed 1982·Granted Jun 5, 1984·915 cites·31 claims
- 0798US4350879ATime jitter determining apparatusCANADIAN PATENTS DEV·Filed 1979·Granted Sep 21, 1982·133 cites·14 claims
- 0897US4826299ALinear deiverging lensCANADIAN PATENTS DEV·Filed 1987·Granted May 2, 1989·237 cites·12 claims
- 0997US4763977AOptical fiber coupler with tunable coupling ratio and method of makingCANADIAN PATENTS DEV·Filed 1985·Granted Aug 16, 1988·192 cites·11 claims
- 1096US4618735AProcess and apparatus for the conversion of sludgesCANADIAN PATENTS DEV·Filed 1984·Granted Oct 21, 1986·124 cites·14 claims
- 1196US4291940ALow loss access coupler for multimode optical fiber distribution systemsCANADIAN PATENTS DEV·Filed 1977·Granted Sep 29, 1981·112 cites·9 claims
- 1295US4900119AWavelength selective optical devices using optical directional couplerCANADIAN PATENTS DEV·Filed 1988·Granted Feb 13, 1990·151 cites·10 claims
- 1395US4627734AThree dimensional imaging method and deviceCANADIAN PATENTS DEV·Filed 1986·Granted Dec 9, 1986·131 cites·22 claims
- 1495US4474427AOptical fiber reflective filterCANADIAN PATENTS DEV·Filed 1979·Granted Oct 2, 1984·85 cites·17 claims
- 1595US4118305AApparatus for electrochemical reactionsCANADIAN PATENTS DEV·Filed 1976·Granted Oct 3, 1978·63 cites·9 claims
- 1695US4107628ACW Brillouin ring laserCANADIAN PATENTS DEV·Filed 1977·Granted Aug 15, 1978·47 cites·5 claims
- 1795US3969201AElectrolytic production of alkaline peroxide solutionsCANADIAN PATENTS DEV·Filed 1975·Granted Jul 13, 1976·69 cites·16 claims
- 1894US5009486AForm depicting, optical interference authenticating deviceCANADIAN PATENTS DEV·Filed 1989·Granted Apr 23, 1991·177 cites·13 claims
- 1994US4880473AProcess for the production of fermentable sugars from biomassCANADIAN PATENTS DEV·Filed 1988·Granted Nov 14, 1989·105 cites·8 claims
- 2094US4644565ASuperposed quadrature modulated baseband signal processorCANADIAN PATENTS DEV·Filed 1984·Granted Feb 17, 1987·195 cites·20 claims
- 2194US4640767AHydrocarbon extraction agents and microbiological processes for their productionCANADIAN PATENTS DEV·Filed 1984·Granted Feb 3, 1987·96 cites·8 claims
- 2294US4356170AImmunogenic polysaccharide-protein conjugatesCANADIAN PATENTS DEV·Filed 1981·Granted Oct 26, 1982·448 cites·26 claims
- 2394US3952577AApparatus for measuring the flow rate and/or viscous characteristics of fluidsCANADIAN PATENTS DEV·Filed 1975·Granted Apr 27, 1976·123 cites·38 claims
- 2493US4913730ARecovery of gold from aqueous solutionsCANADIAN PATENTS DEV·Filed 1988·Granted Apr 3, 1990·84 cites·17 claims
- 2593US4707064AOptical mixing/demixing deviceCANADIAN PATENTS DEV·Filed 1986·Granted Nov 17, 1987·103 cites·7 claims
- 2693US4700197AAdaptive array antennaCANADIAN PATENTS DEV·Filed 1986·Granted Oct 13, 1987·204 cites·12 claims
- 2793US4659224AOptical interferometric reception of ultrasonic energyCANADIAN PATENTS DEV·Filed 1985·Granted Apr 21, 1987·105 cites·20 claims
- 2893US4414621AInteractive visual communications systemCANADIAN PATENTS DEV·Filed 1981·Granted Nov 8, 1983·250 cites·8 claims
- 2993US4158656AOilseed processingCANADIAN PATENTS DEV·Filed 1978·Granted Jun 19, 1979·142 cites·11 claims
