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DUALOC ENGINEERING CO

Overview
  • Total Patents
    16
About

DUALOC ENGINEERING CO has a total of 16 patent applications. Its first patent ever was published in 1945. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets mechanical elements and transport are Ningbo wide sky sks hydraulic co ltd, KABURAGI HISASHI and YBERN MIRO PEDRO.

Patent filings in countries

World map showing DUALOC ENGINEERING COs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 2
#3 Germany 2
#4 France 1
#5 United Kingdom 1
#6 Sweden 1

Patent filings per year

Chart showing DUALOC ENGINEERING COs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Randall Ralph R 7
#2 Schoenrock Otto R 3
#3 Tallakson Carl A 1
#4 Randall R 1
#5 Randall Ralph Russell 1
#6 Tallakson Carl Albert 1

Latest patents

Publication Filing date Title
DE1650663A1 Differential mechanism
DE1086136B Lockable spur gear differential
US2786366A Variable torque distributing differential gearing
US2773723A Braking arrangement for dual wheels with non-torque-equalizing differential means
US2754694A Variable-torque-distributing transmissions
US2789446A Variable-torque distributing transmissions
US2651215A Nontorque-equalizing differential transmission
GB654138A Non-torque-equalizing differential transmission
US2481873A Non-torque-equalizing differential transmission
US2536392A Nontorque equalizing differential
US2479638A Nonequalizing torque differential transmission
US2522193A Nonequalizing-torque differential gearing
CA523424A Non-equalizing torque differential transmissions
CA517810A Non-torque-equalizing differential transmission