Inventor · disambiguated record
Bruce Cherewyk
Also filed as: CHEREWYK BRUCE · CHEREWYK BRUCE BORIS P
2 granted patents·1 pending application·29 citations·filing 1993–2013
60Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0147US8122949B2Tapered sleeve and fracturing head system for protecting a conveyance stringCHEREWYK BRUCE BORIS P·Filed 2008·Granted Feb 28, 2012·6 cites·23 claims
- 0245US5396956AWell head isolation tool sealing nipple testing apparatus and method of pressure testing isolation tool sealing nipple seals when in position on a wellFiled 1993·Granted Mar 14, 1995·23 cites·12 claims
- 0331US2013228326A1Ball injecting apparatus for wellbore operations with external loading portGRIFFITH SHELDON·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →