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SMITH ENGINEERING WORKS

Overview
  • Total Patents
    74
About

SMITH ENGINEERING WORKS has a total of 74 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, chemical engineering and mechanical elements are OKUYA YASUAKI, SYMONS BROTHERS COMPANY and COMCORP INC.

Patent filings in countries

World map showing SMITH ENGINEERING WORKSs patent filings in countries
# Country Total Patents
#1 United States 44
#2 Canada 14
#3 United Kingdom 11
#4 France 3
#5 Germany 2

Patent filings per year

Chart showing SMITH ENGINEERING WORKSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rumpel Harvey H 41
#2 Munro Alexander L 11
#3 Smith Charles F 7
#4 Rumpel Harvey Henry 6
#5 Sanborn Eugene L 3
#6 Herman Littlewood 1
#7 Mcmanamen John J 1
#8 Smith Harold E 1
#9 Thiele Arthur C 1
#10 Smith Thomas L 1

Latest patents

Publication Filing date Title
GB826606A Gyratory crusher concave adjustment
GB845828A Jaw crusher lubrication
US2975865A Jaw crusher lubrication
GB816549A Wear plate assembly for jaw crusher
US2881981A Gyratory crusher concave adjustment
US2828925A Wear plate assembly for jaw crusher
US2747804A Gyratory crusher concave adjustment
GB702318A Gyratory crusher
US2668015A Adjustment structure for concaves of gyratory crushers
GB681979A Gyratory crusher
US2687257A Gyratory crusher
GB668492A Gyratory crusher
US2598942A Jaw crusher with side thrust absorbing bearings
US2634061A Gyratory crusher
US2590795A Gyratory crusher
GB641911A Improvements in gyratory crushers
GB645064A Improvements in vibratory assemblages
GB646795A Improvements in gyratory crushers
US2468342A Gyratory crusher with wedge secured bowl liner
US2428887A Apron type feeder