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CAMPBELL FREDERICK WILLIAM

Overview
  • Total Patents
    23
About

CAMPBELL FREDERICK WILLIAM has a total of 23 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United Kingdom and Switzerland. Its main competitors in its focus markets civil engineering, thermal processes and electrical machinery and energy are SHINGIJUTSU KAIHATSU KK, YAMAHA KAKO KENSETSU KK and YAMAGUCHI KIKAI KOGYO KK.

Patent filings in countries

World map showing CAMPBELL FREDERICK WILLIAMs patent filings in countries
# Country Total Patents
#1 United Kingdom 22
#2 Switzerland 1

Patent filings per year

Chart showing CAMPBELL FREDERICK WILLIAMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Campbell Frederick William 22
#2 Leighton John Murray 1
#3 Frederick William Campbell 1

Latest patents

Publication Filing date Title
GB119148A Improvements relating to Concrete Piles.
GB120449A Means for Economising Fuel in Domestic Ranges.
GB115985A Improvements relating to Concrete Piles.
GB104093A Improvements in or relating to Mops.
GB191503633A Improvements in and relating to Incandescent Gas Burners.
GB191501537A Improvements relating to Incandescent Gas Burners.
GB191404552A Improvements in Incandescent Mantles.
GB191329806A Improvements in and relating to Reinforced Concrete Piles.
GB191328258A Improvements in or relating to Incandescent Gas Burners or Mantles.
GB191103937A Improvements in Removable Cores for Forming Hollow Piles, Columns and the like and for Forming Holes in Concrete Structures generally.
GB191100679A Improvements in and in connection with Concrete Piles and the like.
GB190826091A Improvements in or relating to Concrete Piles and the like.
GB190800166A Improvements in or relating to Concrete Piles and the like.
GB190726495A Improvements in or relating to Concrete Pile and the like.
GB190712866A Improvements in Concrete and other Piling.
GB190704392A Improvements in Concrete and other Piles and the like.
GB190700744A Improvements in Concrete or other Piling and the like.
GB190629613A Improvements connected with Concrete or Concrete and Timber Piling and the like.
GB190629612A Improvements in Concrete and other Piling.
GB190627327A An Improved Method of Driving the Piles used in Concrete Piling.