Inventor
DOUGLASS ROBERT S
US16 patents
⚠️ This page may combine multiple inventors who share the name “DOUGLASS ROBERT S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COOPER TECHNOLOGIES CO
6 patentsUS5963123AOct 5, 1999
Knife blade fuse
COOPER TECHNOLOGIES CO49 citations95
US5905426AMay 18, 1999
Knife blade fuse
COOPER TECHNOLOGIES CO43 citations95
US6194989B1Feb 27, 2001
Fuse element having parallel strips
COOPER TECHNOLOGIES CO31 citations92
US7932805B2Apr 26, 2011
Fuse with fuse state indicator
COOPER TECHNOLOGIES CO31 citations89
US7812704B2Oct 12, 2010
Fuse with fuse state indicator
COOPER TECHNOLOGIES CO4 citations59
US6619990B2Sep 16, 2003
Short-circuit current limiter
COOPER TECHNOLOGIES CO2 citations56
EATON INTELLIGENT POWER LTD
6 patentsUS11087943B2Aug 10, 2021
Fabrication of printed fuse
EATON INTELLIGENT POWER LTD3 citations69
US11636993B2Apr 25, 2023
Fabrication of printed fuse
EATON INTELLIGENT POWER LTD2 citations68
US12217918B2Feb 4, 2025
High current, compact fusible disconnect switch with dual slider assembly and an actuator bias element
EATON INTELLIGENT POWER LTD0 citations60
US11735384B2Aug 22, 2023
High current, compact fusible disconnect switch with dual slider assembly and an actuator bias element
EATON INTELLIGENT POWER LTD0 citations60
US12400817B2Aug 26, 2025
Fabrication of printed fuse
EATON INTELLIGENT POWER LTD0 citations57
US12444564B2Oct 14, 2025
Glass rods fuse assembly and methods of manufacture
EATON INTELLIGENT POWER LTD0 citations51
COOPER IND INC
4 patentsUS5736918AApr 7, 1998
Knife blade fuse having an electrically insulative element over an end cap and plastic rivet to plug fill hole
COOPER IND INC61 citations95
US5077534ADec 31, 1991
Class J time delay fuse
COOPER IND INC38 citations92
US4994779AFeb 19, 1991
Class J time delay fuse
COOPER IND INC36 citations92
US5239291AAug 24, 1993
Multi-function heater element for dual element ferrule fuses
COOPER IND INC26 citations89