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BLUNT JAMES G

Overview
  • Total Patents
    130
About

BLUNT JAMES G has a total of 130 patent applications. Its first patent ever was published in 1873. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, engines, pumps and turbines and machines are BALTIMORE JOURNAL BOX COMPANY, T H SYMINGTON AND SON INC and HENNESSY JAMES J.

Patent filings in countries

World map showing BLUNT JAMES Gs patent filings in countries
# Country Total Patents
#1 United States 77
#2 Canada 53

Patent filings per year

Chart showing BLUNT JAMES Gs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Blunt James G 130
#2 Jones Joshua J 2
#3 Clifford Roger W 2
#4 Burnham Harry S 1
#5 Harry Swoyer 1

Latest patents

Publication Filing date Title
US2020099A Locomotive cylinder and cylinder saddle construction
US2025931A Lateral motion dampening device for locomotives
US1946893A Lateral motion cushioning device
US1911791A Journal box
US1922876A Lateral motion resisting device
US1893194A Fluid pressure articulated conduit
US1907485A Locomotive valve gear and operating mechanism therefor
US1901019A Brake mechanism
US1920348A Railroad truck centering device
US1861949A Locomotive boiler support
US1809399A Locomotive
US1807334A Locomotive structure
US1916201A Frame cross-tie and apparatus supporting structure for locomotives
US1832276A Means for supporting locomotive auxiliaries
US1778749A Crosstie structure for locomotive side frames
US1820373A Throttle valve operating mechanism
US1814074A Throttle valve operating mechanism
US1756480A Locomotive bumper bracket
US1798131A Steam-pipe arrangement for single-expansion articulated steam locomotives
US1757701A Locomotive trailing truck