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PATENALL FRANK P J

Overview
  • Total Patents
    11
About

PATENALL FRANK P J has a total of 11 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States. Its main competitors in its focus markets transport and civil engineering are FEI XU, DUTTON SAMUEL TELFORD and JACQUES PIERRE DE BRAAM.

Patent filings in countries

World map showing PATENALL FRANK P Js patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing PATENALL FRANK P Js patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Civil engineering

Focus technologies

# Technology
#1 Guiding railway traffic
#2 Machines for making railways

Top inventors

# Name Total Patents
#1 Patenall Frank P J 11
#2 Dryden George H 4

Latest patents

Publication Filing date Title
US1175076A Semaphore.
US1117899A Railroad signaling.
US851692A Automatic block-signal system.
US830522A Apparatus for moving railway switches and signals.
US801543A Railway-signal.
US791574A Automatic railroad signaling.
US802592A Railway-signal-operating mechanism.
US802590A Railway-signal-operating mechanism.
US802589A Railway-signal-operating mechanism.
US802591A Railway-signal-operating mechanism.
US787393A Signal system and apparatus therefor.