Inventor · disambiguated record
James T. Carmichael
Also filed as: CARMICHAEL JAMES T
3 granted patents·117 citations·filing 1975–1977
75Inventor score
Files withWKM WELLHEAD SYSTEMS3
Top patents by PatentIndex Score
3 records- 0182US4184504AWellhead valve removal and installation toolWKM WELLHEAD SYSTEMS·Filed 1977·Granted Jan 22, 1980·58 cites·19 claims
- 0271US4139059AWell casing hanger assemblyWKM WELLHEAD SYSTEMS·Filed 1977·Granted Feb 13, 1979·37 cites·8 claims
- 0353US3994517APipe anchor for wellhead assembliesWKM WELLHEAD SYSTEMS·Filed 1975·Granted Nov 30, 1976·22 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →