Inventor · disambiguated record
Wolfgang Ehrfeld
Also filed as: EHRFELD URSULA · EHRFELD WOLFGANG
47 granted patents·6 pending applications·1,515 citations·filing 1974–2007
99Inventor score
Files withKERNFORSCHUNGSZ KARLSRUHE23INST MIKROTECHNIK MAINZ GMBH12EHRFELD MIKROTECHNIK BTS GMBH4BURKERT GMBH WERK INGELFINGEN2IMM INST FUR MIKROTECHNIK GMBH2
Top patents by PatentIndex Score
53 records- 0198US4797211ACross flow microfilterKERNFORSCHUNGSZ KARLSRUHE·Filed 1986·Granted Jan 10, 1989·222 cites·7 claims
- 0297US6230408B1Process for producing micro-heat exchangersINST MIKROTECHNIK MAINZ GMBH·Filed 1997·Granted May 15, 2001·102 cites·7 claims
- 0396US4514095AMotionless mixerKERNFORSCHUNGSZ KARLSRUHE·Filed 1983·Granted Apr 30, 1985·98 cites·5 claims
- 0495US5054522AMicrovalveBURKERT GMBH WERK INGELFINGEN·Filed 1990·Granted Oct 8, 1991·137 cites·17 claims
- 0593US6484582B2Rolling bearing with sensing unit which can be remotely interrogatedFAG OEM & HANDEL AG·Filed 2001·Granted Nov 26, 2002·55 cites·13 claims
- 0692US4784935AMethod of producing a passive optical device including at least one reflection gratingKERNFORSCHUNGSZ KARLSRUHE·Filed 1987·Granted Nov 15, 1988·85 cites·9 claims
- 0792US4661212AMethod for producing a plurality of plate shaped microstructured metal bodiesKERNFORSCHUNGSZ KARLSRUHE·Filed 1986·Granted Apr 28, 1987·70 cites·6 claims
- 0890US7615274B2Storage magazine for microstructured molded parts and fabrication procedureINST MIKROTECHNIK MAINZ GMBH·Filed 2007·Granted Nov 10, 2009·11 cites·20 claims
- 0990US4872888AMicroporous membrane filter and method of producing sameKERNFORSCHUNGSZ KARLSRUHE·Filed 1988·Granted Oct 10, 1989·58 cites·9 claims
- 1086US5096643AMethod of manufacturing microvalvesBURKERT GMBH WERK INGELFINGEN·Filed 1990·Granted Mar 17, 1992·61 cites·13 claims
- 1183US4990827AMicro secondary electron multiplierKERNFORSCHUNGSZ KARLSRUHE·Filed 1988·Granted Feb 5, 1991·32 cites·27 claims
- 1281US4205913ADetermination of the partial pressure and the concentration of a gasKERNFORSCHUNGSZ KARLSRUHE·Filed 1978·Granted Jun 3, 1980·32 cites·19 claims
- 1380US5698485AProcess for producing ceramic microstructures from polymeric precursorsHOECHST AG·Filed 1996·Granted Dec 16, 1997·46 cites·19 claims
- 1479US5194402AMethod of producing microsensors with integrated signal processingKERNFORSCHUNGSZ KARLSRUHE·Filed 1988·Granted Mar 16, 1993·27 cites·12 claims
- 1575US4738010AMethod of producing a sheet or plate-shaped structure as the bearing material for slide bearingsKERNFORSCHUNGSZ KARLSRUHE·Filed 1987·Granted Apr 19, 1988·30 cites·7 claims
- 1672US7201863B1Magazine for microstructured moulded parts and method for the production thereofINST MIKROTECHNIK MAINZ GMBH·Filed 2000·Granted Apr 10, 2007·8 cites·22 claims
- 1772US6982064B1MicromixerINST MIKROTECHNIK MAINZ GMBH·Filed 2000·Granted Jan 3, 2006·15 cites·17 claims
- 1871US7909502B2Static lamination micro mixerEHRFELD MIKROTECHNIK BTS GMBH·Filed 2003·Granted Mar 22, 2011·22 cites·25 claims
- 1970US4698285AMethod for producing deep-etch, X-ray lithography masksKERNFORSCHUNGSZ KARLSRUHE·Filed 1986·Granted Oct 6, 1987·30 cites·10 claims
- 2069US4563251ALayered multichannel metal plates for image amplifiersKERNFORSCHUNGSZ KARLSRUHE·Filed 1985·Granted Jan 7, 1986·16 cites·15 claims
- 2169US4563250AMethod for producing multichannel platesKERNFORSCHUNGSZ KARLSRUHE·Filed 1985·Granted Jan 7, 1986·16 cites·6 claims
- 2268US5126035AElectrochemical measuring cellDRAEGERWERK AG·Filed 1989·Granted Jun 30, 1992·29 cites·19 claims
- 2367US6906607B1Method for producing and magazining individual magnetic components and the assembly thereof for producing miniaturized magnetic systems and such magnetic systemsINST MIKROTECHNIK MAINZ GMBH·Filed 2000·Granted Jun 14, 2005·11 cites·16 claims
- 2467US4541977AMethod for producing separating nozzle elementsKERNFORSCHUNGSZ KARLSRUHE·Filed 1983·Granted Sep 17, 1985·23 cites·7 claims
- 2566US4694548AMethod for producing a spinning nozzle plateKERNFORSCHUNGSZ KARLSRUHE·Filed 1986·Granted Sep 22, 1987·21 cites·21 claims
- 2665US5502567AMicropolarimeter, microsensor system and method of characterizing thin filmsIBM·Filed 1994·Granted Mar 26, 1996·32 cites·24 claims
- 2765US4703559AMethod for producing connecting elements for electrically joining microelectronic componentsKERNFORSCHUNGSZ KARLSRUHE·Filed 1985·Granted Nov 3, 1987·21 cites·21 claims
- 2863US6700278B1Disk motor with bearing prestressing featureINST MIKROTECHNIK MAINZ GMBH·Filed 2000·Granted Mar 2, 2004·14 cites·16 claims
- 2963US4693791AMethod for producing spinning nozzle platesKERNFORSCHUNGSZ KARLSRUHE·Filed 1986·Granted Sep 15, 1987·19 cites·6 claims
- 3061US4493753AMethod for producing separating nozzle elements for the separation of fluid mixturesKERNFORSCHUNGSZ KARLSRUHE·Filed 1983·Granted Jan 15, 1985·22 cites·11 claims
- 3160US7827871B2Antifriction bearing provided with polymer electronicsSCHAEFFLER KG·Filed 2004·Granted Nov 9, 2010·8 cites·30 claims
- 3260US6851174B2Integrally cast magazine for microcomponentsINST MIKROTECHNIK MAINZ GMBH·Filed 2003·Granted Feb 8, 2005·5 cites·14 claims
- 3360US4351653AMethod for producing separating nozzle elementsKERNFORSCHUNGSZ KARLSRUHE·Filed 1980·Granted Sep 28, 1982·19 cites·13 claims
- 3459US7934865B2MicromixerEHRFELD MIKROTECHNIK BTS GMBH·Filed 2005·Granted May 3, 2011·1 cites·12 claims
- 3558US4705605AMethod for producing a spinning nozzle plateKERNFORSCHUNGSZ KARLSRUHE·Filed 1986·Granted Nov 10, 1987·16 cites·19 claims
- 3657US4422905AMethod for producing separating nozzle elements used for separating gaseous or vaporous mixturesKERNFORSCHUNGSZ KARLSRUHE·Filed 1980·Granted Dec 27, 1983·16 cites·10 claims
- 3755US4235606ASeparation of gaseous or vaporous substances according to the separating nozzle principleKERNFORSCHUNGSZ KARLSRUHE·Filed 1979·Granted Nov 25, 1980·14 cites·12 claims
- 3853US6531080B1Method for producing and magazining micro-componentsINST MIKROTECHNIK MAINZ GMBH·Filed 1998·Granted Mar 11, 2003·12 cites·13 claims
- 3953US3989483AMethod and device for separating gaseous or vaporous materials, especially isotopes, by means of separation nozzlesKERNFORSCHUNG GMBH GES FUER·Filed 1974·Granted Nov 2, 1976·18 cites·27 claims
- 4047US6944941B2Method for assembling cassette-loaded microcomponentsINST MIKROTECHNIK MAINZ GMBH·Filed 2001·Granted Sep 20, 2005·2 cites·17 claims
- 4145US5376506AMethod to produce nonlinear optical microcomponentsIMM INST FUR MIKROTECHNIK GMBH·Filed 1993·Granted Dec 27, 1994·15 cites·16 claims
- 4243US2008135397A1Device, Method And Use For Continuously Carrying Out Photochemical Process With Thin Optical Layer Thicknesses, Narrow Residence Time Distribution And High ThroughputsEHRFELD MIKROTECHNIK BTS GMBH·Filed 2006·Application pending·0 cites
- 4343US2007009403A1Microphotoreactor for carrying out photochemical reactionsEHRFELD MIKROTECHNIK BTS GMBH·Filed 2004·Application pending·0 cites
- 4442US7396684B2Method for quantitatively and/or qualitatively detecting layer thicknesses, a microreaction vessel and titre plateINST MIKROTECHNIK MAINZ GMBH·Filed 2001·Granted Jul 8, 2008·4 cites·28 claims
- 4542US4551157AMethod for separating light additive gas in separating nozzle cascadesKERNFORSCHUNGSZ KARLSRUHE·Filed 1983·Granted Nov 5, 1985·9 cites·10 claims
- 4640US2005233040A1Method and device for homogenizing emulsionsEHRFELD WOLFGANG·Filed 2003·Application pending·0 cites
- 4738US2004125689A1Method and statistical micromixer for mixing at least two liquidsFiled 2002·Application pending·0 cites
- 4837US2003039169A1MicromixerFiled 2000·Application pending·0 cites
- 4934US6256429B1Matrix switchINST MIKROTECHNIK MAINZ GMBH·Filed 1998·Granted Jul 3, 2001·6 cites·10 claims
- 5033US4246007ASeparating gaseous or vaporous substances according to the separating nozzle principleKERNFORSCHUNGSZ KARLSRUHE·Filed 1978·Granted Jan 20, 1981·4 cites·10 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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