SC

Stephen A. Cromar

VG Vetco Gray: 3 patents #74 of 364Top 25%
CO Conocophillips: 2 patents #287 of 954Top 35%
AG Abb Vetco Gray: 1 patents #67 of 165Top 45%
Overall (All Time): #820,375 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10989041 Logging with selective solidification of annular material Ian Milne 2021-04-27
10883336 Well abandonment using vibration to assist cement placement Jean-Marie Prieur, Andrew Hood, Ian Milne 2021-01-05
5240076 Casing tension retainer Eric R. Schwelm, Garry Stephen, Norman Brammer, Ian Calder 1993-08-31
5002131 Casing tensioning mechanism for a casing hanger Eric R. Schwelm, Garry Stephen 1991-03-26
4986359 Release apparatus and method for threaded conductor pipe Gavin Reilly 1991-01-22
4819967 Conductor tieback connector Ian Calder 1989-04-11