Assignee
CHARBONNAGES DE FRANCE
64 granted patents·953 citations·filing 1972–1991
Top patents by PatentIndex Score
64 records- 0193US4071304ASeparation of products in granular formCHARBONNAGES DE FRANCE·Filed 1976·Granted Jan 31, 1978·82 cites·23 claims
- 0285US4535853ADrill bit for jet assisted rotary drillingCHARBONNAGES DE FRANCE·Filed 1983·Granted Aug 20, 1985·118 cites·20 claims
- 0382US4838185AFluid fuel combustion process and turbulent-flow burner for implementing sameCHARBONNAGES DE FRANCE·Filed 1987·Granted Jun 13, 1989·36 cites·9 claims
- 0480US4873270APolyurethane-carbohydrate-based substances which can be calendered to produce biodegradable materialsCHARBONNAGES DE FRANCE·Filed 1988·Granted Oct 10, 1989·52 cites·19 claims
- 0575US4919611AFluid fuel combustion process and turbulent-flow burner for implementing sameCHARBONNAGES DE FRANCE·Filed 1989·Granted Apr 24, 1990·30 cites·4 claims
- 0674US4628831AHearth and process for fluidized-bed treatment of a fuelCHARBONNAGES DE FRANCE·Filed 1983·Granted Dec 16, 1986·32 cites·9 claims
- 0774US4550010AProcess for deodorizing polluted airCHARBONNAGES DE FRANCE·Filed 1982·Granted Oct 29, 1985·43 cites·9 claims
- 0874US4338160AProcess for drying and/or preheating coalCHARBONNAGES DE FRANCE·Filed 1980·Granted Jul 6, 1982·17 cites·4 claims
- 0970US4624339ASound-proofing casing for a pneumatic percussive drillCHARBONNAGES DE FRANCE·Filed 1984·Granted Nov 25, 1986·29 cites·8 claims
- 1068US4129990AAdvancing supportCHARBONNAGES DE FRANCE·Filed 1977·Granted Dec 19, 1978·19 cites·12 claims
- 1167US4235024AFluidized bed treatment apparatusCHARBONNAGES DE FRANCE·Filed 1978·Granted Nov 25, 1980·18 cites·3 claims
- 1263US4348138ASliding supporting galleryCHARBONNAGES DE FRANCE·Filed 1980·Granted Sep 7, 1982·16 cites·10 claims
- 1363US4057605AManufacture of light granular materialsCHARBONNAGES DE FRANCE·Filed 1975·Granted Nov 8, 1977·18 cites·11 claims
- 1461US4608552AProcess and device for the remote transmission of signals and application to the detection and/or measurement of the quanity of combustible gas in an atmosphereCHARBONNAGES DE FRANCE·Filed 1982·Granted Aug 26, 1986·17 cites·18 claims
- 1559US4647112ARotary cutter for gouging out ore from mine facesCHARBONNAGES DE FRANCE·Filed 1985·Granted Mar 3, 1987·28 cites·22 claims
- 1658US3979168AApparatus for the manufacture of light granulatesCHARBONNAGES DE FRANCE·Filed 1975·Granted Sep 7, 1976·17 cites·8 claims
- 1754US5234837APseudo-continuous process for interrogating a combustible gas detectorCHARBONNAGES DE FRANCE·Filed 1990·Granted Aug 10, 1993·28 cites·12 claims
- 1854US4152923AApparatus for selectively sampling dust and like solid particles granulometricallyCHARBONNAGES DE FRANCE·Filed 1978·Granted May 8, 1979·15 cites·4 claims
- 1952US4980681ADirect view remote control method for workings machine and transmitter and receiver assembly for carrying out such methodCHARBONNAGES DE FRANCE·Filed 1986·Granted Dec 25, 1990·16 cites·13 claims
- 2052US4712153APower circuit and trigger device comprising sameCHARBONNAGES DE FRANCE·Filed 1985·Granted Dec 8, 1987·11 cites·20 claims
- 2152US4534230AIndividual portable dust collectorCHARBONNAGES DE FRANCE·Filed 1983·Granted Aug 13, 1985·15 cites·10 claims
- 2251US4699060ADetonation arrestor device for bulk explosive materials transferCHARBONNAGES DE FRANCE·Filed 1986·Granted Oct 13, 1987·17 cites·9 claims
- 2350US4736711AFluidized-bed heat generator with improved means for ash removal and heat recoveryCHARBONNAGES DE FRANCE·Filed 1986·Granted Apr 12, 1988·15 cites·11 claims
- 2449US4669921ADevice for supplying a powdery product in gravimetrically metered amounts to a pneumatic lineCHARBONNAGES DE FRANCE·Filed 1985·Granted Jun 2, 1987·15 cites·3 claims
- 2549US4591009ADrill soundproofing deviceCHARBONNAGES DE FRANCE·Filed 1984·Granted May 27, 1986·13 cites·5 claims
- 2646US4904115AMethod and device for controlling the trajectory of a shield-type tunnelling machineCHARBONNAGES DE FRANCE·Filed 1988·Granted Feb 27, 1990·21 cites·13 claims
- 2745US4174947AInstallation and process for regulating the preheating of coking coalCHARBONNAGES DE FRANCE·Filed 1978·Granted Nov 20, 1979·10 cites·10 claims
- 2844US4538448AMethod and device for determining of explosivity rate of gaseous mediumCHARBONNAGES DE FRANCE·Filed 1983·Granted Sep 3, 1985·12 cites·23 claims
- 2944US4321032AProcess for the treatment of combustible granular and/or pulverulent material by drying and/or heating, and an installation for carrying out the processCHARBONNAGES DE FRANCE·Filed 1980·Granted Mar 23, 1982·4 cites·13 claims
- 3043US4668018ARotary cutter with spray nozzles for removal of ores from mine facesCHARBONNAGES DE FRANCE·Filed 1985·Granted May 26, 1987·15 cites·26 claims
- 3142US4968492ADevice for feeding fluidizing gas to the openings in a grid for supporting a bed of particles to be fluidizedCHARBONNAGES DE FRANCE·Filed 1989·Granted Nov 6, 1990·11 cites·5 claims
- 3242US4796691AFluidized bed heat exchange apparatusCHARBONNAGES DE FRANCE·Filed 1987·Granted Jan 10, 1989·12 cites·4 claims
- 3342US4616426AValve for the pneumatic distribution of fluidizable materialCHARBONNAGES DE FRANCE·Filed 1985·Granted Oct 14, 1986·10 cites·9 claims
- 3442US4344769AProcess and installation for treating coking coalCHARBONNAGES DE FRANCE·Filed 1980·Granted Aug 17, 1982·3 cites·21 claims
- 3542US3990349ADevice for effecting translational movement of a machineCHARBONNAGES DE FRANCE·Filed 1975·Granted Nov 9, 1976·8 cites·7 claims
- 3641US4737171APortable individual dust collectorCHARBONNAGES DE FRANCE·Filed 1986·Granted Apr 12, 1988·11 cites·11 claims
- 3741US4358224AContinuous sliding support gantry for a large passageCHARBONNAGES DE FRANCE·Filed 1980·Granted Nov 9, 1982·5 cites·11 claims
- 3840US4862157ASignal transfer method and equipment for electric machine equipped with three-phase power supply cableCHARBONNAGES DE FRANCE·Filed 1988·Granted Aug 29, 1989·17 cites·18 claims
- 3938US4231672AHeavy duty adjustable prop with a ball-and-socket jointCHARBONNAGES DE FRANCE·Filed 1979·Granted Nov 4, 1980·6 cites·9 claims
- 4037US4114385ARoof supportCHARBONNAGES DE FRANCE·Filed 1977·Granted Sep 19, 1978·3 cites·21 claims
- 4136US4255960AApparatus for measuring and/or monitoring a constituent of an atmosphereCHARBONNAGES DE FRANCE·Filed 1979·Granted Mar 17, 1981·6 cites·9 claims
- 4235US4232911ACarriage with articulated trackCHARBONNAGES DE FRANCE·Filed 1979·Granted Nov 11, 1980·4 cites·7 claims
- 4333US4648330AApparatus for injecting fluidization gasCHARBONNAGES DE FRANCE·Filed 1985·Granted Mar 10, 1987·8 cites·5 claims
- 4433US3966887AProcess for production of carbon fibers and the resultant fibersCHARBONNAGES DE FRANCE·Filed 1972·Granted Jun 29, 1976·5 cites·4 claims
- 4532US5009852ACooled fluidization gridCHARBONNAGES DE FRANCE·Filed 1988·Granted Apr 23, 1991·5 cites·6 claims
- 4631US4674564AFluidizing apparatus with built-in heat exchangerCHARBONNAGES DE FRANCE·Filed 1986·Granted Jun 23, 1987·3 cites·3 claims
- 4731US4660892ASectorial sprinkling device for coal miningCHARBONNAGES DE FRANCE·Filed 1985·Granted Apr 28, 1987·7 cites·6 claims
- 4831US4109473ARoof supportsCHARBONNAGES DE FRANCE·Filed 1977·Granted Aug 29, 1978·2 cites·12 claims
- 4929US4510039AProcess for the liquid phase hydrogenation of coalCHARBONNAGES DE FRANCE·Filed 1983·Granted Apr 9, 1985·6 cites·12 claims
- 5028US4212362ADevice for causing translation of a tracked machineCHARBONNAGES DE FRANCE·Filed 1978·Granted Jul 15, 1980·2 cites·4 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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