Inventor · disambiguated record
Hendrik Leendert Rieffe
Also filed as: RIEFFE HENDRIK L · RIEFFE HENDRIK LEENDERT
4 granted patents·1 pending application·65 citations·filing 1994–2007
78Inventor score
Top patents by PatentIndex Score
5 records- 0165US6008167ALubricantUNILEVER PATENT HOLDINGS·Filed 1995·Granted Dec 28, 1999·20 cites·8 claims
- 0264US5707945ABase fluidsUNICHEMA CHEMIE BV·Filed 1994·Granted Jan 13, 1998·20 cites·15 claims
- 0355US6346504B1LubricantUNILEVER PATENT HOLDINGS·Filed 1999·Granted Feb 12, 2002·11 cites·22 claims
- 0454US5688750ABase fluidUNICHEMA CHEMIE BV·Filed 1994·Granted Nov 18, 1997·14 cites·17 claims
- 0549US2010190648A1Structured Agrochemical Oil Based SystemsCRODA INT PLC·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hendrik Leendert Rieffe 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 →