Inventor · disambiguated record
Robert Koopmans
Also filed as: KOOPMANS ROBERT
4 granted patents·74 citations·filing 1985–1999
78Inventor score
Top patents by PatentIndex Score
4 records- 0159US6337013B1Removable filter with jack sealing device and vacuum cleaning headsONTARIO POWER GENERATION INC·Filed 1999·Granted Jan 8, 2002·33 cites·26 claims
- 0248US4657306AHydraulic rock breaking toolKOOPMANS ROBERT·Filed 1985·Granted Apr 14, 1987·18 cites·7 claims
- 0339US4760741ABorehole dilatometer with intensifierKOOPMANS ROBERT·Filed 1986·Granted Aug 2, 1988·11 cites·15 claims
- 0435US4733568ABorehole dilatometer intensifierKOOPMANS ROBERT·Filed 1986·Granted Mar 29, 1988·12 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →