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HOLDEN CHARLES R

Overview
  • Total Patents
    13
About

HOLDEN CHARLES R has a total of 13 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering and machines are COOPER FRANCIS W, PALMER ALPHONSO T and WELLS RALPH J.

Patent filings in countries

World map showing HOLDEN CHARLES Rs patent filings in countries
# Country Total Patents
#1 United States 13

Patent filings per year

Chart showing HOLDEN CHARLES Rs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Machines

Top inventors

# Name Total Patents
#1 Holden Charles R 13

Latest patents

Publication Filing date Title
US1020096A Railway-road-bed construction.
US987988A Railway-road-bed construction.
US968155A Railway-road-bed construction.
US968156A Railway-road-bed construction.
US964515A Railway-tie.
US964516A Railway-road-bed construction.
US964517A Railway-road-bed construction.
US961233A Railway-road-bed construction.
US953089A Railway road-bed construction.
US955645A Reinforced-concrete tie.
US933836A Railway-tie.
US933073A Railway-road-bed construction.
US933074A Railway-road-bed construction.