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ELFBORG HENRY G

Overview
  • Total Patents
    12
About

ELFBORG HENRY G has a total of 12 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, transport and machines are DT VYHYBKARNA A STROJIRNA A S, ABC RAIL PRODUCTS CORP and VAE NORTRAK NORTH AMERICA INC.

Patent filings in countries

World map showing ELFBORG HENRY Gs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing ELFBORG HENRY Gs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Elfborg Henry G 12

Latest patents

Publication Filing date Title
US1176280A Rail-anchor.
US1088975A Guard-rail.
US1135272A Guard-rail.
US1018102A Railway-rail.
US979479A Railway-crossing.
US940864A Railway-frog.
US940863A Railway-frog.
US791460A Switch-rod mechanism.
US768591A Switch-rod mechanism.
US768592A Switch-rod mechanism.
US806404A Lock-nut.
US640456A Adjustable switch-rod.