Inventor · disambiguated record
Robert W. Perkins
Also filed as: PERKINS ROBERT W · PERKINS SR ROBERT W
9 granted patents·669 citations·filing 1974–1995
91Inventor score
Files withSPIRAL TUBING CORP3ARC TECHNOLOGIES INC2HERCULES INC1PERKINS ROBERT W1PERKINS SR ROBERT W1
Top patents by PatentIndex Score
9 records- 0191USH1743HInventory management method and apparatusHERCULES INC·Filed 1995·Granted Aug 4, 1998·227 cites·33 claims
- 0285US5348547AAbsorbent members having improved fluid distribution via low density and basis weight acquisition zonesPROCTER & GAMBLE·Filed 1993·Granted Sep 20, 1994·258 cites·20 claims
- 0385US4171634AMethod of making corrugated tubing with graduated pitchSPIRAL TUBING CORP·Filed 1977·Granted Oct 23, 1979·43 cites·16 claims
- 0477US5438333AElectromagnetic radiation absorbing shroudARC TECHNOLOGIES INC·Filed 1994·Granted Aug 1, 1995·48 cites·23 claims
- 0571US5525988AElectromagnetic radiation absorbing shroudARC TECHNOLOGIES INC·Filed 1995·Granted Jun 11, 1996·44 cites·8 claims
- 0668US4059004AMethod of forming helically corrugated tubingSPIRAL TUBING CORP·Filed 1976·Granted Nov 22, 1977·12 cites·17 claims
- 0756US3942203ASegmented buoyPERKINS ROBERT W·Filed 1974·Granted Mar 9, 1976·17 cites·3 claims
- 0851US4203312ACorrugated tubing with variable depth corrugations and method of making the sameSPIRAL TUBING CORP·Filed 1978·Granted May 20, 1980·13 cites·7 claims
- 0944USD373669SDolly for receiving recycling bins and cardboardPERKINS SR ROBERT W·Filed 1995·Granted Sep 10, 1996·7 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →