Inventor · disambiguated record
Dietrich Speer
Also filed as: SPEER DIETRICH
26 granted patents·1 pending application·172 citations·filing 1989–2022
96Inventor score
Top patents by PatentIndex Score
27 records- 0182US8946102B2Copper red frits and pigments comprising silica and at least one of cupric oxide and cuprous oxideAXTELL III ENOS A·Filed 2010·Granted Feb 3, 2015·5 cites·15 claims
- 0281US11458755B2Printing process for transferring a printing substanceFERRO GMBH·Filed 2019·Granted Oct 4, 2022·2 cites·20 claims
- 0370US5008223AGrayish-black encapsulated pigments and method of their productionDEGUSSA·Filed 1990·Granted Apr 16, 1991·23 cites·8 claims
- 0469US9334189B2Copper red frits and pigments comprising silica and at least one of cupric oxide and cuprous oxideAXTELL III ENOS A·Filed 2014·Granted May 10, 2016·2 cites·7 claims
- 0568US5439660AOxonitrides of the formula LnTaOn2 with enhanced brightness and a process for their production and useCERDEC AG·Filed 1994·Granted Aug 8, 1995·15 cites·26 claims
- 0666US9565772B2Method of forming conductive traceFERRO CORP·Filed 2014·Granted Feb 7, 2017·1 cites·19 claims
- 0764US5194089ACoated spinel color pigments, process for their production and useDEGUSSA·Filed 1991·Granted Mar 16, 1993·15 cites·33 claims
- 0863US10047004B2Method of forming durable glass enamelFERRO CORP·Filed 2014·Granted Aug 14, 2018·1 cites·15 claims
- 0962US5254162ABrown spinel pigments based on zinc chromite, method of their production and useDEGUSSA·Filed 1992·Granted Oct 19, 1993·13 cites·14 claims
- 1058US5376349AMethod of producing tantalum (V) nitrideDEGUSSA·Filed 1993·Granted Dec 27, 1994·8 cites·14 claims
- 1154US5569322AProcess for using tantalum (V) nitride as a pigment and the colored products produced therebyDEGUSSA·Filed 1994·Granted Oct 29, 1996·7 cites·13 claims
- 1254US2024158291A1Method for producing a color coatingFERRO GMBH·Filed 2022·Application pending·0 cites
- 1352US5043016ABrown to gray inclusion pigments and method of their productionDEGUSSA·Filed 1990·Granted Aug 27, 1991·10 cites·28 claims
- 1450US5252125AInclusion pigments of zirconium silicate formed with spinel inclusions, a process for the preparation and use thereofDEGUSSA·Filed 1992·Granted Oct 12, 1993·8 cites·6 claims
- 1547US6077797AGreen decoration coloring substance for high-temperature firing, process for its production and use thereofCERDEC AG·Filed 1998·Granted Jun 20, 2000·14 cites·20 claims
- 1647US5693102AOxonitrides of the formula LnTaON2 with enhanced brightness and a process for their useCERDEC AG·Filed 1995·Granted Dec 2, 1997·9 cites·30 claims
- 1746US5021092AMethod for the preparation of gray-green pigments based on zirconium silicate/vanadium compounds and sodium compoundDEGUSSA·Filed 1989·Granted Jun 4, 1991·5 cites·11 claims
- 1844US5252126ANeutral blue zirconium-vanadium pigmentsDEGUSSA·Filed 1993·Granted Oct 12, 1993·5 cites·28 claims
- 1944US5205866AMethod for making grey-black inclusion pigmentsDEGUSSA·Filed 1992·Granted Apr 27, 1993·7 cites·18 claims
- 2039US5019169AGray-black encapsulated pigments and method for their preparationDEGUSSA·Filed 1990·Granted May 28, 1991·3 cites·7 claims
- 2137US5330571AInclusion pigments of zirconium silicate with included chromic oxide, a process for the preparation and use thereofDEGUSSA·Filed 1992·Granted Jul 19, 1994·3 cites·11 claims
- 2233US6063446AProcess for the production of decorated tableware with increased resistance to scratches caused by cutlery and coloring substance thereforCERDEC AG·Filed 1998·Granted May 16, 2000·4 cites·6 claims
- 2333US5035746ABiege-brown encapsulated pigments and method of their productionDEGUSSA·Filed 1990·Granted Jul 30, 1991·2 cites·13 claims
- 2432US5389402AMethod of producing decorations which are color-stable in a porcelain firing and a pigment composition suitable thereforDEGUSSA·Filed 1993·Granted Feb 14, 1995·7 cites·31 claims
- 2528US5000865AMethod for the production of alkaline-earth ferrites and lead ferrites for memory coresDEGUSSA·Filed 1989·Granted Mar 19, 1991·0 cites·11 claims
- 2627US6174359B1Ceramic decoration coloring substances with increased color saturation comprising zirconium pigments, process for their production and their useCERDEC AG·Filed 1998·Granted Jan 16, 2001·1 cites·18 claims
- 2727US6103312AProcess for the production of decorated tableware with increased resistance to scratches caused by cutleryCERDEC AG·Filed 1998·Granted Aug 15, 2000·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →