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OTIS AUTOMATIC TRAIN CONTROL I

Overview
  • Total Patents
    38
About

OTIS AUTOMATIC TRAIN CONTROL I has a total of 38 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets transport and machines are NAT SAFETY APPLIANCE CO, THE UNION SWITCH & SIGNAL COMPANY and DIMETRONIC SA.

Patent filings in countries

World map showing OTIS AUTOMATIC TRAIN CONTROL Is patent filings in countries
# Country Total Patents
#1 United States 13
#2 United Kingdom 11
#3 France 6
#4 Canada 4
#5 Germany 4

Patent filings per year

Chart showing OTIS AUTOMATIC TRAIN CONTROL Is patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Machines

Top inventors

# Name Total Patents
#1 Miller Robert L 7
#2 Bissell Jr David J 6
#3 Bissell David J Jr 4
#4 Kent Otis B 2
#5 Schweitzer George C 1
#6 Kent Otls B 1

Latest patents

Publication Filing date Title
GB215338A Improvements in railroad safety systems
GB227472A Improvements in railroad safety systems
GB215340A Improvement in ramp valve for automatic train control apparatus
GB215339A Improvements in direction valve for automatic train control apparatus
GB215342A Improvements in manually operable valve for automatic train control apparatus
GB215343A Improvements in ramp device for automatic train control apparatus
DE398646C Valve for automatic actuation of the air pressure brake of a train
DE398981C Route ramp for train protection
GB217455A Valve mechanism for automatic train control apparatus
GB209686A Ramp device for automatic train control systems
GB214886A Automatic train control apparatus
GB222245A Automatic train control mechanism
US1513028A Direction valve for automatic train-control apparatus
US1512194A Railroad safety system
US1496762A Ramp device for automatic train-control apparatus
US1515825A Automatic speed-control valve for trains
US1512195A Ramp valve for automatic train-control apparatus
US1474187A Manually-operable valve for automatic train-control apparatus
US1490623A Automatic train-control apparatus
US1482655A Automatic train-control mechanism