Inventor · disambiguated record
Stephen R. Callegari, Sr.
Also filed as: CALLEGARI SR STEPHEN R · CALLEGARI STEPHEN R
6 granted patents·335 citations·filing 1974–2012
87Inventor score
Top patents by PatentIndex Score
6 records- 0193US4077525ADerrick mounted apparatus for the manipulation of pipeLAMB INDUSTRIES·Filed 1974·Granted Mar 7, 1978·179 cites·9 claims
- 0274US4701869APipe measurement, labeling and controlsCALLEGARI SR STEPHEN R·Filed 1985·Granted Oct 20, 1987·41 cites·9 claims
- 0373US4512216APipe spinnerROGERS TOMMIE·Filed 1984·Granted Apr 23, 1985·49 cites·22 claims
- 0472US8714260B2Multi-purpose well servicing apparatusKNOBLOCH BENTON·Filed 2012·Granted May 6, 2014·4 cites·25 claims
- 0569US4733723AGravel pack assemblyCALLEGARI SR STEPHEN R·Filed 1987·Granted Mar 29, 1988·44 cites·21 claims
- 0652US4753633ASlurry separatorCALLEGARI SR STEPHEN R·Filed 1986·Granted Jun 28, 1988·18 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →