Inventor · disambiguated record
Hugh Duffy
Also filed as: DUFFY HUGH
9 granted patents·480 citations·filing 1986–2000
91Inventor score
Top patents by PatentIndex Score
9 records- 0192US5864458AOvercurrent protection circuits comprising combinations of PTC devices and switchesRAYCHEM CORP·Filed 1995·Granted Jan 26, 1999·95 cites·19 claims
- 0289US6437955B1Frequency-selective circuit protection arrangementsTYCO ELECTRONICS CORP·Filed 2000·Granted Aug 20, 2002·55 cites·17 claims
- 0387US5737160AElectrical switches comprising arrangement of mechanical switches and PCT deviceRAYCHEM CORP·Filed 1995·Granted Apr 7, 1998·54 cites·17 claims
- 0486US5689395AOvercurrent protection circuitRAYCHEM CORP·Filed 1995·Granted Nov 18, 1997·86 cites·19 claims
- 0582US5745322ACircuit protection arrangements using ground fault interrupter for overcurrent and overvoltage protectionRAYCHEM CORP·Filed 1995·Granted Apr 28, 1998·60 cites·52 claims
- 0680US5666254AVoltage sensing overcurrent protection circuitRAYCHEM CORP·Filed 1995·Granted Sep 9, 1997·55 cites·12 claims
- 0776US6181541B1Transistor-PTC circuit protection devicesFiled 1998·Granted Jan 30, 2001·48 cites·34 claims
- 0864US4822983AElectrical heatersRAYCHEM CORP·Filed 1986·Granted Apr 18, 1989·22 cites·47 claims
- 0934US6188556B1Two-terminal transistor PTC circuit protection devicesFiled 1998·Granted Feb 13, 2001·5 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →