Inventor
BAUMANN DIETER
CH78 patents
⚠️ This page may combine multiple inventors who share the name “BAUMANN DIETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HENGST WALTER GMBH & CO KG
13 patentsUS6685829B1Feb 3, 2004
Fluid filter with a discharge dome that is fixed to the housing
HENGST WALTER GMBH & CO KG107 citations98
US5922196AJul 13, 1999
Liquid filter with connection flange
HENGST WALTER GMBH & CO KG109 citations98
US5538626AJul 23, 1996
Liquid filter
HENGST WALTER GMBH & CO KG108 citations98
US6569326B1May 27, 2003
Fluid filter with a central component which can be assembled
HENGST WALTER GMBH & CO KG70 citations96
US5176483AJan 5, 1993
Detachment lock for a bolt connection
HENGST WALTER GMBH & CO KG161 citations96
US4948503AAug 14, 1990
Oil filter cover in combination with an oil filter cartridge
HENGST WALTER GMBH & CO KG50 citations95
US4906365AMar 6, 1990
Filter for cleaning lubricating oil
HENGST WALTER GMBH & CO KG106 citations95
US6016923AJan 25, 2000
Filter cartridge for a filter for filtering liquid or gaseous media
HENGST WALTER GMBH & CO KG56 citations93
US5660729AAug 26, 1997
Filter cartridge for a filter for filtering liquid or gaseous media
HENGST WALTER GMBH & CO KG49 citations93
US5603829AFeb 18, 1997
Device for centrifugally and mechanically separating particulate contaminants from lube oil
HENGST WALTER GMBH & CO KG29 citations93
US4811719AMar 14, 1989
Fuel preheater
HENGST WALTER GMBH & CO KG14 citations74
US4793407ADec 27, 1988
Heat exchanger for two fluid media
HENGST WALTER GMBH & CO KG7 citations74
US4729427AMar 8, 1988
Heat exchanger
HENGST WALTER GMBH & CO KG8 citations74
BASF AG
11 patentsUS7112695B2Sep 26, 2006
Method for the purification of a crude acrylic acid melt
BASF AG31 citations92
US6939991B2Sep 6, 2005
Preparation of acrylic acid
BASF AG42 citations92
US5981798ANov 9, 1999
Preparation of a crystalline solid from glycine-N,N-diacetic acid derivatives with sufficiently low hygroscopicity
BASF AG35 citations92
US7323016B2Jan 29, 2008
Regulation of a wash column in a melt crystallization process
BASF AG10 citations84
US6852881B2Feb 8, 2005
Purification method for (meth)acrylic acid
BASF AG12 citations82
US7129376B2Oct 31, 2006
Method for the production of a purified melt of at least one monomer
BASF AG7 citations74
US6921837B2Jul 26, 2005
Process for the purification and preparation of acrylic acid or methacrylic acid
BASF AG6 citations74
US6700016B1Mar 2, 2004
Method of purifying and producing acrylic acid or methacrylic acid
BASF AG11 citations74
US6534680B1Mar 18, 2003
Dicarboxylic acid crystallizates
BASF AG11 citations73
US7762404B2Jul 27, 2010
Device for performing the purifying separation of crystals out of their suspension in a contaminated crystal melt
BASF AG3 citations63
US7540884B2Jun 2, 2009
Method for performing the purifying separation of crystals out their suspension in a mother liquor
BASF AG2 citations63
CIBA GEIGY CORP
9 patentsUS5366947ANov 22, 1994
Initiators for materials which can be polymerized cationically
CIBA GEIGY CORP21 citations93
US5296567AMar 22, 1994
Thermocurable compositions
CIBA GEIGY CORP33 citations92
US4321351AMar 23, 1982
Process for the production of epoxy resin castings
CIBA GEIGY CORP23 citations78
US5130406AJul 14, 1992
Initiators for materials which can be polymerized cationically
CIBA GEIGY CORP10 citations74
US5047376ASep 10, 1991
Curing combination for cationically polymerizable materials
CIBA GEIGY CORP15 citations73
US4136086AJan 23, 1979
Curable epoxide resin mixtures
CIBA GEIGY CORP15 citations73
US3976676AAug 24, 1976
Polysiloxane compounds containing hydroxyl groups
CIBA GEIGY CORP10 citations73
US4716185ADec 29, 1987
Curable mixtures based on diglycidyl compounds and metal complex compounds
CIBA GEIGY CORP11 citations69
US5552459ASep 3, 1996
Highly filled epoxy casting resin compositions
CIBA GEIGY CORP15 citations65
HENGST GMBH & CO KG
5 patentsUS7029575B1Apr 18, 2006
Filter with a valve combination component
HENGST GMBH & CO KG21 citations92
US7115153B2Oct 3, 2006
Electric separator with a rinsing cleaning system
HENGST GMBH & CO KG18 citations89
US7497887B2Mar 3, 2009
Device for separating impurities from the lubricating oil of an internal combustion engine
HENGST GMBH & CO KG9 citations84
US7713185B2May 11, 2010
Impulse centrifuge for the purification of the lubricating oil from an internal combustion engine
HENGST GMBH & CO KG16 citations81
US7959547B2Jun 14, 2011
Centrifuge for cleaning a liquid
HENGST GMBH & CO KG5 citations63
BIDEGAIN SA
3 patentsWALTER HENGST GMBH & CO ING
2 patentsWALTER HENGST GMBH & CO KG
1 patentFUJITSU SIEMENS COMPUTERS GMBH
1 patentHUEBERS VERFAHRENSTECH
1 patentBAUMANN DIETER
1 patentCIBA GEIGY AG
1 patentHENGST SE & CO KG
1 patentBASF SE
1 patentShowing the top 50 of 78 patents by PatentIndex Score.