Assignee
FRESENIUS AG
DE·173 granted patents·1 pending application·18,193 citations·filing 1980–2002
Top patents by PatentIndex Score
174 records- 0199US4997570AMethod and device for ultrafiltration during hemodialysisFRESENIUS AG·Filed 1989·Granted Mar 5, 1991·393 cites·15 claims
- 0299US4702829AHemodiafiltration apparatusFRESENIUS AG·Filed 1985·Granted Oct 27, 1987·297 cites·8 claims
- 0398US4995959AMeasuring apparatus for determination of the activity or of the concentration of ions in solutionsFRESENIUS AG·Filed 1989·Granted Feb 26, 1991·1k cites·8 claims
- 0498US4923598AApparatus for the treatment of blood in particular for hemodialysis and hemofiltrationFRESENIUS AG·Filed 1988·Granted May 8, 1990·246 cites·22 claims
- 0598US4745950AConnector for peritoneal dialysisFRESENIUS AG·Filed 1986·Granted May 24, 1988·225 cites·13 claims
- 0698US4675117AMethod of separating blood and apparatus for carrying out the methodFRESENIUS AG·Filed 1985·Granted Jun 23, 1987·178 cites·12 claims
- 0798US4564342APeristaltically operating roller pump and pump rotor thereforFRESENIUS AG·Filed 1984·Granted Jan 14, 1986·147 cites·11 claims
- 0897US4784768ACapillary filter arrangement for sterilization of liquid mediaFRESENIUS AG·Filed 1988·Granted Nov 15, 1988·138 cites·14 claims
- 0996US6017598AMultilayer polymer film for a multichamber medical bag and process for fabrication thereofFRESENIUS AG·Filed 1995·Granted Jan 25, 2000·188 cites·14 claims
- 1096US5522998AHemodialysis apparatus having a single balance chamber and method of dialyzing blood therewithFRESENIUS AG·Filed 1994·Granted Jun 4, 1996·169 cites·22 claims
- 1196US4966579AApparatus for dosed continuous simultaneous infusion of a plurality of infusion solutions or medicamentsFRESENIUS AG·Filed 1989·Granted Oct 30, 1990·398 cites·9 claims
- 1296US4906375AAsymmetrical microporous hollow fiber for hemodialysisFRESENIUS AG·Filed 1988·Granted Mar 6, 1990·116 cites·24 claims
- 1395US5928744APVC-free multilayer tube for medical purposes, process for the production thereof and useFRESENIUS AG·Filed 1996·Granted Jul 27, 1999·143 cites·21 claims
- 1495US5769087AUrine measurement apparatus and method for the determination of the density of urineFRESENIUS AG·Filed 1994·Granted Jun 23, 1998·124 cites·11 claims
- 1595US5614677ADiaphragm gage for measuring the pressure of a fluidFRESENIUS AG·Filed 1995·Granted Mar 25, 1997·296 cites·19 claims
- 1695US4561110ABag for the storage of liquidsFRESENIUS AG·Filed 1983·Granted Dec 24, 1985·152 cites·20 claims
- 1795US4516977AStorage bagFRESENIUS AG·Filed 1984·Granted May 14, 1985·142 cites·19 claims
- 1894US5624551AHydraulic safety circuit for a hemodialysis apparatusFRESENIUS AG·Filed 1994·Granted Apr 29, 1997·111 cites·22 claims
- 1994US4925299AHemoglobin detectorFRESENIUS AG·Filed 1988·Granted May 15, 1990·111 cites·10 claims
- 2094US4618343AApparatus for peritoneal dialysisFRESENIUS AG·Filed 1984·Granted Oct 21, 1986·307 cites·29 claims
- 2194US4557719AMethod and apparatus for the separation of mediaFRESENIUS AG·Filed 1984·Granted Dec 10, 1985·72 cites·25 claims
- 2294US4545744APeristaltically operating roller pumpFRESENIUS AG·Filed 1984·Granted Oct 8, 1985·65 cites·14 claims
- 2394US4341111AProcess and apparatus for determining the visco elastic characteristics of fluidsFRESENIUS AG·Filed 1980·Granted Jul 27, 1982·96 cites·27 claims
- 2493US6053967AAir separatorFRESENIUS AG·Filed 1994·Granted Apr 25, 2000·104 cites·27 claims
- 2593US5846419AHemo(Dia)filtration apparatusFRESENIUS AG·Filed 1997·Granted Dec 8, 1998·210 cites·19 claims
- 2693US5842983ABiosensorFRESENIUS AG·Filed 1996·Granted Dec 1, 1998·395 cites·24 claims
- 2793US5589508AUse of an emulsion to prepare an intravensously administered medicament for treating skin diseasesFRESENIUS AG·Filed 1992·Granted Dec 31, 1996·210 cites·13 claims
- 2892US5725773AMethod and apparatus for determining the quantity of oremic toxins removed by a hemodialysis treatmentFRESENIUS AG·Filed 1995·Granted Mar 10, 1998·150 cites·23 claims
- 2992US4931041AInfusion syringe pumpFRESENIUS AG·Filed 1988·Granted Jun 5, 1990·110 cites·5 claims
- 3092US4922975AApparatus for making mixtures of pharmaceutical liquidsFRESENIUS AG·Filed 1987·Granted May 8, 1990·86 cites·8 claims
- 3191US6277060B1Centrifuge chamber for a cell separator having a spiral separation chamberFRESENIUS AG·Filed 1999·Granted Aug 21, 2001·84 cites·16 claims
- 3291US5580460AProcess for determining the operability of the structural components in the dialysis section of a dialyzer of a hemodialysis apparatus and apparatus for executing this processFRESENIUS AG·Filed 1995·Granted Dec 3, 1996·313 cites·21 claims
- 3391US5281342AMethod and apparatus for the separation of blood into its componentsFRESENIUS AG·Filed 1992·Granted Jan 25, 1994·149 cites·9 claims
- 3491US4894164AApparatus for treating blood in an extracorporeal circuitFRESENIUS AG·Filed 1987·Granted Jan 16, 1990·264 cites·22 claims
- 3591US4634430APump arrangement for medical purposesFRESENIUS AG·Filed 1985·Granted Jan 6, 1987·279 cites·19 claims
- 3690US5607830AMethod for the continuous conditioning of a cell suspensionFRESENIUS AG·Filed 1995·Granted Mar 4, 1997·71 cites·16 claims
- 3790US4878516AArrangement for peritoneal dialysis and connector thereforeFRESENIUS AG·Filed 1988·Granted Nov 7, 1989·61 cites·6 claims
- 3889US6362887B1Device for measuring changes in parameters within transparent objectsFRESENIUS AG·Filed 1999·Granted Mar 26, 2002·101 cites·35 claims
- 3989US5830365AMeans for determining hemodynamic parameters during extracorporeal blood treatmentFRESENIUS AG·Filed 1996·Granted Nov 3, 1998·161 cites·28 claims
- 4089US5783269ANon-PVC multilayer film for medical bagsFRESENIUS AG·Filed 1996·Granted Jul 21, 1998·93 cites·19 claims
- 4189US5100554AMethod for the in-vivo determination of hemodialysis parametersFRESENIUS AG·Filed 1990·Granted Mar 31, 1992·284 cites·9 claims
- 4289US4683053AHemodialysis deviceFRESENIUS AG·Filed 1985·Granted Jul 28, 1987·73 cites·7 claims
- 4388US6284140B1Dialysis solution for peritoneal dialysisFRESENIUS AG·Filed 1997·Granted Sep 4, 2001·109 cites·23 claims
- 4488US5871694ADevice for providing a substituateFRESENIUS AG·Filed 1996·Granted Feb 16, 1999·110 cites·8 claims
- 4588US4544336AMedical peristaltic pumpFRESENIUS AG·Filed 1984·Granted Oct 1, 1985·58 cites·5 claims
- 4687US6004311AConnecting arrangement and process for connecting two separate parts of a medical systemFRESENIUS AG·Filed 1996·Granted Dec 21, 1999·57 cites·30 claims
- 4787US4770769AHemodialysis apparatus with degassing means for the dialysis solutionFRESENIUS AG·Filed 1985·Granted Sep 13, 1988·193 cites·13 claims
- 4887US4552552APump system for use with dialysis and like apparatusFRESENIUS AG·Filed 1983·Granted Nov 12, 1985·192 cites·16 claims
- 4986US5632897AMethod for removing aluminum ions from bloodFRESENIUS AG·Filed 1995·Granted May 27, 1997·82 cites·11 claims
- 5086US5260598ADevice for separation of media into their components having means for detection and adjustment of the phase boundaryFRESENIUS AG·Filed 1992·Granted Nov 9, 1993·88 cites·15 claims
Showing the top 50 of 174 patent records by PatentIndex Score.
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