- 3092US4752946AGas discharge derived annular plasma pinch x-ray sourceCANADIAN PATENTS DEV·Filed 1986·Granted Jun 21, 1988·108 cites·16 claims
- 3192US4748329AMethod for on-line thickness monitoring of a transparent filmCANADIAN PATENTS DEV·Filed 1987·Granted May 31, 1988·86 cites·18 claims
- 3292US4651716AMethod and device for enhancement of cardiac contractilityCANADIAN PATENTS DEV·Filed 1985·Granted Mar 24, 1987·226 cites·10 claims
- 3392US4633715ALaser heterodyne interferometric method and system for measuring ultrasonic displacementsCANADIAN PATENTS DEV·Filed 1985·Granted Jan 6, 1987·97 cites·26 claims
- 3492US4481640ASpread spectrum modemCANADIAN PATENTS DEV·Filed 1982·Granted Nov 6, 1984·134 cites·21 claims
- 3592US4480082AEpoxy resin fortifiers based on aromatic amidesCANADIAN PATENTS DEV·Filed 1983·Granted Oct 30, 1984·102 cites·17 claims
- 3692US4424346ADerivatives of chitins, chitosans and other polysaccharidesCANADIAN PATENTS DEV·Filed 1981·Granted Jan 3, 1984·115 cites·10 claims
- 3792US4347686AFin-stabilized container of foldable sheet materialCANADIAN PATENTS DEV·Filed 1978·Granted Sep 7, 1982·339 cites·8 claims
- 3892US4219847AMethod and apparatus of determining the center of area or centroid of a geometrical area of unspecified shape lying in a larger x-y scan fieldCANADIAN PATENTS DEV·Filed 1979·Granted Aug 26, 1980·211 cites·1 claims
- 3992US4084905AApparatus for detecting and measuring fluorescence emissionCANADIAN PATENTS DEV·Filed 1976·Granted Apr 18, 1978·80 cites·1 claims
- 4092US4076578AInk removal from waste paperCANADIAN PATENTS DEV·Filed 1976·Granted Feb 28, 1978·48 cites·22 claims
- 4192US3975194AFormation of hollow spherical articlesCANADIAN PATENTS DEV·Filed 1974·Granted Aug 17, 1976·77 cites·13 claims
- 4291US5056922AMethod and apparatus for monitoring the surface profile of a moving workpieceCANADIAN PATENTS DEV·Filed 1989·Granted Oct 15, 1991·71 cites·13 claims
- 4391US4751723AMultiple vacuum arc derived plasma pinch x-ray sourceCANADIAN PATENTS DEV·Filed 1986·Granted Jun 14, 1988·96 cites·11 claims
- 4491US4462001ABaseband linearizer for wideband, high power, nonlinear amplifiersCANADIAN PATENTS DEV·Filed 1982·Granted Jul 24, 1984·115 cites·4 claims
- 4591US4027185AHigh intensity radiation sourceCANADIAN PATENTS DEV·Filed 1975·Granted May 31, 1977·45 cites·11 claims
- 4690US4788080AProcess and apparatus for coating particles with fine powderCANADIAN PATENTS DEV·Filed 1987·Granted Nov 29, 1988·79 cites·19 claims
- 4790US4727136AModified meningococcal group B polysaccharide for conjugate vaccineCANADIAN PATENTS DEV·Filed 1985·Granted Feb 23, 1988·124 cites·8 claims
- 4890US4336435AMicrowave apparatus for heating liquid in a closed plastic containerCANADIAN PATENTS DEV·Filed 1981·Granted Jun 22, 1982·107 cites·13 claims
- 4990US4029567ASolids recovery from coal liquefaction slurryCANADIAN PATENTS DEV·Filed 1976·Granted Jun 14, 1977·61 cites·12 claims
- 5090US4027536ATransducer for engine fuel injection monitoringCANADIAN PATENTS DEV·Filed 1976·Granted Jun 7, 1977·41 cites·8 claims
Showing the top 50 of 501 patent records by PatentIndex Score.
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