Inventor

LAPP JOHN

25 patents

⚠️ This page may combine multiple inventors who share the name “LAPP JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LAPP JOHN

COOPER IND INC

Dielectric fluid having defined chemical composition for use in electrical apparatus

Dielectric fluid for use in power distribution equipment

Current limiting fuse having compact structure

Electrical apparatus with dielectric fluid blend of polyalphaolefins and polyol esters or triglycerides

Hermetically sealed, non-venting electrical apparatus with dielectric fluid having defined chemical composition

Power factor correction capacitor

Terminal bushing having integral overvoltage and overcurrent protection

Current limiting fuse and dropout fuseholder

Current limiting fuse and dropout fuseholder

Current responsive latching apparatus for disconnecting and isolating an electrical device

Delay mechanism for retarding relative movement between two members

Load break disconnecting device with solid arc suppression means

Current responsive latching apparatus for disconnecting and isolating an electrical device

Bus mounted capacitor expulsion-type fuses

Delay mechanism for retarding relative movement between two members

MC GRAW EDISON CO

Electrical capacitor having an improved dielectric system

Method of processing an electrical apparatus

Electrical capacitor having an impregnated dielectric

Capacitor with liquid polybutene dielectric

Cellulose material treated with a thermosetting resin and having improved physical properties at elevated temperatures

Electrical capacitor having an impregnated dielectric system

Apparatus for processing an electrical apparatus

Dielectric system for an electrical apparatus

COOPER POWER SYST

Current limiting fuse and dropout fuseholder for interchangeable cutout mounting

Nested contact and cap assembly for fuseholder