FRITZ KESSELRING has a total of 13 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, engines, pumps and turbines and machines are GEORGE POLLARD DENNIS, GREENHUT JOSEPH and VNI PK I T I VZRYVOZASCHI.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 13 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Engines, pumps and turbines | |
#3 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Fritz Kesselring | 13 |
#2 | Werner Kaufmann | 2 |
#3 | Wilhelm Puttfarcken | 2 |
#4 | Friedrich Gieffers | 2 |
#5 | Maroel Zuhlke | 1 |
#6 | Hermann Neugebauer | 1 |
#7 | Robert Schlmpf | 1 |
Publication | Filing date | Title |
---|---|---|
US2619563A | Electromagnetic control device | |
US2619628A | Converter with electromagnetic switches | |
US2338946A | Device for interrupting overloads | |
US2359563A | Device for controlling power circuits | |
US2387589A | Circuit breaker | |
US1755737A | Lamp shade | |
US1724941A | Starting device for internal-combustion engines | |
US1670581A | Continuous-current variable-speed machine | |
US1626199A | Dynamo-electric machine | |
US1389051A | Continuous-current dynamo | |
US1346213A | Continuous-current dynamo |