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PALMER GRANVILLE E

Overview
  • Total Patents
    13
About

PALMER GRANVILLE E has a total of 13 patent applications. Its first patent ever was published in 1903. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, measurement and machines are HOSHO CORP, SUPERIOR SWITCHBOARD AND DEVIC and CLUM MFG COMPANY.

Patent filings in countries

World map showing PALMER GRANVILLE Es patent filings in countries
# Country Total Patents
#1 United States 13

Patent filings per year

Chart showing PALMER GRANVILLE Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Palmer Granville E 13
#2 Mccoy Walter E 1

Latest patents

Publication Filing date Title
US2146843A Insulation for meter troughs
US1299602A Service-switch.
US1146593A Sealing device.
US1040573A Locking device.
US1014252A Sealing device.
US993099A Meter connection-block.
US984238A Switch.
US978636A Meter-connection block.
US999851A Electric switch.
US999850A Locking device.
US993098A Service terminal block.
US961313A System of electrical distribution.
US780222A Electric-lighting system.