Inventor · disambiguated record
Stefan Ritsche
Also filed as: RITSCHE STEFAN
37 granted patents·9 pending applications·1,581 citations·filing 1992–2023
98Inventor score
Files withPFEIFFER ERICH GMBH & CO KG29APTAR RADOLFZELL GMBH6RITSCHE STEFAN4ING ERICH PFEIFFER GMBH3ERICH PFEIFFER GMBH1
Top patents by PatentIndex Score
46 records- 0199US6708846B1Dispenser for flowable mediaPFEIFFER ERICH GMBH & CO KG·Filed 2000·Granted Mar 23, 2004·279 cites·15 claims
- 0294USD414261SCombined pharmaceutical discharge apparatus and lidING ERICH PFEIFFER GMBH·Filed 1998·Granted Sep 21, 1999·50 cites·1 claims
- 0393US6527144B2Discharge apparatus for mediaPFEIFFER ERICH GMBH & CO KG·Filed 2001·Granted Mar 4, 2003·75 cites·6 claims
- 0491US6626379B1Application method for at least two different media and dispenser thereforPFEIFFER ERICH GMBH & CO KG·Filed 1998·Granted Sep 30, 2003·84 cites·23 claims
- 0591US6578741B2Dispenser and method for discharging mediaPFEIFFER ERICH GMBH & CO KG·Filed 2001·Granted Jun 17, 2003·61 cites·14 claims
- 0691US6427684B2Discharge apparatus for mediaPFEIFFER ERICH GMBH & CO KG·Filed 2001·Granted Aug 6, 2002·58 cites·14 claims
- 0791US5901883ADispenser having nozzle insert with passages for discharge of two mediaPFEIFFER ERICH GMBH & CO KG·Filed 1996·Granted May 11, 1999·91 cites·25 claims
- 0889USD401323SMedication dispensing apparatusING ERICH PFEIFFER GMBH·Filed 1996·Granted Nov 17, 1998·37 cites·1 claims
- 0987USD414555SCombined pharmaceutical discharge apparatus and lidING ERICH PFEIFFER GMBH·Filed 1997·Granted Sep 28, 1999·28 cites·1 claims
- 1076US10538369B2Liquid dispenserAPTAR RADOLFZELL GMBH·Filed 2013·Granted Jan 21, 2020·4 cites·17 claims
- 1175US7946455B2Metering device for at least one mediumPFEIFFER ERICH GMBH & CO KG·Filed 2005·Granted May 24, 2011·8 cites·9 claims
- 1272US6626330B2Media dispenserPFEIFFER ERICH GMBH & CO KG·Filed 2001·Granted Sep 30, 2003·21 cites·23 claims
- 1371US6446839B1Dispenser with manually operable discharge devicePFEIFFER ERICH GMBH & CO KG·Filed 2000·Granted Sep 10, 2002·45 cites·23 claims
- 1471US6364166B1Dispenser with manually operable discharge devicePFEIFFER ERICH GMBH & CO KG·Filed 1998·Granted Apr 2, 2002·42 cites·12 claims
- 1570US6725857B2Dispenser for mediaPFEIFFER ERICH GMBH & CO KG·Filed 2001·Granted Apr 27, 2004·43 cites·20 claims
- 1668US5944222ATamper evident discharge apparatus for flowable mediaPFEIFFER ERICH GMBH & CO KG·Filed 1997·Granted Aug 31, 1999·39 cites·1 claims
- 1767US5950879ADispenser for discharging media, as well as method and device for filling a dispenserPFEIFFER ERICH GMBH & CO KG·Filed 1995·Granted Sep 14, 1999·33 cites·18 claims
- 1867US5375745AMedia dispenser with initial pressure-relief statePFEIFFER ERICH GMBH & CO KG·Filed 1992·Granted Dec 27, 1994·36 cites·33 claims
- 1966US6257454B1Media dispenserPFEIFFER ERICH GMBH & CO KG·Filed 1999·Granted Jul 10, 2001·35 cites·35 claims
- 2064US5813570AApparatus for controllably discharging flowable mediaPFEIFFER ERICH GMBH & CO KG·Filed 1996·Granted Sep 29, 1998·103 cites·24 claims
- 2164US5366122ADispenser for flowable mediaPFEIFFER ERICH GMBH & CO KG·Filed 1992·Granted Nov 22, 1994·116 cites·57 claims
