Inventor · disambiguated record
Roy C. Grubbs
Also filed as: GRUBBS ROY C
4 granted patents·91 citations·filing 1990–1999
79Inventor score
Top patents by PatentIndex Score
4 records- 0165US5534775AMethod and apparatus for noncontact magnetic particle stray magnetic flux testing of cylindrical membersICO INC·Filed 1993·Granted Jul 9, 1996·32 cites·16 claims
- 0262US5867275AMethod and apparatus for high speed measurement of oilfield tubular diameter and ovalityICO INC·Filed 1997·Granted Feb 2, 1999·27 cites·22 claims
- 0352US6249119B1Rotating electromagnetic field defect detection system for tubular goodsICO INC·Filed 1999·Granted Jun 19, 2001·19 cites·7 claims
- 0444US5157977AInspection machineTUBOSCOPE VETCO INT·Filed 1990·Granted Oct 27, 1992·13 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →