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DAYTON ENGINEERING LAB CO

Overview
  • Total Patents
    44
About

DAYTON ENGINEERING LAB CO has a total of 44 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United States, Germany and Canada. Its main competitors in its focus markets engines, pumps and turbines, electrical machinery and energy and measurement are BELL JOHN DALRYMPLE, L BLERIOT DES ETS and VARLEY RICHARD.

Patent filings in countries

World map showing DAYTON ENGINEERING LAB COs patent filings in countries
# Country Total Patents
#1 United States 37
#2 Germany 3
#3 Canada 2
#4 France 2

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kettering Charles F 32
#2 Chryst William A 5
#3 Hunt John Herman 1
#4 Phillips Harvey E 1
#5 Kiefer James H 1
#6 Macnab Forrest B 1
#7 Anderson William P 1
#8 Maree Robert S De 1

Latest patents

Publication Filing date Title
DE370184C Starting device for internal combustion engines
DE344175C Speedometer for vehicles and like
US1241990A Engine-starting device.
US1225820A Electric switch.
US1229754A Electric machine.
US1249481A Hinding-post.
US1172221A System of electrical distribution and control.
US1211378A System of selective electrical distribution.
US1233370A Control for electrical systems.
US1240348A Engine-starting device.
US1168371A Circuit-controller.
US1231265A Control for electrical systems.
US1154025A Electric meter.
US1233369A Ignition system.
US1191083A Electric machine.
US1196243A Engine-starting device.
US1224856A Electrical connection.
US1190175A Ignition system.
US1230172A Automatic circuit-controlling device.
US1223180A Ignition system.