AE

Alfred L. Ehrenfels

HI Hubbell Incorporated: 12 patents #100 of 1,172Top 9%
HH Harvey Hubbell: 4 patents #4 of 65Top 7%
📍 Cheshire, CT: #61 of 532 inventorsTop 15%
🗺 Connecticut: #2,703 of 34,797 inventorsTop 8%
Overall (All Time): #303,051 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
5758414 Method of making universal electrical connector 1998-06-02
5584715 Universal electrical connector for receiving DC and AC electrical connectors 1996-12-17
5434360 Closure plug for electrical enclosure 1995-07-18
5346406 Electrical cable and connector assembly with safety pilot line disconnect, especially for electric vehicle Ernest G. Hoffman 1994-09-13
D349276 Dead front electrical connector for recharging electric vehicles Ernest G. Hoffman 1994-08-02
5273445 Locking electrical connector Robert J. Simon 1993-12-28
5239129 Housing for switched electrical receptacle or the like 1993-08-24
5035646 Flush mounted receptacle and plug with pin and sleeve type contacts David L. Lutz, Martin John Parker 1991-07-30
4790765 Connector shunt structure Michael J. D'Amato 1988-12-13
4740176 Latch and retainer mechanism for electrical connector Michael R. Marks 1988-04-26
4736999 Electrical connector with component keying system Michael R. Marks 1988-04-12
4686381 Overhead wiring system William C. Boteler 1987-08-11
4674807 Shielded connector William C. Boteler, David L. Lutz 1987-06-23
4381879 Detenting lift cover Michael R. Marks 1983-05-03
4361252 Floating seal for weatherproof housing Richard I. Black, Michael R. Marks 1982-11-30
4243835 Non-rigid mechanical coupling for a fire-rated feed-through fitting and method of making 1981-01-06