Assignee
BERGWERKSVERBAND GMBH
DE·221 granted patents·3,527 citations·filing 1971–1995
Top patents by PatentIndex Score
221 records- 0197US4224109AProcess and apparatus for the recovery of waste heat from a coke oven operationBERGWERKSVERBAND GMBH·Filed 1978·Granted Sep 23, 1980·87 cites·21 claims
- 0294US4491609AMethod of manufacturing adsorbentsBERGWERKSVERBAND GMBH·Filed 1983·Granted Jan 1, 1985·123 cites·6 claims
- 0392US5064444AProcess for the allothermic gasification of coalBERGWERKSVERBAND GMBH·Filed 1987·Granted Nov 12, 1991·57 cites·8 claims
- 0490US4124529ACarbonaceous adsorbents and process for making sameBERGWERKSVERBAND GMBH·Filed 1977·Granted Nov 7, 1978·38 cites·11 claims
- 0589US4657131ATension regulator for a chain driveBERGWERKSVERBAND GMBH·Filed 1985·Granted Apr 14, 1987·93 cites·5 claims
- 0688US4578089AMethod of separating highly adsorbable components in a gas stream in a pressure-sensing adsorber systemBERGWERKSVERBAND GMBH·Filed 1984·Granted Mar 25, 1986·66 cites·21 claims
- 0787US5439491AFluidized bed generator for allothermic gasification of coalBERGWERKSVERBAND GMBH·Filed 1994·Granted Aug 8, 1995·58 cites·1 claims
- 0887US4036024ADevice for closing off a mine gallery especially for use to prevent spreading of underground explosionsBERGWERKSVERBAND GMBH·Filed 1975·Granted Jul 19, 1977·72 cites·6 claims
- 0986US4475847AProcess for consolidation and sealing of geological formations and artificial beds of rock, earth, and coalBERGWERKSVERBAND GMBH·Filed 1982·Granted Oct 9, 1984·51 cites·11 claims
- 1084US4274941AProcess for generating combustible gases, liquid coal byproducts and superheated steam from coalBERGWERKSVERBAND GMBH·Filed 1975·Granted Jun 23, 1981·32 cites·10 claims
- 1184US3962129AImpregnation of coke with an organic compound to produce a molecular sieveBERGWERKSVERBAND GMBH·Filed 1974·Granted Jun 8, 1976·27 cites·8 claims
- 1283US5179058AProcess for manufacturing a carbonaceous catalyst for the reduction of nitrogen oxides in exhaust gasesBERGWERKSVERBAND GMBH·Filed 1991·Granted Jan 12, 1993·48 cites·20 claims
- 1383US3960522ACarbon-containing molecular sievesBERGWERKSVERBAND GMBH·Filed 1974·Granted Jun 1, 1976·23 cites·17 claims
- 1482US5018919ACombined rigid profile and stretching roof bolt with expansion elementBERGWERKSVERBAND GMBH·Filed 1990·Granted May 28, 1991·62 cites·7 claims
- 1582US4264339AProcess for the recovery of nitrogen-rich gases from gases containing at least oxygen as other componentBERGWERKSVERBAND GMBH·Filed 1979·Granted Apr 28, 1981·40 cites·10 claims
- 1682US4228508AAutomatic longwall mining system and methodBERGWERKSVERBAND GMBH·Filed 1978·Granted Oct 14, 1980·49 cites·12 claims
- 1782US4201695AArrangement for regenerating particulate adsorbentsBERGWERKSVERBAND GMBH·Filed 1977·Granted May 6, 1980·31 cites·2 claims
- 1881US4307980AProcess for consolidating and sealing off geological and artificially deposited rock and earth formationsBERGWERKSVERBAND GMBH·Filed 1980·Granted Dec 29, 1981·25 cites·18 claims
- 1981US4219405AMethod of continuously producing cokeBERGWERKSVERBAND GMBH·Filed 1978·Granted Aug 26, 1980·24 cites·23 claims
- 2080US4880765AProcess for producing carbon molecular sievesBERGWERKSVERBAND GMBH·Filed 1987·Granted Nov 14, 1989·36 cites·2 claims
- 2180US4648753ARock-bolt stabilizer device for mining and tunneling applicationsBERGWERKSVERBAND GMBH·Filed 1985·Granted Mar 10, 1987·51 cites·10 claims
- 2280US4517086ATubular filter apparatusBERGWERKSVERBAND GMBH·Filed 1983·Granted May 14, 1985·41 cites·10 claims
- 2380US3979330ACarbon containing molecular sievesBERGWERKSVERBAND GMBH·Filed 1974·Granted Sep 7, 1976·20 cites·21 claims
- 2479US5560437ATelemetry method for cable-drilled boreholes and method for carrying it outBERGWERKSVERBAND GMBH·Filed 1992·Granted Oct 1, 1996·105 cites·10 claims
- 2579US4566282AMethod and apparatus for inerting transport containersBERGWERKSVERBAND GMBH·Filed 1984·Granted Jan 28, 1986·39 cites·9 claims
- 2676US4415340AAdsorptive separation of gasesBERGWERKSVERBAND GMBH·Filed 1982·Granted Nov 15, 1983·33 cites·7 claims
- 2776US4102138AMethod for closing off a mine gallery especially for use to prevent spreading of underground explosionsBERGWERKSVERBAND GMBH·Filed 1977·Granted Jul 25, 1978·38 cites·4 claims
- 2875US4715746AMethod of strengthening geological formationsBERGWERKSVERBAND GMBH·Filed 1987·Granted Dec 29, 1987·29 cites·8 claims
- 2975US4521221AMethod of producing a methane-rich gas mixture from mine gasBERGWERKSVERBAND GMBH·Filed 1984·Granted Jun 4, 1985·32 cites·6 claims
- 3075US4475343AMethod for the generation of heat using a heat pump, particularly for _processes run only at high temperaturesBERGWERKSVERBAND GMBH·Filed 1981·Granted Oct 9, 1984·32 cites·8 claims
- 3174US4921826AProcess for producing an active carbon catalystBERGWERKSVERBAND GMBH·Filed 1987·Granted May 1, 1990·35 cites·2 claims
- 3274US4596293ATargetable drill with pressure telemetering of drill parametersBERGWERKSVERBAND GMBH·Filed 1984·Granted Jun 24, 1986·48 cites·15 claims
- 3374US4407374ADevice for controlling the orientation of bore holesBERGWERKSVERBAND GMBH·Filed 1981·Granted Oct 4, 1983·46 cites·18 claims
- 3474US4310437AFoam breaker for gas/liquid reactorsBERGWERKSVERBAND GMBH·Filed 1980·Granted Jan 12, 1982·31 cites·13 claims
- 3574US4174946AProcess for drying coal in two-stage flow-through circulation heatersBERGWERKSVERBAND GMBH·Filed 1977·Granted Nov 20, 1979·13 cites·7 claims
- 3673US4566881AProcess and apparatus for producing oxygen with a low proportion of argon from airBERGWERKSVERBAND GMBH·Filed 1985·Granted Jan 28, 1986·38 cites·20 claims
- 3773US4265771AAlluvial filter candle apparatus and a method of cleaning the sameBERGWERKSVERBAND GMBH·Filed 1979·Granted May 5, 1981·28 cites·22 claims
- 3872US4017422AMethod and apparatus for regenerating absorption particlesBERGWERKSVERBAND GMBH·Filed 1976·Granted Apr 12, 1977·20 cites·8 claims
- 3972US4011065AProcess for the enrichment of gasesBERGWERKSVERBAND GMBH·Filed 1974·Granted Mar 8, 1977·26 cites·28 claims
- 4071US5108467AProcess for at least partially separating a gaseous component from a mixture of gaseous componentsBERGWERKSVERBAND GMBH·Filed 1991·Granted Apr 28, 1992·39 cites·11 claims
- 4171US4202770AApparatus for purification of waste water by means of active carbonBERGWERKSVERBAND GMBH·Filed 1975·Granted May 13, 1980·20 cites·5 claims
- 4271US4054427AMethod of recovering krypton and xenon nuclides from waste gasesBERGWERKSVERBAND GMBH·Filed 1974·Granted Oct 18, 1977·20 cites·18 claims
- 4370US4833877AProcess for the reduction of pollutant emissions from power stations with combined gas/steam turbine processes with preceding coal gasificationBERGWERKSVERBAND GMBH·Filed 1987·Granted May 30, 1989·38 cites·10 claims
- 4469US5467018AMethod of processing transient electromagnetic measurements in geophysical analysisBERGWERKSVERBAND GMBH·Filed 1991·Granted Nov 14, 1995·45 cites·20 claims
- 4569US4581892AAdjustable fluid couplingBERGWERKSVERBAND GMBH·Filed 1984·Granted Apr 15, 1986·20 cites·10 claims
- 4669US4535065AMethod for regeneration of moist powder adsorption agentsBERGWERKSVERBAND GMBH·Filed 1982·Granted Aug 13, 1985·21 cites·4 claims
- 4769US4289604AMethod of producing an isotropic cokeBERGWERKSVERBAND GMBH·Filed 1977·Granted Sep 15, 1981·11 cites·2 claims
- 4868US4572723ANitrogen generator process for the production of low volumes of high purity nitrogen from compressed airBERGWERKSVERBAND GMBH·Filed 1984·Granted Feb 25, 1986·36 cites·5 claims
- 4968US4333816AMethod for the production of needle cokeBERGWERKSVERBAND GMBH·Filed 1980·Granted Jun 8, 1982·11 cites·5 claims
- 5068US4102635AMethod of and an arrangement for pre-heating coking coalBERGWERKSVERBAND GMBH·Filed 1977·Granted Jul 25, 1978·10 cites·15 claims
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