Inventor · disambiguated record
Chudleigh B. Cochran
Also filed as: COCHRAN CHUDLEIGH B
13 granted patents·743 citations·filing 1974–1990
94Inventor score
Technology areasE21B
Top patents by PatentIndex Score
13 records- 0196US4519456AContinuous flow perforation washing tool and methodHUGHES TOOL CO·Filed 1984·Granted May 28, 1985·175 cites·8 claims
- 0293US5048611APressure operated circulation valveLINDSEY COMPLETION SYSTEMS INC·Filed 1990·Granted Sep 17, 1991·186 cites·6 claims
- 0386US3973587ACheck valve assemblyBROWN OIL TOOLS·Filed 1975·Granted Aug 10, 1976·64 cites·10 claims
- 0482US4018274AWell packerBROWN OIL TOOLS·Filed 1975·Granted Apr 19, 1977·51 cites·12 claims
- 0580US4267675AWell working rigBROWN JOE R·Filed 1979·Granted May 19, 1981·44 cites·50 claims
- 0675US3934652AApparatus and method for cementing well linersBROWN OIL TOOLS·Filed 1974·Granted Jan 27, 1976·35 cites·18 claims
- 0771US4071084AWell packerBROWN OIL TOOLS·Filed 1976·Granted Jan 31, 1978·33 cites·49 claims
- 0862US5058672ALanding collar and float valve assemblyLINDSEY COMPLETION SYSTEMS INC·Filed 1990·Granted Oct 22, 1991·40 cites·15 claims
- 0962US5048612ADouble nut setting tool and linger hanger assemblyLINDSEY COMPLETION SYSTEMS INC·Filed 1990·Granted Sep 17, 1991·38 cites·22 claims
- 1055US5058671APipe insert assemblyLINDSEY COMPLETION SYSTEMS INC·Filed 1990·Granted Oct 22, 1991·30 cites·17 claims
- 1153US4131160AWell tool with pressure responsive tightening meansBROWN OIL TOOLS·Filed 1977·Granted Dec 26, 1978·17 cites·23 claims
- 1250US4015662AWell tool which changes reciprocating movement to rotary motionBROWN OIL TOOLS·Filed 1975·Granted Apr 5, 1977·15 cites·21 claims
- 1347US4030546ASwivel assemblyBROWN OIL TOOLS·Filed 1975·Granted Jun 21, 1977·15 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →