Inventor · disambiguated record
Dieter Baumann
Also filed as: BAUMANN DIETER · BAUMANN DIETER H
78 granted patents·3 pending applications·1,729 citations·filing 1973–2023
99Inventor score
Top patents by PatentIndex Score
81 records- 0196US6685829B1Fluid filter with a discharge dome that is fixed to the housingHENGST WALTER GMBH & CO KG·Filed 2000·Granted Feb 3, 2004·107 cites·9 claims
- 0295US6939991B2Preparation of acrylic acidBASF AG·Filed 2003·Granted Sep 6, 2005·42 cites·20 claims
- 0395US5538626ALiquid filterHENGST WALTER GMBH & CO KG·Filed 1994·Granted Jul 23, 1996·108 cites·19 claims
- 0495US5176483ADetachment lock for a bolt connectionHENGST WALTER GMBH & CO KG·Filed 1991·Granted Jan 5, 1993·161 cites·11 claims
- 0594US4906365AFilter for cleaning lubricating oilHENGST WALTER GMBH & CO KG·Filed 1988·Granted Mar 6, 1990·106 cites·8 claims
- 0693US5922196ALiquid filter with connection flangeHENGST WALTER GMBH & CO KG·Filed 1996·Granted Jul 13, 1999·109 cites·10 claims
- 0792US7112695B2Method for the purification of a crude acrylic acid meltBASF AG·Filed 2001·Granted Sep 26, 2006·31 cites·47 claims
- 0892US6569326B1Fluid filter with a central component which can be assembledHENGST WALTER GMBH & CO KG·Filed 2000·Granted May 27, 2003·70 cites·8 claims
- 0992US5753116ACoolant filterWALTER HENGST GMBH & CO ING·Filed 1996·Granted May 19, 1998·113 cites·20 claims
- 1091US4294014AApparatus for determining the shoe size corresponding to a footBIDEGAIN SA·Filed 1980·Granted Oct 13, 1981·52 cites·38 claims
- 1189US6086763ADisk, in particular the front disk of a filter elementWALTER HENGST GMBH & CO ING·Filed 1998·Granted Jul 11, 2000·85 cites·31 claims
- 1288US7713185B2Impulse centrifuge for the purification of the lubricating oil from an internal combustion engineHENGST GMBH & CO KG·Filed 2005·Granted May 11, 2010·16 cites·76 claims
- 1386US4948503AOil filter cover in combination with an oil filter cartridgeHENGST WALTER GMBH & CO KG·Filed 1988·Granted Aug 14, 1990·50 cites·2 claims
- 1484US6700016B1Method of purifying and producing acrylic acid or methacrylic acidBASF AG·Filed 2000·Granted Mar 2, 2004·11 cites·21 claims
- 1581US10456719B2Fluid filter with replaceable filter insertHENGST SE & CO KG·Filed 2015·Granted Oct 29, 2019·2 cites·17 claims
- 1681US6016923AFilter cartridge for a filter for filtering liquid or gaseous mediaHENGST WALTER GMBH & CO KG·Filed 1996·Granted Jan 25, 2000·56 cites·21 claims
- 1780US6852881B2Purification method for (meth)acrylic acidBASF AG·Filed 2001·Granted Feb 8, 2005·12 cites·21 claims
- 1878US5366947AInitiators for materials which can be polymerized cationicallyCIBA GEIGY CORP·Filed 1992·Granted Nov 22, 1994·21 cites·3 claims
- 1977US7115153B2Electric separator with a rinsing cleaning systemHENGST GMBH & CO KG·Filed 2005·Granted Oct 3, 2006·18 cites·21 claims
- 2077US6921837B2Process for the purification and preparation of acrylic acid or methacrylic acidBASF AG·Filed 2003·Granted Jul 26, 2005·6 cites·19 claims
- 2177US5981798APreparation of a crystalline solid from glycine-N,N-diacetic acid derivatives with sufficiently low hygroscopicityBASF AG·Filed 1997·Granted Nov 9, 1999·35 cites·7 claims
- 2277US5660729AFilter cartridge for a filter for filtering liquid or gaseous mediaHENGST WALTER GMBH & CO KG·Filed 1996·Granted Aug 26, 1997·49 cites·24 claims
- 2376US7129376B2Method for the production of a purified melt of at least one monomerBASF AG·Filed 2002·Granted Oct 31, 2006·7 cites·12 claims
- 2475US7029575B1Filter with a valve combination componentHENGST GMBH & CO KG·Filed 2000·Granted Apr 18, 2006·21 cites·5 claims
- 2575US6925828B1Device for cooling and electrical applianceFUJITSU SIEMENS COMPUTERS GMBH·Filed 2000·Granted Aug 9, 2005·26 cites·7 claims
- 2675US5688396AOil filter including an angled mounting surfaceWALTER HENGST GMBH & CO KG·Filed 1995·Granted Nov 18, 1997·48 cites·20 claims
- 2774US9427678B2Base for a mass transfer columnBASF SE·Filed 2012·Granted Aug 30, 2016·3 cites·13 claims
- 2873US7959547B2Centrifuge for cleaning a liquidHENGST GMBH & CO KG·Filed 2006·Granted Jun 14, 2011·5 cites·17 claims
- 2973US7396325B2Centrifuge rotorHENGST GMBH & CO KG·Filed 2006·Granted Jul 8, 2008·5 cites·21 claims
- 3072US9393506B2Fluid filter with replaceable filter insertBAUMANN DIETER·Filed 2011·Granted Jul 19, 2016·2 cites·15 claims
- 3172US8714132B2Separator for separating oil mist from the crankcase ventilation gas of an internal combustion engine, and functional module and internal combustion engine comprising a separatorBAUMANN DIETER·Filed 2008·Granted May 6, 2014·10 cites·29 claims
- 3271US5603829ADevice for centrifugally and mechanically separating particulate contaminants from lube oilHENGST WALTER GMBH & CO KG·Filed 1994·Granted Feb 18, 1997·29 cites·13 claims
- 3370US5296567AThermocurable compositionsCIBA GEIGY CORP·Filed 1992·Granted Mar 22, 1994·33 cites·14 claims
- 3470US3948916ADiglycidyl compounds of N-heterocyclic compoundsCIBA GEIGY AG·Filed 1973·Granted Apr 6, 1976·15 cites·7 claims
- 3568US6534680B1Dicarboxylic acid crystallizatesBASF AG·Filed 1998·Granted Mar 18, 2003·11 cites·8 claims
- 3667US6683179B2Preparation of caprolactamBASF AG·Filed 2001·Granted Jan 27, 2004·3 cites·11 claims
- 3767US6677449B2Preparation of caprolactamBASF AG·Filed 2001·Granted Jan 13, 2004·3 cites·11 claims
- 3867US4136086ACurable epoxide resin mixturesCIBA GEIGY CORP·Filed 1978·Granted Jan 23, 1979·15 cites·10 claims
- 3965US4395826AApparatus for determining a foot sizeBIDEGAIN SA·Filed 1981·Granted Aug 2, 1983·20 cites·28 claims
- 4064US7323016B2Regulation of a wash column in a melt crystallization processBASF AG·Filed 2001·Granted Jan 29, 2008·10 cites·18 claims
- 4163US7497887B2Device for separating impurities from the lubricating oil of an internal combustion engineHENGST GMBH & CO KG·Filed 2003·Granted Mar 3, 2009·9 cites·33 claims
- 4262US8043201B2Centrifuges for a lubricant oil in an internal combustion engine with a modular housing system having various bases, lids and rotorsHENGST GMBH & CO KG·Filed 2006·Granted Oct 25, 2011·1 cites·19 claims
- 4362US7692045B2Method for purifying and concentrating dinitrogen monoxideBASF AG·Filed 2005·Granted Apr 6, 2010·4 cites·22 claims
- 4462US5552459AHighly filled epoxy casting resin compositionsCIBA GEIGY CORP·Filed 1994·Granted Sep 3, 1996·15 cites·11 claims
- 4562US2025304459A1Process for preparing ammonium chlorideBASF SE·Filed 2023·Application pending·0 cites
- 4660US8808430B2Process for purifying N2ORÖΒLER-FEIGEL BEATRICE·Filed 2009·Granted Aug 19, 2014·1 cites·8 claims
- 4760US7307189B2Method for discontinuous purification of crude acrylic acid by means of crystallizationBASF AG·Filed 2001·Granted Dec 11, 2007·2 cites·7 claims
- 4859US7754172B2Method for isolating N2OBASF AG·Filed 2006·Granted Jul 13, 2010·2 cites·19 claims
- 4959US5670203AProcess for potting components in an impregnating compoundHUEBERS VERFAHRENSTECH·Filed 1993·Granted Sep 23, 1997·24 cites·16 claims
- 5059US3976676APolysiloxane compounds containing hydroxyl groupsCIBA GEIGY CORP·Filed 1975·Granted Aug 24, 1976·10 cites·4 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
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