Inventor · disambiguated record
Alfred L. Ehrenfels
Also filed as: EHRENFELS ALFRED L
16 granted patents·729 citations·filing 1979–1996
95Inventor score
Top patents by PatentIndex Score
16 records- 0194US5239129AHousing for switched electrical receptacle or the likeHUBBELL INC·Filed 1992·Granted Aug 24, 1993·112 cites·16 claims
- 0293US5346406AElectrical cable and connector assembly with safety pilot line disconnect, especially for electric vehicleHUBBELL INC·Filed 1993·Granted Sep 13, 1994·160 cites·27 claims
- 0392US5758414AMethod of making universal electrical connectorHUBBELL INC·Filed 1996·Granted Jun 2, 1998·75 cites·4 claims
- 0489US4790765AConnector shunt structureHUBBELL INC·Filed 1987·Granted Dec 13, 1988·66 cites·4 claims
- 0588US5584715AUniversal electrical connector for receiving DC and AC electrical connectorsHUBBELL INC·Filed 1994·Granted Dec 17, 1996·51 cites·30 claims
- 0688US4736999AElectrical connector with component keying systemHUBBELL INC·Filed 1987·Granted Apr 12, 1988·65 cites·11 claims
- 0782US4243835ANon-rigid mechanical coupling for a fire-rated feed-through fitting and method of makingHUBBELL INC HARVEY·Filed 1979·Granted Jan 6, 1981·43 cites·8 claims
- 0876US4674807AShielded connectorHUBBELL INC HARVEY·Filed 1986·Granted Jun 23, 1987·40 cites·6 claims
- 0964US4381879ADetenting lift coverHUBBELL INC HARVEY·Filed 1981·Granted May 3, 1983·21 cites·11 claims
- 1062US4686381AOverhead wiring systemHUBBELL INC·Filed 1986·Granted Aug 11, 1987·23 cites·16 claims
- 1160US5035646AFlush mounted receptacle and plug with pin and sleeve type contactsHUBBELL INC·Filed 1990·Granted Jul 30, 1991·24 cites·8 claims
- 1254US5273445ALocking electrical connectorHUBBELL INC·Filed 1993·Granted Dec 28, 1993·18 cites·22 claims
- 1352USD349276SDead front electrical connector for recharging electric vehiclesHUBBELL INC·Filed 1993·Granted Aug 2, 1994·7 cites·1 claims
- 1444US5434360AClosure plug for electrical enclosureHUBBELL INC·Filed 1993·Granted Jul 18, 1995·13 cites·4 claims
- 1543US4361252AFloating seal for weatherproof housingHUBBELL INC HARVEY·Filed 1981·Granted Nov 30, 1982·9 cites·10 claims
- 1628US4740176ALatch and retainer mechanism for electrical connectorHUBBELL INC·Filed 1987·Granted Apr 26, 1988·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →