Inventor · disambiguated record
Helmut Ritter
Also filed as: HEMMERICH HEINZ-PETER · RITTER HELMUT
55 granted patents·21 pending applications·973 citations·filing 1974–2024
98Inventor score
Top patents by PatentIndex Score
76 records- 0198US5438082APolymer electrolyte membrane, and process for the production thereofHOECHST AG·Filed 1993·Granted Aug 1, 1995·199 cites·11 claims
- 0297US8729207B2Types of polyester-modified organopolysiloxanesHARTUNG CHRISTIAN·Filed 2011·Granted May 20, 2014·61 cites·13 claims
- 0397US5005287AProcess for making a hydrophilic coating on a formed part and safety razor made using this processWILKINSON SWORD GMBH·Filed 1988·Granted Apr 9, 1991·108 cites·15 claims
- 0495US7585983B2Alkylenedioxythiophenes and poly(alkylenedioxythiophenes) containing mesogenic groupsSTARCK H C GMBH·Filed 2004·Granted Sep 8, 2009·59 cites·19 claims
- 0595US5561202APolymer electrolyte membrane, and process for the production thereofHOECHST AG·Filed 1995·Granted Oct 1, 1996·106 cites·11 claims
- 0692US5741408APolymer electrolyte membrane for use in fuel cells and electrolysis cellsHOECHST AG·Filed 1995·Granted Apr 21, 1998·80 cites·4 claims
- 0791US7759454B2Process for preparing amides based on polyetheramines and (meth)acrylic acidCLARIANT PRODUKTE DEUTSCHLAND·Filed 2006·Granted Jul 20, 2010·11 cites·8 claims
- 0890US4235768AProduction of readily dispersible titanium dioxide pigmentsBAYER AG·Filed 1979·Granted Nov 25, 1980·36 cites·4 claims
- 0988US6214488B1Polymer electrolyte membrane and process for the production thereofHOECHST AG·Filed 1997·Granted Apr 10, 2001·55 cites·8 claims
- 1087US9877898B2Dental materials based on low-odour thiolsIVOCLAR VIVADENT AG·Filed 2015·Granted Jan 30, 2018·4 cites·19 claims
- 1186US10610462B2Aqueous dental glass ionomer compositionDENTSPLY SIRONA INC·Filed 2017·Granted Apr 7, 2020·3 cites·15 claims
- 1286US9999576B2Dental compositionDENTSPLY DETREY GMBH·Filed 2017·Granted Jun 19, 2018·3 cites·24 claims
- 1385US9682019B2Dental compositionKLEE JOACHIM E·Filed 2010·Granted Jun 20, 2017·5 cites·18 claims
- 1484US9993395B2Polymer for a glass ionomer cementKLEE JOACHIM E·Filed 2011·Granted Jun 12, 2018·5 cites·13 claims
- 1583US6805816B1Method of producing π-conjugated polymersBAYER AG·Filed 2000·Granted Oct 19, 2004·22 cites·5 claims
- 1682US8466212B2Process for preparing dental materials having low polymerization shrinkageMOSZNER NORBERT·Filed 2010·Granted Jun 18, 2013·3 cites·16 claims
- 1781US5146660ADevice for air-intermingling multifilament yarnsHEBERLEIN & CO AG·Filed 1991·Granted Sep 15, 1992·31 cites·6 claims
- 1880US10512594B2Dental compositionDENTSPLY SIRONA INC·Filed 2016·Granted Dec 24, 2019·2 cites·14 claims
- 1980US8329842B2Ophthalmological composition and use thereofRITTER HELMUT·Filed 2008·Granted Dec 11, 2012·9 cites·27 claims
- 2080US6031015ADental materials based on liquid crystalline monomersIVOCLAR AG·Filed 1996·Granted Feb 29, 2000·60 cites·14 claims
- 2179US8101785B2Method for producing fatty acid alkanol amidesKRULL MATTHIAS·Filed 2007·Granted Jan 24, 2012·3 cites·17 claims
- 2279US8067635B2Method for producing tertiary amides of alkylphenyl carboxylic acidsKRULL MATTHIAS·Filed 2007·Granted Nov 29, 2011·3 cites·15 claims
- 2379US8067612B2Method for producing bisbenzoxazolesKRULL MATTHIAS·Filed 2007·Granted Nov 29, 2011·3 cites·16 claims
- 2475US5010631AAir nozzle for the interlacing of multifilament yarnsHEBERLEIN & CO AG·Filed 1990·Granted Apr 30, 1991·22 cites·9 claims
- 2574US9834636B2Shear-resistant pressure-sensitive adhesive with high tackTESA SE·Filed 2014·Granted Dec 5, 2017·1 cites·17 claims
- 2671US6800709B2Method of preparing polymer particles having narrow particle size distributionAGFA GEVAERT NV·Filed 2002·Granted Oct 5, 2004·13 cites·16 claims
- 2771US2024159923A1Plastic scintillator based on an organic polyaddition productTARGET SYSTEMELEKTRONIK GMBH & CO KG·Filed 2024·Application pending·0 cites
- 2867US11914085B2Plastic scintillator based on an organic polyaddition productTARGET SYSTEMELEKTRONIK GMBH & CO KG·Filed 2018·Granted Feb 27, 2024·1 cites·15 claims
- 2967US3991545APneumatic auxiliary deviceHEBERLEIN MASCHF AG·Filed 1975·Granted Nov 16, 1976·13 cites·5 claims
- 3064US2008058443A1Dental materials having low polymerization shrinkageMOSZNER NORBERT·Filed 2007·Application pending·0 cites
- 3161US10123948B2Dental compositionDENTSPLY INT INC·Filed 2016·Granted Nov 13, 2018·0 cites·11 claims
- 3261US7214421B2Optical display elements based on aqueous polymer dispersionsBASF AG·Filed 2003·Granted May 8, 2007·10 cites·45 claims
- 3359US10449125B2Polymer for a glass ionomer cementDENTSPLY SIRONA INC·Filed 2018·Granted Oct 22, 2019·0 cites·13 claims
- 3459US2015004112A1Siloxane polymers with a central polysiloxane polymer block with organofunctional radicals each having at least two bivalent groups selected from urea and/or carbamate groups and at least one uv/vis chromophore as radicalEVONIK INDUSTRIES AG·Filed 2014·Application pending·0 cites
- 3558US2015238390A1Dental compositionDENTSPLY INT INC·Filed 2015·Application pending·0 cites
- 3655US2012238662A1Dental compositionKLEE JOACHIM E·Filed 2010·Application pending·0 cites
- 3754US9289360B2Dental compositionDENTSPLY INT INC·Filed 2014·Granted Mar 22, 2016·0 cites·13 claims
- 3854US8883931B2Polynitrones and use thereof for cross-linking unsaturated polymersCINAR HAKAN·Filed 2008·Granted Nov 11, 2014·1 cites·9 claims
- 3954US2023064702A1HIGH Tg ACRYLATE COPOLYMERS WITH NITROGEN-CONTAINING AROMATIC HETEROCYCLIC GROUPTESA SE·Filed 2021·Application pending·0 cites
- 4053US12396929B2Dental compositionDENTSPLY SIRONA INC·Filed 2020·Granted Aug 26, 2025·0 cites·13 claims
- 4152US2015004113A1Siloxane polymers with a central polysiloxane polymer block with terminal organofunctional radicals comprising urea and/or carbamate groups and amino acid radicalsEVONIK INDUSTRIES AG·Filed 2014·Application pending·0 cites
- 4251US9039870B2Method for producing alkaline (meth)acrylamidesKRULL MATTHIAS·Filed 2007·Granted May 26, 2015·0 cites·19 claims
- 4351US2011046252A1Reaction resin based on an unsaturated polyester, vinyl compounds and hydrocarbon nanotubes that can be cured radicallyBAHNMUELLER STEFAN·Filed 2009·Application pending·0 cites
- 4450US4010883AThread delivery device for textile machinesHERBERLEIN & CO AG·Filed 1975·Granted Mar 8, 1977·9 cites·4 claims
- 4550US2011028667A1Copolymer and Ophthalmological CompositionRITTER HELMUT·Filed 2008·Application pending·0 cites
- 4649US12268763B2Curable dental two-pack compositionDENTSPLY SIRONA INC·Filed 2019·Granted Apr 8, 2025·0 cites·15 claims
- 4748US10849831B2Dental compositionDENTSPLY SIRONA INC·Filed 2019·Granted Dec 1, 2020·0 cites·14 claims
- 4847US10316117B2Process for producing short-chain end-group-functionalized macromolecules based on styreneTESA SE·Filed 2014·Granted Jun 11, 2019·0 cites·19 claims
- 4947US2020046612A1Dental compositionDENTSPLY DETREY GMBH·Filed 2018·Application pending·0 cites
- 5046US6609278B1Yarn processing device and use thereofHEBERLEIN FIBERTECHNOLOGY INC·Filed 1999·Granted Aug 26, 2003·6 cites·32 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →