Inventor · disambiguated record
Leo L. Roberts
Also filed as: ROBERTS LEO L
4 granted patents·64 citations·filing 1975–1982
77Inventor score
Top patents by PatentIndex Score
4 records- 0175US4135863AImpeller for a magnetically coupled pumpLITTLE GIANT CORP·Filed 1977·Granted Jan 23, 1979·32 cites·10 claims
- 0264USD244750SPumpLITTLE GIANT CORP·Filed 1975·Granted Jun 21, 1977·8 cites·1 claims
- 0360US4483660ASubmersible pump impeller locking methodHUGHES TOOL CO·Filed 1982·Granted Nov 20, 1984·17 cites·2 claims
- 0438US4275938ATandem thrust bearingHUGHES CENTRILIFT·Filed 1979·Granted Jun 30, 1981·7 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →