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SYMINGTON GOULD CORP

Overview
  • Total Patents
    326
About

SYMINGTON GOULD CORP has a total of 326 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets transport, mechanical elements and machines are GEORGE HARRISON SHEFFIELD, ANDREEV ALEKSANDR ALEKSANDROVICH and CRADDOCK THOMAS FLEWETT.

Patent filings in countries

World map showing SYMINGTON GOULD CORPs patent filings in countries
# Country Total Patents
#1 United States 177
#2 Canada 137
#3 United Kingdom 11
#4 France 1

Patent filings per year

Chart showing SYMINGTON GOULD CORPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Blattner Emil H 123
#2 Barrows Donald S 106
#3 Couch Glenn F 80
#4 Kadel Byers W 6
#5 Townsend Donald L 6
#6 Lusink Clarence I 3
#7 Suckow Frederick G 3
#8 Schulz Theodore R 3
#9 Swan Horace G 2
#10 Vaia George F 2

Latest patents

Publication Filing date Title
US2841295A Universal coupler and yoke connection
US2871801A Quick wheel change truck
US2876911A Draft rigging
US2839341A Journal box wear plate
US2884142A Draft rigging
US2873823A Brake beam supports
US2793853A Package spring group
US2884143A Coupler support
US2806612A Coupler support
US2856078A Railway draft gear
US2850177A Draft structure
US2807375A Resilient coupler carriers
US2828169A Resilient side bearing
GB763858A Improvements in or relating to cushioning units
US2812074A Adjustable coupler carrier
US2801564A Draft key retainer having both deformable and spring retaining means
US2793918A Axle stop for journal boxes
US2847129A Draft mechanism
US2867177A Railway truck
US2791337A Selective travel draft gear