- 2263US6461322B1Media dispenserPFEIFFER ERICH GMBH & CO KG·Filed 2000·Granted Oct 8, 2002·25 cites·31 claims
- 2362US2024148991A1Liquid dispenser for nasal application and pump deviceAPTAR RADOLFZELL GMBH·Filed 2023·Application pending·0 cites
- 2461US6484715B1Media dispenserPFEIFFER ERICH GMBH & CO KG·Filed 1999·Granted Nov 26, 2002·100 cites·19 claims
- 2561US5655689AMedia dispenser having a variable constriction outletPFEIFFER ERICH GMBH & CO KG·Filed 1995·Granted Aug 12, 1997·26 cites·34 claims
- 2659US2025339867A1Dispensing head for pharmaceutical or cosmetic liquidsAPTAR RADOLFZELL GMBH·Filed 2023·Application pending·0 cites
- 2757USD694399SSublingual fluid product dispenserRITSCHE STEFAN·Filed 2011·Granted Nov 26, 2013·10 cites·1 claims
- 2857USD684255SSublingual fluid product dispenserRITSCHE STEFAN·Filed 2011·Granted Jun 11, 2013·10 cites·1 claims
- 2957US7104469B2Discharge device for at least one mediumPFEIFFER ERICH GMBH & CO KG·Filed 2004·Granted Sep 12, 2006·15 cites·17 claims
- 3056US6626328B2Media dispenserPFEIFFER ERICH GMBH & CO KG·Filed 2000·Granted Sep 30, 2003·11 cites·16 claims
- 3156US2024269371A1Liquid dispenser for nasal applicationsAPTAR RADOLFZELL GMBH·Filed 2022·Application pending·0 cites
- 3253US6109547AMedia dispenserPFEIFFER ERICH GMBH & CO KG·Filed 1998·Granted Aug 29, 2000·19 cites·36 claims
- 3351US2025242367A1Liquid dispenserAPTAR RADOLFZELL GMBH·Filed 2022·Application pending·0 cites
- 3450US10363566B2Discharge head for a dispenser for discharging a fluid and dispenser comprising a discharge head of this type and securing section for a discharge head of this typeAPTAR RADOLFZELL GMBH·Filed 2016·Granted Jul 30, 2019·0 cites·14 claims
- 3549US5862962AFluid media dispenser and method of manufacturing dispenserPFEIFFER ERICH GMBH & CO KG·Filed 1996·Granted Jan 26, 1999·12 cites·30 claims
- 3646US2006011659A1Dispenser for mediaGREINER-PERTH JUERGEN·Filed 2005·Application pending·0 cites
- 3745US2007262090A1Metering DeviceRITSCHE STEFAN·Filed 2005·Application pending·0 cites
- 3843US5875938AMedia dispenser with magnetic elementPFEIFFER ERICH GMBH & CO KG·Filed 1997·Granted Mar 2, 1999·12 cites·27 claims
- 3943US5791518ADispenser for discharging mediaERICH PFEIFFER GMBH·Filed 1995·Granted Aug 11, 1998·14 cites·46 claims
- 4042US5938125ADischarge head for media for treatment of the throatPFEIFFER ERICH GMBH & CO KG·Filed 1997·Granted Aug 17, 1999·13 cites·27 claims
- 4141US2001007327A1Media dispenserFiled 2001·Application pending·0 cites
- 4240US2003010793A1Dispensing device for a mediumFiled 2002·Application pending·0 cites
- 4339US2007284393A1Dosing Device with Capillary Air SupplyRITSCHE STEFAN·Filed 2005·Application pending·0 cites
- 4437US6732955B1Dispenser for media and method for producing a dispenserPFEIFFER ERICH GMBH & CO KG·Filed 1999·Granted May 11, 2004·8 cites·19 claims
- 4537US6227415B1Thrust piston pump with double valve assemblyPFEIFFER ERICH GMBH & CO KG·Filed 1998·Granted May 8, 2001·9 cites·27 claims
- 4637US5437398AMedia dispenser with isolated pump restoring systemPFEIFFER ERICH GMBH & CO KG·Filed 1993·Granted Aug 1, 1995·9 cites·20 claims
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