Inventor · disambiguated record
David Digregorio
Also filed as: DIGREGORIO DAVID · DIGREGORIO DAVID R
7 granted patents·116 citations·filing 1978–2013
85Inventor score
Top patents by PatentIndex Score
7 records- 0185US5234595ATwo-phase orbital-type wastewater treatment system and methodBAKER HUGHES INC·Filed 1992·Granted Aug 10, 1993·56 cites·22 claims
- 0278US9236050B2System and method for improving speech recognition accuracy in a work environmentVOCOLLECT INC·Filed 2013·Granted Jan 12, 2016·6 cites·19 claims
- 0357US4869818AOrbital wastewater treatment system with combined surface aerator and submerged impellerBAKER INT CORP·Filed 1987·Granted Sep 26, 1989·24 cites·8 claims
- 0440US5078869AClarifier cleaning apparatusBAKER HUGHES INC·Filed 1990·Granted Jan 7, 1992·10 cites·36 claims
- 0539US4940545AAerobic waste sludge digester-thickener orbital system and methodBAKER HUGHES INC·Filed 1989·Granted Jul 10, 1990·10 cites·18 claims
- 0633US4275020AGas-liquid dissolving tankENVIROTECH CORP·Filed 1978·Granted Jun 23, 1981·7 cites·9 claims
- 0729US4936982AIntrachannel clarifierBAKER HUGHES INC·Filed 1989·Granted Jun 26, 1990·3 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →