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ALEXANDER SPENCER

Overview
  • Total Patents
    49
About

ALEXANDER SPENCER has a total of 49 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets transport, machines and mechanical elements are NAT MALLEABLE & STEEL CASTINGS, MURRAY GEORGE C and BUCKEYE MALLEABLE IRON AND COUPLER COMPANY.

Patent filings in countries

World map showing ALEXANDER SPENCERs patent filings in countries
# Country Total Patents
#1 United Kingdom 35
#2 France 7
#3 United States 6
#4 Australia 1

Patent filings per year

Chart showing ALEXANDER SPENCERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Spencer Alexander 7
#2 Alexander Spencer 7
#3 Thomson Glascodine Richard 1

Latest patents

Publication Filing date Title
GB455741A Improvements in and relating to central buffing and draw gear
GB454184A Improvements in and relating to central buffing and draft gear
GB438650A Improvements in and relating to pinching apparatus for railway vehicles and the like
GB434309A Improvements in and relating to rolling stock
GB428966A Improvements in and relating to central buffing and draw gear for railway vehicles
GB423966A Improvements in and relating to india-rubber springs
GB371309A Improvements in or relating to buffers for railway and like vehicles
GB336090A Improvements in or relating to railway and the like vehicles
GB338264A Improvements in central buffing and draw gear
GB332099A Improvements in buffing and draw gear for railway and like vehicles
GB337010A Improvements in central buffing and draw gear for railway and the like vehicles
GB329870A Improvements in buffing and draw gear for railway and like vehicles
US1890795A India-rubber spring
GB326376A Improvements in india-rubber springs
GB327446A Improvements in central buffing and draw gear for railway and like vehicles
GB320669A Improvements in hot water feeding for locomotive boilers
GB303972A Improvements in or relating to railway and the like vehicles
GB295085A Improvements in or relating to booster engines or motors for locomotives
GB292742A Improvements in or relating to locomotives
GB288401A Improvements in bogies for railway and the like vehicles