Inventor · disambiguated record
William M. Del Zotto
Also filed as: DEL ZOTTO WILLIAM · DEL ZOTTO WILLIAM M
17 granted patents·1 pending application·416 citations·filing 1988–2020
94Inventor score
Files withDEL ZOTTO WILLIAM M7DEL ZOTTO PRODUCTS INC2GUARDIAN CONTAINMENT CORP2DEL ZOTTO WILLIAM1ZOTTO MFG DEL1
Top patents by PatentIndex Score
18 records- 0192US4922463APortable volumetric concrete mixer/siloZOTTO MFG DEL·Filed 1988·Granted May 1, 1990·144 cites·15 claims
- 0276US11511460B2Devices and processes for making concrete articlesDEL ZOTTO WILLIAM M·Filed 2020·Granted Nov 29, 2022·0 cites·18 claims
- 0376US5645234ACompact reduction grinderFiled 1996·Granted Jul 8, 1997·28 cites·13 claims
- 0474US10703013B2Devices and processes for making concrete articlesDEL ZOTTO WILLIAM M·Filed 2019·Granted Jul 7, 2020·0 cites·9 claims
- 0569US7731149B2Septic tank formDEL ZOTTO PRODUCTS INC·Filed 2005·Granted Jun 8, 2010·2 cites·14 claims
- 0665US10493656B2Devices and processes for making concrete articlesDEL ZOTTO WILLIAM M·Filed 2017·Granted Dec 3, 2019·0 cites·9 claims
- 0765US5881760AModular steel tank with casting wallFiled 1996·Granted Mar 16, 1999·35 cites·24 claims
- 0865US5354127ASegmented mixing augerDEL ZOTTO WILLIAM·Filed 1994·Granted Oct 11, 1994·41 cites·9 claims
- 0964US5582310AAbove-grade storage vaultGUARDIAN CONTAINMENT CORP·Filed 1994·Granted Dec 10, 1996·29 cites·21 claims
- 1064US5285914AAbove-grade storage vaultDEL ZOTTO WILLIAM M·Filed 1992·Granted Feb 15, 1994·29 cites·19 claims
- 1161USD381666SPortable reduction grinderDEL ZOTTO WILLIAM M·Filed 1995·Granted Jul 29, 1997·11 cites·1 claims
- 1253US5197682APortable hydraulic shredderDEL ZOTTO WILLIAM M·Filed 1991·Granted Mar 30, 1993·13 cites·14 claims
- 1352US5865346ASelf-contained fueling system and methodFiled 1997·Granted Feb 2, 1999·40 cites·18 claims
- 1452US5171507AMethod for casting a resilient bulkhead gasketDEL ZOTTO WILLIAM M·Filed 1991·Granted Dec 15, 1992·11 cites·3 claims
- 1549US5720467AModular curb and sewer casting formFiled 1995·Granted Feb 24, 1998·14 cites·10 claims
- 1647US2010308487A1Septic tank formDEL ZOTTO PRODUCTS INC·Filed 2010·Application pending·0 cites
- 1745US5381995AConcrete hole formerFiled 1993·Granted Jan 17, 1995·8 cites·12 claims
- 1838US5454544AStorage vault cover casting assemblyGUARDIAN CONTAINMENT CORP·Filed 1993·Granted Oct 3, 1995·11 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →