Inventor · disambiguated record
Edward J. Mcfadden
Also filed as: MCFADDEN EDWARD J
3 granted patents·64 citations·filing 1976–1982
73Inventor score
Top patents by PatentIndex Score
3 records- 0166US4361940ASlip-type elevator locking mechanismBJ HUGHES INC·Filed 1981·Granted Dec 7, 1982·37 cites·17 claims
- 0252US4438910AShock absorbing snubber for derrick hooksHUGHES TOOL CO·Filed 1982·Granted Mar 27, 1984·13 cites·2 claims
- 0339US3999260ARotary power slip assemblyBJ HUGHES INC·Filed 1976·Granted Dec 28, 1976·14 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →