Inventor · disambiguated record
Peter Hofer
Also filed as: HOEFER PETER · HOFER PETER · HOFER PETER H · HÖFER PETER
64 granted patents·3 pending applications·2,108 citations·filing 1973–2020
99Inventor score
Files withEURO CELTIQUE SA29CIBA GEIGY CORP6PURDUE FREDERICK CO5LIBBEY OWENS FORD CO4DELOREAN CORP JOHN Z3
Top patents by PatentIndex Score
67 records- 0198US4042746AComposite material and method of formingDELOREAN CORP JOHN Z·Filed 1975·Granted Aug 16, 1977·128 cites·4 claims
- 0297US5114628AMethod for the manufacture of contact lensesCIBA GEIGY CORP·Filed 1991·Granted May 19, 1992·293 cites·10 claims
- 0395US4214014AMethod for surface treatment of contact lensesTITMUS EUROCON KONTAKTLINSEN K·Filed 1978·Granted Jul 22, 1980·175 cites·9 claims
- 0492US5252056AContact lens casting mouldCIBA GEIGY CORP·Filed 1992·Granted Oct 12, 1993·86 cites·11 claims
- 0590US5166710AContact lens and process for the manufacture thereofCIBA GEIGY CORP·Filed 1991·Granted Nov 24, 1992·108 cites·17 claims
- 0689US4813955AMultifocal, especially bifocal, intraocular, artificial ophthalmic lensACHATZ MANFRED·Filed 1984·Granted Mar 21, 1989·284 cites·17 claims
- 0787US4732553ASeal construction for a mold structure for encapsulating glass with a gasketLIBBEY OWENS FORD CO·Filed 1987·Granted Mar 22, 1988·53 cites·24 claims
- 0887US4476311AAnalgesic 4-carboxy-pyrrolidin-2-one compoundPURDUE FREDERICK CO·Filed 1982·Granted Oct 9, 1984·18 cites·1 claims
- 0986US5200121AMethod for the manufacture of contact lensesCIBA GEIGY CORP·Filed 1991·Granted Apr 6, 1993·66 cites·20 claims
- 1084US4665794AArmor and a method of manufacturing itFISCHER AG GEORG·Filed 1983·Granted May 19, 1987·65 cites·29 claims
- 1181US4710503A6-thioxanthine derivativesEURO CELTIQUE SA·Filed 1985·Granted Dec 1, 1987·23 cites·7 claims
- 1280US6413975B1Purine derivatives having phosphodiesterase iv inhibition activityEURO CELTIQUE SA·Filed 2000·Granted Jul 2, 2002·17 cites·11 claims
- 1380US5864037AMethods for the synthesis of chemical compounds having PDE-IV inhibitory activityEURO CELTIQUE SA·Filed 1996·Granted Jan 26, 1999·46 cites·18 claims
- 1480US4925847A6-thioxanthinesEURO CELTIQUE SA·Filed 1987·Granted May 15, 1990·23 cites·11 claims
- 1579US6319928B1Purine derivatives having phosphodiesterase IV inhibition activityEURO CELTIQUE SA·Filed 1999·Granted Nov 20, 2001·27 cites·50 claims
- 1679US6228859B1Purine derivatives having phosphodiesterase IV inhibition activityEURO CELTIQUE SA·Filed 1998·Granted May 8, 2001·32 cites·35 claims
- 1778US4898729ATreatment of hypertension, compounds and compositions for antihypertension and diuresisEURO CELTIQUE SA·Filed 1983·Granted Feb 6, 1990·17 cites·30 claims
- 1878US4820709A6-thioxanthine derivativesEURO CELTIQUE SA·Filed 1987·Granted Apr 11, 1989·19 cites·13 claims
- 1978US4380138AAbrasive liquid jet cuttingINT HARVESTER CO·Filed 1981·Granted Apr 19, 1983·28 cites·31 claims
- 2077US4073577AContact lenses of hydrophilic polymers made by photopolymerizationTITMUS EUROCON KONTAKTLINSEN K·Filed 1976·Granted Feb 14, 1978·29 cites·11 claims
- 2177US4034137AComposite sheet structure and method for manufacturing sameDELOREAN CORP JOHN Z·Filed 1976·Granted Jul 5, 1977·44 cites·26 claims
- 2275US5665737ASubstituted benzoxazolesEURO CELTIQUE SA·Filed 1994·Granted Sep 9, 1997·30 cites·24 claims
- 2374US4504526AApparatus and method for producing a laminar flow of constant velocity fluid along a substrateLIBBEY OWENS FORD CO·Filed 1983·Granted Mar 12, 1985·27 cites·27 claims
- 2473US6314199B1Process and apparatus for examining optical components, especially optical components for the eye and device for illuminating clear-transparentNOVARTIS AG·Filed 1994·Granted Nov 6, 2001·49 cites·7 claims
