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ESB INC

Overview
  • Total Patents
    972
About

ESB INC has a total of 972 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, environmental technology and machines are NEC MOBILE ENERGY CORP, MICROBATTERIE GMBH and SUPER B B V.

Patent filings per year

Chart showing ESB INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Duddy Joseph C 38
#2 Megahed El Sayed 36
#3 Bergum Bernard C 18
#4 Raddi William J 16
#5 Werth J 14
#6 Coffey James P 14
#7 Spellman P 14
#8 Sklarchuk Jack C 14
#9 Bilhorn John M 13
#10 Bohner William R 12

Latest patents

Publication Filing date Title
US4414168A Process for manufacturing a porous dip tube
US4252872A Granulated lead oxides with teflon
US4215189A Electrochemical battery employing a latex bonded lead dioxide electrode
US4221852A Radial grids for lead acid batteries
US4311920A Emergency power source
US4164016A Current sensing system
US4160070A Additive for high drain rate lithium cells
US4191806A Pressure vent for a sealed primary cell
US4224736A Process for sealing electrochemical cells
US4253927A Material for an alkaline cell separator and a process of making
US4206275A Material for an alkaline cell separator and a process of making
KR820000745B1 Process for sealing electrochemical cells
US4206398A Method of and apparatus for detecting ground faults in isolated power supply systems
US4199754A Circuit for an emergency lighting and fire detector system
US4255746A Emergency lighting and fire detector system
US4113929A Non-aqueous primary battery having a pure silver chromate cathode
US4091186A Dry cell battery having electrical spring contact adhered to terminal
US4200830A Series resonant battery charger and control therefor
US4145648A Polarity indicator for battery charger
US4122242A Process for sealing electrochemical cells