Inventor
RITSCHE STEFAN
DE37 patents
⚠️ This page may combine multiple inventors who share the name “RITSCHE STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PFEIFFER ERICH GMBH & CO KG
29 patentsUS6708846B1Mar 23, 2004
Dispenser for flowable media
PFEIFFER ERICH GMBH & CO KG279 citations99
US6626379B1Sep 30, 2003
Application method for at least two different media and dispenser therefor
PFEIFFER ERICH GMBH & CO KG84 citations98
US5901883AMay 11, 1999
Dispenser having nozzle insert with passages for discharge of two media
PFEIFFER ERICH GMBH & CO KG91 citations98
US5813570ASep 29, 1998
Apparatus for controllably discharging flowable media
PFEIFFER ERICH GMBH & CO KG103 citations98
US6527144B2Mar 4, 2003
Discharge apparatus for media
PFEIFFER ERICH GMBH & CO KG75 citations97
US6484715B1Nov 26, 2002
Media dispenser
PFEIFFER ERICH GMBH & CO KG100 citations97
US6578741B2Jun 17, 2003
Dispenser and method for discharging media
PFEIFFER ERICH GMBH & CO KG61 citations96
US6427684B2Aug 6, 2002
Discharge apparatus for media
PFEIFFER ERICH GMBH & CO KG58 citations96
US5366122ANov 22, 1994
Dispenser for flowable media
PFEIFFER ERICH GMBH & CO KG116 citations95
US5655689AAug 12, 1997
Media dispenser having a variable constriction outlet
PFEIFFER ERICH GMBH & CO KG26 citations93
US6725857B2Apr 27, 2004
Dispenser for media
PFEIFFER ERICH GMBH & CO KG43 citations92
US6626330B2Sep 30, 2003
Media dispenser
PFEIFFER ERICH GMBH & CO KG21 citations92
US6461322B1Oct 8, 2002
Media dispenser
PFEIFFER ERICH GMBH & CO KG25 citations92
US6446839B1Sep 10, 2002
Dispenser with manually operable discharge device
PFEIFFER ERICH GMBH & CO KG45 citations92
US6257454B1Jul 10, 2001
Media dispenser
PFEIFFER ERICH GMBH & CO KG35 citations92
US5950879ASep 14, 1999
Dispenser for discharging media, as well as method and device for filling a dispenser
PFEIFFER ERICH GMBH & CO KG33 citations92
US5375745ADec 27, 1994
Media dispenser with initial pressure-relief state
PFEIFFER ERICH GMBH & CO KG36 citations92
US5944222AAug 31, 1999
Tamper evident discharge apparatus for flowable media
PFEIFFER ERICH GMBH & CO KG39 citations89
US6364166B1Apr 2, 2002
Dispenser with manually operable discharge device
PFEIFFER ERICH GMBH & CO KG42 citations87
US7946455B2May 24, 2011
Metering device for at least one medium
PFEIFFER ERICH GMBH & CO KG8 citations84
US6109547AAug 29, 2000
Media dispenser
PFEIFFER ERICH GMBH & CO KG19 citations84
US7104469B2Sep 12, 2006
Discharge device for at least one medium
PFEIFFER ERICH GMBH & CO KG15 citations83
US6732955B1May 11, 2004
Dispenser for media and method for producing a dispenser
PFEIFFER ERICH GMBH & CO KG8 citations74
US6626328B2Sep 30, 2003
Media dispenser
PFEIFFER ERICH GMBH & CO KG11 citations74
US5875938AMar 2, 1999
Media dispenser with magnetic element
PFEIFFER ERICH GMBH & CO KG12 citations74
US5862962AJan 26, 1999
Fluid media dispenser and method of manufacturing dispenser
PFEIFFER ERICH GMBH & CO KG12 citations74
US5437398AAug 1, 1995
Media dispenser with isolated pump restoring system
PFEIFFER ERICH GMBH & CO KG9 citations74
US6227415B1May 8, 2001
Thrust piston pump with double valve assembly
PFEIFFER ERICH GMBH & CO KG9 citations73
US5938125AAug 17, 1999
Discharge head for media for treatment of the throat
PFEIFFER ERICH GMBH & CO KG13 citations73
ING ERICH PFEIFFER GMBH
3 patentsUSD414261SSep 21, 1999
Combined pharmaceutical discharge apparatus and lid
ING ERICH PFEIFFER GMBH50 citations95
USD414555SSep 28, 1999
Combined pharmaceutical discharge apparatus and lid
ING ERICH PFEIFFER GMBH28 citations92
USD401323SNov 17, 1998
Medication dispensing apparatus
ING ERICH PFEIFFER GMBH37 citations92