Assignee
CARBIDE BLAST JOINTS INC
3 granted patents·113 citations·filing 1980–1985
Top patents by PatentIndex Score
3 records- 0187US4349050ABlast joint for subterranean wellsCARBIDE BLAST JOINTS INC·Filed 1980·Granted Sep 14, 1982·88 cites·11 claims
- 0244US4635968AMethod and apparatus for protecting consecutive multiple variable diameter couplingsCARBIDE BLAST JOINTS INC·Filed 1985·Granted Jan 13, 1987·11 cites·11 claims
- 0338US4613165AIncreased tensile strength variable diameter protective jointCARBIDE BLAST JOINTS INC·Filed 1985·Granted Sep 23, 1986·14 cites·16 claims
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