Inventor · disambiguated record
Joseph F. D'Costa
Also filed as: D COSTA JOSEPH F
9 granted patents·345 citations·filing 1995–2001
91Inventor score
Files withTENNANT CO8
Top patents by PatentIndex Score
9 records- 0197US6421870B1Stacked tools for overthrow sweepingTENNANT CO·Filed 2000·Granted Jul 23, 2002·132 cites·27 claims
- 0273US5779241AApparatus and method for measurement of position and velocityFiled 1995·Granted Jul 14, 1998·58 cites·63 claims
- 0367US6449793B2Tessellated cylindrical brushTENNANT CO·Filed 2001·Granted Sep 17, 2002·12 cites·9 claims
- 0463US6035479ASweeper with auxiliary brush and auxiliary lipTENNANT CO·Filed 1998·Granted Mar 14, 2000·31 cites·9 claims
- 0561US5991953ASweeping machine with multiple position front flapTENNANT CO·Filed 1998·Granted Nov 30, 1999·28 cites·10 claims
- 0657US6018844AComposite side skirt for powered sweeperTENNANT CO·Filed 1998·Granted Feb 1, 2000·28 cites·11 claims
- 0754US6286169B1Tessellated cylindrical brushTENNANT CO·Filed 1997·Granted Sep 11, 2001·20 cites·9 claims
- 0850US5893189ASweeping machine with hopper shelfTENNANT CO·Filed 1997·Granted Apr 13, 1999·20 cites·6 claims
- 0943US6073295ASweeping machine with movable recirculation flapTENNANT CO·Filed 1998·Granted Jun 13, 2000·16 cites·9 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →