Inventor · disambiguated record
Friedrich Witthaus
Also filed as: WITTHAUS FRIEDRICH
8 granted patents·175 citations·filing 1993–2006
89Inventor score
Top patents by PatentIndex Score
8 records- 0180US8182686B2Hollow fiber membrane separation deviceWITTHAUS FRIEDRICH·Filed 2006·Granted May 22, 2012·15 cites·18 claims
- 0273US5814279ACentrifuge having marker elementsFRESENIUS AG·Filed 1996·Granted Sep 29, 1998·34 cites·7 claims
- 0370US6832981B2Tube arrangement and a method for its manufactureFRESENIUS HEMOCARE GMBH·Filed 2002·Granted Dec 21, 2004·18 cites·17 claims
- 0466US5350514ACentrifugeFRESENIUS AG·Filed 1993·Granted Sep 27, 1994·26 cites·12 claims
- 0553US6716154B2Centrifuge with a fluid line guide element having a curved bearing surfaceFRESENIUS HEMOCARE GMBH·Filed 2002·Granted Apr 6, 2004·7 cites·9 claims
- 0652US5449022AHose arrangement for a sealess centrifuge having hoses comprised of layers of different hardnessFRESENIUS AG·Filed 1994·Granted Sep 12, 1995·15 cites·3 claims
- 0748US6200276B1Blood collecting deviceFRESENIUS AG·Filed 1999·Granted Mar 13, 2001·51 cites·5 claims
- 0841US5558769ALatching apparatus for a bearing assembly particularly for a centrifuge separation chamberFRESENIUS AG·Filed 1994·Granted Sep 24, 1996·9 cites·25 claims
Join the waitlist — get patent alerts
Get an alert when Friedrich Witthaus files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →