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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 37 | |
#2 | Germany | 3 | |
#3 | Canada | 2 | |
#4 | France | 2 |
# | Industry | |
---|---|---|
#1 | Engines, pumps and turbines | |
#2 | Electrical machinery and energy | |
#3 | Measurement | |
#4 | Machines |
# | 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 |
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. |