- 2573US5744473APDE IV inhibitors: "bis-compounds"EURO CELTIQUE SA·Filed 1996·Granted Apr 28, 1998·16 cites·17 claims
- 2673US4443616AProduction of 3-pyrrolin-2-onesPURDUE FREDERICK CO·Filed 1981·Granted Apr 17, 1984·8 cites·3 claims
- 2771US6211367B1Methods of Synthesing Purine Compounds Having PDE Iv Inhibitory ActivityEURO CELTIQUE SA·Filed 1998·Granted Apr 3, 2001·23 cites·12 claims
- 2871US4463148AContact lens and compositionsTITMUS EUROCON KONTAKTLINSEN·Filed 1983·Granted Jul 31, 1984·21 cites·6 claims
- 2969US6066641AAryl thioxanthinesEURO CELTIQUE SA·Filed 1995·Granted May 23, 2000·21 cites·13 claims
- 3066US4922853AStripe coating on glass by chemical vapor depositionLIBBEY OWENS FORD CO·Filed 1989·Granted May 8, 1990·23 cites·6 claims
- 3165US5010081A6-thioxanthinesEURO CELTIQUE SA·Filed 1989·Granted Apr 23, 1991·10 cites·13 claims
- 3265US4719106AIodophor composition with immediate and long action microbicidal actionEURO CELTIQUE SA·Filed 1986·Granted Jan 12, 1988·9 cites·8 claims
- 3364US6040447APurine compounds having PDE IV inhibitory activity and methods of synthesisEURO CELTIQUE SA·Filed 1998·Granted Mar 21, 2000·13 cites·12 claims
- 3464US5455641ASoft contact lens having toric rear face and rotationally symmetrical front faceCIBA GEIGY CORP·Filed 1994·Granted Oct 3, 1995·38 cites·9 claims
- 3562US6057445APurine compounds having PDE IV inhibitory activity and methods of synthesisEURO CELTIQUE SA·Filed 1998·Granted May 2, 2000·12 cites·19 claims
- 3662US6037470APurine compounds having PDE IV inhibitory activity and methods of synthesisEURO CELTIQUE SA·Filed 1998·Granted Mar 14, 2000·12 cites·15 claims
- 3762US5939422AChemical compounds having PDE-IV inhibition activityEURO CELTIQUE SA·Filed 1994·Granted Aug 17, 1999·21 cites·50 claims
- 3861US6025361ATrisubstituted thioxanthinesEURO CELTIQUE SA·Filed 1995·Granted Feb 15, 2000·16 cites·10 claims
- 3960US6075016A6,5-fused aromatic ring systems having enhanced phosphodiesterase IV inhibitory activityEURO CELTIQUE SA·Filed 1997·Granted Jun 13, 2000·7 cites·8 claims
- 4060US5026250AApparatus for singularizing stacked portions of books and the likeGRAPHA HOLDING AG·Filed 1990·Granted Jun 25, 1991·19 cites·19 claims
- 4159US6310205B1Hypoxathine compoundsEURO CELTIQUE SA·Filed 1999·Granted Oct 30, 2001·13 cites·13 claims
- 4258US6294541B1Purine derivatives having phosphodiesterase IV inhibition activityEURO CELTIQUE SA·Filed 1999·Granted Sep 25, 2001·15 cites·43 claims
- 4357US11079457B2Microwave resonator for an EPR probehead providing Q-, M- and D-variation using a variable fluid volumeBRUKER BIOSPIN GMBH·Filed 2020·Granted Aug 3, 2021·0 cites·15 claims
- 4457US7586305B2Method for determining the absolute number of electron spins in a sample of extended sizeBRUKER BIOSPIN GMBH·Filed 2008·Granted Sep 8, 2009·3 cites·8 claims
- 4557US5439642AMethod of surface-cleaning and/or sterilizing optical components, especially contact lensesCIBA GEIGY CORP·Filed 1994·Granted Aug 8, 1995·41 cites·13 claims
- 4653US6372770B1BenzoxazolesEURO CELTIQUE SA·Filed 1998·Granted Apr 16, 2002·10 cites·46 claims
- 4752US6440979B1Aryl isoguaninesEURO CELTIQUE SA·Filed 2000·Granted Aug 27, 2002·0 cites·16 claims
- 4852US6268373B1Trisubstituted thioxanthinesEURO CELTIQUE SA·Filed 1999·Granted Jul 31, 2001·4 cites·13 claims
- 4952US2011251383A1Process For Making Polyol Esters With Improved Colour And Odour QualityCOGNIS IP MAN GMBH·Filed 2009·Application pending·0 cites
- 5051US8658130B2Agricultural compositionsMAINX HANS-GEORG·Filed 2010·Granted Feb 25, 2014·0 cites·11 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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