Learn more

ASSELIN JAMES H

Overview
  • Total Patents
    15
About

ASSELIN JAMES H has a total of 15 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering are PAGANELLI SPA, BLUMENTHAL HELMUTH and HART FRANK BROOKS.

Patent filings in countries

World map showing ASSELIN JAMES Hs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 5

Patent filings per year

Chart showing ASSELIN JAMES Hs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Machines for making railways

Top inventors

# Name Total Patents
#1 Asselin James H 15

Latest patents

Publication Filing date Title
US2597697A Rail guard
US2557494A Rail brace
US2539529A Rail crossing
US2426138A Rail brace
US2426137A Rail brace
US2419701A Rail brace
US2132008A Railway crossing
US1773251A Rail-crossing structure
US1490410A Hard center for rail crossings, frogs, and like track structures
US1452019A Tongue switch and mate for railways
CA308228A Rail crossing
CA456256A Rail brace
CA451281A Rail brace
CA450790A Rail brace
CA383612A Railway crossing