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VAUGHAN DAVID F

Overview
  • Total Patents
    31
About

VAUGHAN DAVID F has a total of 31 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering, packaging and shipping and machine tools are P & M CO, STREIT ALBERT PAUL and IND ARTE TECNICA SA.

Patent filings in countries

World map showing VAUGHAN DAVID Fs patent filings in countries
# Country Total Patents
#1 United States 31

Patent filings per year

Chart showing VAUGHAN DAVID Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Vaughan David F 31
#2 Vaughan David L 2
#3 Vaughan Charles Z 1

Latest patents

Publication Filing date Title
US1565534A Rail anchor
US1396481A Spool
US1342194A Combined tie-plate and rail-brace
US1273291A Switch-heating device.
US1276457A Anticreeper for railroad-rails.
US1260603A Tamping-tool.
US1260602A Tamping-tool.
US1216256A Anticreeper for railroad-rails.
US1180891A Anticreeper for railroad-rails.
US1180890A Anticreeper for railroad-rails.
US1180889A Anticreeper for railroad-rails.
US1099524A Anticreeper for railroad-rails.
US1099525A Anticreeper for railroad-rails.
US1244145A Anticreeper for railroad-rails.
US1021388A Anticreeper for railroad-rails.
US1045645A Guard-rail clamp.
US1021387A Anticreeper for railroad-rails.
US923388A Anticreeping device for railroad-rails.
US944706A Jack.
US897037A Anticreeping device for railroad-rails.