Inventor · disambiguated record
Gerhard Merten
Also filed as: LANGENBERG HELMUT · MERTEN GERHARD
72 granted patents·4 pending applications·1,008 citations·filing 1976–2012
99Inventor score
Files withDBT GMBH31GEWERK EISENHUETTE WESTFALIA26HOECHST AG5WESTFALIA BECORIT IND TECH3CATERPILLAR GLOBAL MINING EUR2
Top patents by PatentIndex Score
76 records- 0197US4571003AApparatus for controlling the position of a mineral mining machineGEWERK EISENHUETTE WESTFALIA·Filed 1984·Granted Feb 18, 1986·131 cites·9 claims
- 0295US8038558B2Chain drive or return arrangement and chain assembly and sprocket employed thereinDBT GMBH·Filed 2006·Granted Oct 18, 2011·29 cites·13 claims
- 0395US5641058AMethod and a device for tensioning endless drive beltsDBT GMBH·Filed 1995·Granted Jun 24, 1997·113 cites·12 claims
- 0491US8360912B2Chain drive or return arrangement and chain assembly and sprocket employed thereinCATERPILLAR GLOBAL MINING EUR·Filed 2011·Granted Jan 29, 2013·16 cites·12 claims
- 0590US7997402B2Link chain for chain conveyors and chain wheel thereofBUCYRUS EUROPE GMBH·Filed 2006·Granted Aug 16, 2011·23 cites·20 claims
- 0685US8550236B2Extraction device, particularly for mining, and method for controlling the extraction deviceMERTEN GERHARD·Filed 2008·Granted Oct 8, 2013·29 cites·28 claims
- 0783US7731298B2Shearer-loader drive subassembly and guide shoe for itDBT GMBH·Filed 2007·Granted Jun 8, 2010·17 cites·13 claims
- 0880US7562764B2Entry conveyor and pan section for the sameDBT GMBH·Filed 2007·Granted Jul 21, 2009·17 cites·20 claims
- 0980US6708817B2Drive and tensioning station of a chain scraper conveyorDBT GMBH·Filed 2001·Granted Mar 23, 2004·24 cites·16 claims
- 1078US7600822B2Method for the mining of coal and coal planer installationDBT GMBH·Filed 2006·Granted Oct 13, 2009·11 cites·12 claims
- 1175US6513647B1Scraper chain for scraper chain conveyorsDBT GMBH·Filed 2000·Granted Feb 4, 2003·11 cites·9 claims
- 1271US7775342B2Scrapers for link chains of scraper chain conveyors and scraper-securing element thereofBUCYRUS DBT EUROPE GMBH·Filed 2006·Granted Aug 17, 2010·9 cites·28 claims
- 1371US7032743B2Conveyor panDBT GMBH·Filed 2003·Granted Apr 25, 2006·18 cites·28 claims
- 1470US6896121B2Conveyor panDBT GMBH·Filed 2003·Granted May 24, 2005·17 cites·29 claims
- 1570US4607890AGuides for mineral mining machinesGEWERK EISENHUETTE WESTFALIA·Filed 1984·Granted Aug 26, 1986·28 cites·19 claims
- 1669US5947265AChain drum arrangement for scraper chain conveyorsDBT GMBH·Filed 1997·Granted Sep 7, 1999·37 cites·25 claims
- 1766US6715601B2Method for control of the chain drive mechanisms of underground working machines, especially chain scraper conveyors, and a chain scraper conveyorDBT AUTOM GMBH·Filed 2002·Granted Apr 6, 2004·17 cites·14 claims
- 1865US8474606B2Link chain for chain conveyors and horizontal chain links thereforMEYA HANS·Filed 2009·Granted Jul 2, 2013·6 cites·29 claims
- 1964US4474411AGuides for mineral mining machinesGEWERK EISENHUETTE WESTFALIA·Filed 1981·Granted Oct 2, 1984·23 cites·15 claims
- 2063US5927479AChain drum arrangement for scraper chain conveyorsDBT GMBH·Filed 1997·Granted Jul 27, 1999·21 cites·44 claims
- 2163US5553925AApparatus for automatically adjusting the cutting horizon of a mining extraction apparatusWESTFALIA BECORIT IND TECH·Filed 1995·Granted Sep 10, 1996·34 cites·80 claims
- 2262US6607074B2Drive station for a chain scraper conveyor for mining operationsDBT GMBH·Filed 2001·Granted Aug 19, 2003·11 cites·19 claims
- 2361US6959769B2Plough chain strand comprising a chain lock linkDBT GMBH·Filed 2003·Granted Nov 1, 2005·7 cites·18 claims
- 2461US4067619ALongwall machine guide with detachable cover plateGEWERK EISENHUETTE WESTFALIA·Filed 1976·Granted Jan 10, 1978·9 cites·16 claims
- 2558US7282826B2Driving device for sprocket wheels of chain drivesDBT GMBH·Filed 2004·Granted Oct 16, 2007·7 cites·22 claims
- 2657US5194543ACrosslinkable fluorine-containing copolymers, and surface coatings based on these copolymersHOECHST AG·Filed 1991·Granted Mar 16, 1993·11 cites·7 claims
- 2757US4275927AMineral mining plough with worm adjustable roof cutterGEWERK EISENHUETTE WESTFALIA·Filed 1979·Granted Jun 30, 1981·9 cites·6 claims
- 2856US7431401B2Slide shoe for mining winning machineDBT GMBH·Filed 2006·Granted Oct 7, 2008·2 cites·9 claims
- 2956US5913403ADrive station for a scraper-chain conveyor usable in an underground mine workingDBT GMBH·Filed 1996·Granted Jun 22, 1999·19 cites·25 claims
- 3055US6966429B2Conveyor panDBT GMBH·Filed 2003·Granted Nov 22, 2005·8 cites·19 claims
- 3154US7188441B2Plow guide for a chain-pulled plowDBT GMBH·Filed 2004·Granted Mar 13, 2007·6 cites·27 claims
- 3254US5601341ADrive gear and guide arrangement for a mining machine, in particular a disk shearerDBT GMBH·Filed 1995·Granted Feb 11, 1997·23 cites·57 claims
- 3354US4557525ACutter bit assemblyGEWERK EISENHUETTE WESTFALIA·Filed 1984·Granted Dec 10, 1985·10 cites·11 claims
- 3452US4583785AMineral winning ploughGEWERK EISENHUETTE WESTFALIA·Filed 1984·Granted Apr 22, 1986·14 cites·23 claims
- 3552US4456307ACutter bit assemblyGEWERK EISENHUETTE WESTFALIA·Filed 1982·Granted Jun 26, 1984·12 cites·21 claims
- 3650US5927476AConveyor pan connection for scraper chain conveyors in particular for use in miningDBT GMBH·Filed 1997·Granted Jul 27, 1999·13 cites·17 claims
- 3750US5589535AAir-drying polyurethane resins, their preparation and useHOECHST AG·Filed 1995·Granted Dec 31, 1996·11 cites·20 claims
- 3850US5525669AAqueous emulsions comprising polyvinyl butyralHOECHST AG·Filed 1994·Granted Jun 11, 1996·11 cites·20 claims
- 3949US7325670B2Conveyor panDBT GMBH·Filed 2003·Granted Feb 5, 2008·5 cites·8 claims
- 4049US4934757AControl of mineral mining machinesGEWERK EISENHUETTE WESTFALIA·Filed 1989·Granted Jun 19, 1990·16 cites·11 claims
- 4148US5658085AToggle securing device for toggle joints in chain conveyors and the likeDBT GMBH·Filed 1996·Granted Aug 19, 1997·13 cites·33 claims
- 4248US2013109520A1Sprocket for chain drivesCATERPILLAR GLOBAL MINING EUR·Filed 2012·Application pending·0 cites
- 4347US6612424B2Drive shaft for scraper chain conveyors for double inboard and double outer chain conveyor beltsDBT GMBH·Filed 2001·Granted Sep 2, 2003·3 cites·14 claims
- 4447US5213896AFluorine-containing powder coatingHOECHST AG·Filed 1991·Granted May 25, 1993·6 cites·9 claims
- 4547US2010016107A1Sprocket for chain drivesKLABISCH ADAM·Filed 2008·Application pending·0 cites
- 4644US6872025B2Toggle retainer for toggle connectionsDBT GMBH·Filed 2002·Granted Mar 29, 2005·2 cites·9 claims
- 4744US5137336AProcess for the automated winning of mineral, such as coal, in a longwall workingGEWERK EISENHUETTE WESTFALIA·Filed 1991·Granted Aug 11, 1992·14 cites·5 claims
- 4844US4571127AAdvance mechanism for mine roof support unitsGEWERK EISENHUETTE WESTFALIA·Filed 1984·Granted Feb 18, 1986·5 cites·9 claims
- 4942US4063781AApparatus for loading materialGEWERK EISENHUETTE WESTFALIA·Filed 1976·Granted Dec 20, 1977·4 cites·18 claims
- 5041US5704267AGuide shoe for a cutting machine especially for a drum or disk shearerBERGBAU TECHNIK GMBH DEUTSCHE·Filed 1996·Granted Jan 6, 1998·16 cites·35 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →