Inventor · disambiguated record
Wolfgang Keller
Also filed as: KELLER WOLFGANG
51 granted patents·8 pending applications·624 citations·filing 1973–2021
98Inventor score
Files withSIEMENS AG32EKATO RUEHR UND MISCHTECHNIK GMBH5KELLER WOLFGANG3WACKER CHEMIE GMBH3BAYER AG2
Top patents by PatentIndex Score
59 records- 0195US5725363AMicromembrane pumpKARLSRUHE FORSCHZENT·Filed 1996·Granted Mar 10, 1998·174 cites·7 claims
- 0291US3935062ANuclear power plant with a safety enclosureSIEMENS AG·Filed 1973·Granted Jan 27, 1976·51 cites·10 claims
- 0387US6324259B1Scattered-ray grid, particularly for a medical X-ray device, and a method of determining the position of the absorption elements of a scattered-ray gridSIEMENS AG·Filed 2000·Granted Nov 27, 2001·23 cites·22 claims
- 0484US7760327B2Reflecting optical element with eccentric optical passagewayZEISS CARL SMT AG·Filed 2006·Granted Jul 20, 2010·8 cites·55 claims
- 0584US4353874ARotary tube reactor for the thermal treatment of materialBAYER AG·Filed 1980·Granted Oct 12, 1982·32 cites·8 claims
- 0683US10493411B2Stirring deviceEKATO RUEHR UND MISCHTECHNIK GMBH·Filed 2015·Granted Dec 3, 2019·4 cites·17 claims
- 0781US10022683B2Stirring deviceEKATO RUEHR UND MISCHTECHNIK GMBH·Filed 2016·Granted Jul 17, 2018·3 cites·16 claims
- 0879US4108714AProcess for producing plate-shaped silicon bodies for solar cellsSIEMENS AG·Filed 1976·Granted Aug 22, 1978·42 cites·6 claims
- 0976US3953796AMethod and apparatus for measuring electrical conductivitySIEMENS AG·Filed 1974·Granted Apr 27, 1976·21 cites·8 claims
- 1071US7382220B2Ignition coil for an internal combustion engineBOSCH GMBH ROBERT·Filed 2006·Granted Jun 3, 2008·5 cites·7 claims
- 1169US4538279AInduction coil in the form of a pancake coil for crucible-free zone meltingSIEMENS AG·Filed 1983·Granted Aug 27, 1985·21 cites·27 claims
- 1268US4900887AFloating zone drawing circuitry for semiconductor rodsSIEMENS AG·Filed 1989·Granted Feb 13, 1990·17 cites·4 claims
- 1366US4027051AMethod of producing homogeneously doped n-type Si monocrystals and adjusting dopant concentration therein by thermal neutron radiationSIEMENS AG·Filed 1974·Granted May 31, 1977·16 cites·1 claims
- 1466US3939035AMethod of producing monocrystalline semiconductor material, particularly silicon, with adjustable dislocation densitySIEMENS AG·Filed 1974·Granted Feb 17, 1976·10 cites·1 claims
- 1565US6998437B2Preparation of polydiorganosiloxanesWACKER CHEMIE GMBH·Filed 2003·Granted Feb 14, 2006·6 cites·20 claims
- 1665US3994776ANuclear reactor installationSIEMENS AG·Filed 1973·Granted Nov 30, 1976·13 cites·1 claims
- 1765US3954416AApparatus for positively doping semiconductor crystals during zone meltingSIEMENS AG·Filed 1974·Granted May 4, 1976·10 cites·10 claims
- 1864US6824881B2Thermoplastic silicone block copolymers, the production thereof and the use of the sameWACKER CHEMIE GMBH·Filed 2001·Granted Nov 30, 2004·6 cites·15 claims
- 1961US4020791AApparatus for indiffusing dopants into semiconductor materialSIEMENS AG·Filed 1974·Granted May 3, 1977·18 cites·4 claims
- 2058US7448763B2Optical subassembly and projection objective in semiconductor lithographyZEISS CARL SMT AG·Filed 2003·Granted Nov 11, 2008·7 cites·29 claims
- 2156US3950479AMethod of producing hollow semiconductor bodiesSIEMENS AG·Filed 1973·Granted Apr 13, 1976·7 cites·7 claims
- 2255US4579719AApparatus for crucible-free floating-zone melting a semiconductor rod, particularly of siliconSIEMENS AG·Filed 1983·Granted Apr 1, 1986·14 cites·20 claims
- 2355US3985947ADevice and method for crucible-free zone melting of crystallizable rods in particular semiconductor rodsSIEMENS AG·Filed 1975·Granted Oct 12, 1976·11 cites·9 claims
- 2454US8181368B2Steam iron with tank including overpressure safety deviceSPATZ DIERK·Filed 2008·Granted May 22, 2012·0 cites·14 claims
