Inventor · disambiguated record
Harper Boyd
Also filed as: BOYD HARPER
5 granted patents·1 pending application·243 citations·filing 1986–2003
84Inventor score
Files withBOYD S BIT SERVICE INC4
Top patents by PatentIndex Score
6 records- 0186US4681162ABorehole drill pipe continuous side entry or exit apparatus and methodBOYD S BIT SERVICE INC·Filed 1986·Granted Jul 21, 1987·94 cites·1 claims
- 0280US5996712AMechanical locking swivel apparatusFiled 1998·Granted Dec 7, 1999·105 cites·15 claims
- 0364US6269879B1Sleeve liner for wireline entry sub assemblyFiled 2000·Granted Aug 7, 2001·29 cites·15 claims
- 0443US6732805B1Sleeve liner for wireline entry sub assembly and method of useBOYD S BIT SERVICE INC·Filed 2001·Granted May 11, 2004·7 cites·34 claims
- 0540US2003127857A1Manually actuated mechanical locking swivelBOYD S BIT SERVICE INC·Filed 2003·Application pending·0 cites
- 0630US5664627AMethod and apparatus for protecting a steel riser from chemical cuttersBOYD S BIT SERVICE INC·Filed 1996·Granted Sep 9, 1997·8 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →