Inventor

Dieter Baumann

Inventor

Greven, DE

Overview

78→

Patents

1976–2019

Patent span

Chemistry

Primary field (CPC C)

Patents· 78 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Dprimary

B01DSeparation17%

C07CAcyclic or carbocyclic compounds12%

F01MLubricating of machines or engines in general10%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%

B04BCentrifuges5%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

C07DHeterocyclic compounds3%

C01BNon-metallic elements3%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%

PatentTitleYear

10,456,719Fluid filter with replaceable filter insert2019 9,908,842'Method for obtaining crystalline L-alanine'2018 9,427,678'Base for a mass transfer column'2016 9,393,506'Fluid filter with replaceable filter insert'2016 8,808,430'Process for purifying N2O'2014 8,714,132'Separator for separating oil mist from the crankcase ventilation gas of an internal combustion engine, and functional module and internal combustion engine comprising a separator'2014 8,449,655'Process for isolating N2O'2013 8,404,901'Process for purifying dinitrogen monoxide'2013 8,043,201'Centrifuges for a lubricant oil in an internal combustion engine with a modular housing system having various bases, lids and rotors'2011 7,959,547'Centrifuge for cleaning a liquid'2011 7,947,845'Process for purifying removal of acrylic acid, methacrylic acid N-vinylpyrrolidone or P-xylene crystals from their suspension in mother liquor'2011 7,867,158'Device for separating impurities from the lubricating oil of an internal combustion engine'2011 7,776,109'Method for producing acylphosphine oxide solids'2010 7,762,404'Device for performing the purifying separation of crystals out of their suspension in a contaminated crystal melt'2010 7,754,172'Method for isolating N2O'2010 7,732,624'Process for operating a continuous removal of a target product X in the form of fine crystals'2010 7,713,185'Impulse centrifuge for the purification of the lubricating oil from an internal combustion engine'2010 7,692,045'Method for purifying and concentrating dinitrogen monoxide'2010 7,540,884'Method for performing the purifying separation of crystals out their suspension in a mother liquor'2009 7,497,887'Device for separating impurities from the lubricating oil of an internal combustion engine'2009 7,396,325'Centrifuge rotor'2008 7,323,016'Regulation of a wash column in a melt crystallization process'2008 7,319,166'Method of purifying a raw melt of at least one monomer by crystallization'2008 7,307,189'Method for discontinuous purification of crude acrylic acid by means of crystallization'2007 7,129,376'Method for the production of a purified melt of at least one monomer'2006 7,115,153'Electric separator with a rinsing cleaning system'2006 7,112,695'Method for the purification of a crude acrylic acid melt'2006 7,029,575'Filter with a valve combination component'2006 6,939,991'Preparation of acrylic acid'2005 6,925,828'Device for cooling and electrical appliance'2005 6,921,837'Process for the purification and preparation of acrylic acid or methacrylic acid'2005 6,901,851'Rotating mechanism for conveyor systems'2005 6,884,348'Module of units for an internal combustion engine'2005 6,852,881'Purification method for (meth)acrylic acid'2005 6,700,016'Method of purifying and producing acrylic acid or methacrylic acid'2004 6,685,829'Fluid filter with a discharge dome that is fixed to the housing'2004 6,683,179'Preparation of caprolactam'2004 6,677,449'Preparation of caprolactam'2004 6,569,326'Fluid filter with a central component which can be assembled'2003 6,534,680'Dicarboxylic acid crystallizates'2003 6,362,347'Method for purifying phthalides'2002 6,317,309'Method and device for the controlled driving of a proportionally operated magnetic valve'2001 6,315,884'Method for producing phthalides'2001 6,242,639'Preparation of neopentyl glycol hydroxyprivalate granules'2001 6,113,657'Purification of caustic soda'2000 6,086,763'Disk, in particular the front disk of a filter element'2000 6,016,923'Filter cartridge for a filter for filtering liquid or gaseous media'2000 5,981,798'Preparation of a crystalline solid from glycine-N,N-diacetic acid derivatives with sufficiently low hygroscopicity'1999 5,936,115'Production of clumping-free neopentyl glycol hydroxpivalate granules'1999 5,922,196'Liquid filter with connection flange'1999 5,753,116'Coolant filter'1998 5,688,396'Oil filter including an angled mounting surface'1997 5,670,203'Process for potting components in an impregnating compound'1997 5,660,729'Filter cartridge for a filter for filtering liquid or gaseous media'1997 5,603,829'Device for centrifugally and mechanically separating particulate contaminants from lube oil'1997 5,552,459'Highly filled epoxy casting resin compositions'1996 5,538,626'Liquid filter'1996 5,366,947'Initiators for materials which can be polymerized cationically'1994 5,296,567'Thermocurable compositions'1994 5,179,179'Initiators for materials which can be polymerized cationically'1993 5,176,483'Detachment lock for a bolt connection'1993 5,130,406'Initiators for materials which can be polymerized cationically'1992 5,047,376'Curing combination for cationically polymerizable materials'1991 4,948,503'Oil filter cover in combination with an oil filter cartridge'1990 4,906,365'Filter for cleaning lubricating oil'1990 4,811,719'Fuel preheater'1989 4,793,407'Heat exchanger for two fluid media'1988 4,729,427'Heat exchanger'1988 4,716,185'Curable mixtures based on diglycidyl compounds and metal complex compounds'1987 4,395,826'Apparatus for determining a foot size'1983 D0266552'Footgauge'1982 4,321,351'Process for the production of epoxy resin castings'1982 4,294,014'Apparatus for determining the shoe size corresponding to a foot'1981 4,136,086'Curable epoxide resin mixtures'1979 4,038,338'New polyepoxide-polysiloxane compounds'1977 3,976,676'Polysiloxane compounds containing hydroxyl groups'1976 3,971,813'Glycidyl compounds containing phosphorus'1976 3,948,916'Diglycidyl compounds of N-heterocyclic compounds'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1996Patents assigned to CIBA GEIGY CORP (12)· patent assignee history

1988–2004Patents assigned to HENGST WALTER GMBH & CO KG (13)· patent assignee history

1988–2011Based in Greven-Gimbte, DE· patent location history

1996–2019Based in Greven, DE· patent location history

1999–2013Patents assigned to BASF AG (24)· patent assignee history

1999–2010Based in Frankenthal, DE· patent location history

2001–2010Based in Walldorf, DE· patent location history

2005–2014Patents assigned to HENGST GMBH & CO KG (10)· patent assignee history

2010–2018Patents assigned to BASF SE (6)· patent assignee history

2010–2018Based in Speyer, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	24	1999–2013
HENGST WALTER GMBH & CO KG	13	1988–2004
CIBA GEIGY CORP	12	1976–1996
HENGST GMBH & CO KG	10	2005–2014
BASF SE	6	2010–2018

Locations

Location	Patents	Span
Greven, DE	18	1996–2019
Walldorf, DE	13	2001–2010
Greven-Gimbte, DE	10	1988–2011
Frankenthal, DE	9	1999–2010
Speyer, DE	8	2010–2018