- 2552US6339249B1Semiconductor diodeINFINEON TECHNOLOGIES AG·Filed 2000·Granted Jan 15, 2002·5 cites·11 claims
- 2649US4260372ARotary tubeBAYER AG·Filed 1980·Granted Apr 7, 1981·6 cites·5 claims
- 2749US4045278AMethod and apparatus for floating melt zone of semiconductor crystal rodsSIEMENS AG·Filed 1976·Granted Aug 30, 1977·7 cites·7 claims
- 2849US2022331758A1Stirrer Apparatus and Method for MixingEKATO RUEHR UND MISCHTECHNIK GMBH·Filed 2020·Application pending·0 cites
- 2948US10252227B2System and method for starting up stirring machines in a sedimentEKATO RUEHR UND MISCHTECHNIK GMBH·Filed 2013·Granted Apr 9, 2019·0 cites·23 claims
- 3048US2023364565A1Stirring element device and method for producing a stirring element deviceEKATO RUEHR UND MISCHTECHNIK GMBH·Filed 2021·Application pending·0 cites
- 3147US9033572B2Agitator for abrasive mediaKELLER WOLFGANG·Filed 2008·Granted May 19, 2015·0 cites·26 claims
- 3247US4331827AMethod of producing current lead-ins having coaxial constructionSIEMENS AG·Filed 1979·Granted May 25, 1982·6 cites·6 claims
- 3346US4429443AMachine toolKOELBLIN ROLF·Filed 1982·Granted Feb 7, 1984·13 cites·15 claims
- 3446US4126509AProcess for producing phosophorous-doped silicon monocrystals having a select peripheral dopant concentration along a radial cross-section of such monocrystalSIEMENS AG·Filed 1976·Granted Nov 21, 1978·6 cites·2 claims
- 3546US4045183ASupport device for use in a crucible-free floating zone melting apparatusSIEMENS AG·Filed 1975·Granted Aug 30, 1977·9 cites·17 claims
- 3645US4797525AInduction heater for floating zone meltingSIEMENS AG·Filed 1987·Granted Jan 10, 1989·7 cites·4 claims
- 3745US4392230AMethod and apparatus for the manufacture of silicon by crucible-free zone meltingSIEMENS AG·Filed 1980·Granted Jul 5, 1983·9 cites·7 claims
- 3843US6972053B2Installation for coating a workpiece with powderWAGNER J AG·Filed 2003·Granted Dec 6, 2005·1 cites·13 claims
- 3943US4506132AInduction coil in the form of a flat coil for crucible-free floating zone meltingSIEMENS AG·Filed 1982·Granted Mar 19, 1985·7 cites·24 claims
- 4043US3961906AApparatus for crucible-free zone melting of semiconductor crystal rods including oscillation dampening materialSIEMENS AG·Filed 1975·Granted Jun 8, 1976·5 cites·2 claims
- 4141US2004014923A1Silicone peroxidesWACKER CHEMIE GMBH·Filed 2003·Application pending·0 cites
- 4240US2020082236A1Carrier for Multiple Chip CardsERICSSON TELEFON AB L M·Filed 2016·Application pending·0 cites
- 4339US2004014836A1Silicone-containing polymers of ethylenically unsaturated monomersWACKER POLYMER SYSTEMS GMBH·Filed 2003·Application pending·0 cites
- 4438US6783053B2Clamping mechanism for clamping sheet metal workpiecesDAIMLER CHRYSLER AG·Filed 2003·Granted Aug 31, 2004·4 cites·5 claims
- 4538US3976536AMethod for producing a controlled radial path of resistance in a semiconductor monocrystalline rodSIEMENS AG·Filed 1974·Granted Aug 24, 1976·2 cites·7 claims
- 4637US2005112290A1Method for the production of polyolefinic optical filmsFiled 2004·Application pending·0 cites
- 4737US2006225315A1Filling orifice provided with a push button closureKELLER WOLFGANG·Filed 2004·Application pending·0 cites
- 4835US4361716ACurrent lead-in of the coaxial type for sealing to a container wallSIEMENS AG·Filed 1980·Granted Nov 30, 1982·2 cites·3 claims
- 4934US8696861B2Grindable silicone elastomer composition and the use thereofKELLER WOLFGANG·Filed 2011·Granted Apr 15, 2014·0 cites·9 claims
- 5034US2007187272A1Device for the storage and use of at least one photomask for lithographic projection and method for using the device in an exposure installationBONNESS ANJA·Filed 2006·Application pending·0 cites
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →