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BIGNELL EDWARD

Overview
  • Total Patents
    25
About

BIGNELL EDWARD has a total of 25 patent applications. Its first patent ever was published in 1911. It filed its patents most often in United States, Canada and Spain. Its main competitors in its focus markets civil engineering are BLADE OFFSHORE SERVICES LTD, SAMILENC and SHANGHAI CHENGDI CONSTRUCTION CO LTD.

Patent filings in countries

World map showing BIGNELL EDWARDs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 6
#3 Spain 4
#4 United Kingdom 3
#5 Austria 2
#6 Denmark 2

Patent filings per year

Chart showing BIGNELL EDWARDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Foundations and excavations
#2 Earth drilling

Top inventors

# Name Total Patents
#1 Bignell Edward 21
#2 Fowler Le Roy J 1

Latest patents

Publication Filing date Title
CA186306A Nut lock
GB191417888A Improvements in Piles, Caissons and the like.
US1185582A Pile.
GB191317797A Improvements in and relating to the Sinking of Piles, Caissons and the like.
CA145714A Caisson
CA146175A Pile foundation
US1066984A Caisson construction.
US1084063A Means for forming underground footings for piles and caissons.
GB191210196A Concrete Piling.
CA143208A Concrete piling
US1026144A Concrete piling.
CA143549A Piling construction
US1024822A Sheet-piling.
US1024823A Self-sinking caisson.
US1024821A Caisson construction.
US1024820A Piling construction.
CA18181A Locomotive ash pan