Inventor · disambiguated record
Richard Degreef
Also filed as: DEGREEF RICHARD · DEGREEF RICHARD L
2 granted patents·1 pending application·48 citations·filing 1998–2005
63Inventor score
Top patents by PatentIndex Score
3 records- 0171US7201533B2Sewer grate locking mechanism and method of installing sameGRATE SEWER LOCK CO LLC·Filed 2004·Granted Apr 10, 2007·37 cites·9 claims
- 0239US5957172AAutomated mobile sandbag unitFiled 1998·Granted Sep 28, 1999·11 cites·14 claims
- 0339US2007081856A1Method and apparatus for locking a manhole coverDEGREEF RICHARD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →