INGRAHAM COMPANY has a total of 12 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets measurement, electrical machinery and energy and basic communication technologies are WILLIAM HAYDON ARTHUR, WALTER KOHLHAGEN and AKIMOTO AKITO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | Canada | 3 | |
#3 | United Kingdom | 2 |
# | Industry | |
---|---|---|
#1 | Measurement | |
#2 | Electrical machinery and energy | |
#3 | Basic communication technologies | |
#4 | Machine tools | |
#5 | Machines |
# | Technology | |
---|---|---|
#1 | Dynamo-electric machines | |
#2 | Electromechanical clocks | |
#3 | Mechanically-driven clocks | |
#4 | Turning | |
#5 | Pulse technique | |
#6 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Sidell Philip A | 9 |
#2 | Kaniwec George N | 3 |
#3 | Burgeson Oscar B | 3 |
#4 | Schaffrick William C | 2 |
#5 | Thompson Norman F | 1 |
#6 | Cybulski Edward B | 1 |
Publication | Filing date | Title |
---|---|---|
US3283391A | Apparatus for mass-producing precision parts from longitudinal supply stock | |
US3196604A | Clock with separate day and night dials | |
US3146363A | Electric motor and method of making same | |
US3121815A | Self-starting synchronous motor of high torque output | |
US3027469A | Directional drive control for selfstarting synchronous motors of either starting direction | |
US3034280A | 24-hour time alarm | |
US3004380A | Alarm control for time alarm | |
CA685403A | Self-starting synchronous motor of high torque output | |
CA661509A | Alarm control for time alarm | |
CA732714A | Electric motor and method of making same |