Learn more

RAILROAD DYNAMICS INC

Overview
  • Total Patents
    13
About

RAILROAD DYNAMICS INC has a total of 13 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Canada, United States and Australia. Its main competitors in its focus markets transport are SCHEFFEL HERBERT, HERMANN KLEIN & SOEHNE G M B H and BREL LTD.

Patent filings in countries

World map showing RAILROAD DYNAMICS INCs patent filings in countries
# Country Total Patents
#1 Canada 2
#2 United States 2
#3 Australia 1
#4 Belgium 1
#5 Brazil 1
#6 Germany 1
#7 France 1
#8 Japan 1
#9 Portugal 1
#10 Romania 1
#11 South Africa 1

Patent filings per year

Chart showing RAILROAD DYNAMICS INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport

Focus technologies

# Technology
#1 Rail vehicle suspensions

Top inventors

# Name Total Patents
#1 Schwam Stuart A 6
#2 Hawthorne V 3
#3 Schwam S 3
#4 Schwam Stuart Alan 2
#5 Hawthorne Vaughn Terrey 2
#6 Hawthorne Vaughn T 2
#7 Hawthorne V Terrey 2
#8 Suchiyuaato Ei Shiyuwamu 1
#9 Bui Terii Hoosoon 1

Latest patents

Publication Filing date Title
US4244298A Freight car truck assembly
US3874307A Hydraulic bolster dampening device