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LAAS EDWARD

Overview
  • Total Patents
    13
About

LAAS EDWARD has a total of 13 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering and agriculture are RAILROAD PERMANENT WAY PRODUCT, HYLE JACOB ALVIN and BLUMENTHAL HELMUTH.

Patent filings in countries

World map showing LAAS EDWARDs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 5

Patent filings per year

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

Focus industries

# Industry
#1 Civil engineering
#2 Agriculture

Focus technologies

# Technology
#1 Machines for making railways
#2 Crop agriculture

Top inventors

# Name Total Patents
#1 Laas Edward 13
#2 Sponenburg Hiram H 6
#3 Sponenburg Hiram Hart 3
#4 Hart Hiram 1
#5 Whitty Robert 1
#6 Sponenburg Hiram 1

Latest patents

Publication Filing date Title
CA153107A Railway track mechanism
US952204A Railway weed-cutter.
US950624A Weed-cutter.
CA97586A Railway rail stay
CA97268A Railway rail stay
CA94380A Railway rail brace
CA88441A Railway rail stay
US779086A Railway-rail stay.
US760129A Railway-rail stay.
US758978A Railway-rail stay.
US757754A Railway-rail stay.
US720362A Railway-rail stay.
US703602A Railway-rail stay.