Inventor · disambiguated record
Stephen A. Cromar
Also filed as: CROMAR STEPHEN · CROMAR STEPHEN A
6 granted patents·139 citations·filing 1983–2018
84Inventor score
Technology areasE21B
Top patents by PatentIndex Score
6 records- 0180US10883336B2Well abandonment using vibration to assist cement placementCONOCOPHILLIPS CO·Filed 2016·Granted Jan 5, 2021·5 cites·19 claims
- 0278US10989041B2Logging with selective solidification of annular materialCONOCOPHILLIPS CO·Filed 2018·Granted Apr 27, 2021·3 cites·20 claims
- 0371US4819967AConductor tieback connectorVETCO GRAY INC·Filed 1983·Granted Apr 11, 1989·40 cites·12 claims
- 0467US5002131ACasing tensioning mechanism for a casing hangerVETCO GRAY INC·Filed 1990·Granted Mar 26, 1991·53 cites·6 claims
- 0551US5240076ACasing tension retainerVETCO GRAY INC ABB·Filed 1991·Granted Aug 31, 1993·27 cites·16 claims
- 0634US4986359ARelease apparatus and method for threaded conductor pipeVETCO GRAY INC·Filed 1990·Granted Jan 22, 1991·11 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Stephen A. Cromar files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →