|
Warren Telechron Patents
Henry E. Warren was issued many
patents for battery driven clocks, synchronous electric clock systems,
clock motors, movements, etc. Some selected ones are listed here.
|
Synchronous Motor Patents
|
|
Patent Number
|
Issue Date
|
Filing Date
|
Title
|
Summary
|
| 1,283,431 |
Oct. 29, 1918 |
Aug. 21, 1916 |
Electric Clock System |
A system of A/C electric clocks, a means
for regulating the generator and comparing it with a separate master
clock, and the type
A motor |
|
1,283,432
|
Oct. 29, 1918
|
Dec. 26, 1916
|
Self-Starting Synchronous Motor
|
Basic motor idea.
|
|
1,283,433
|
Oct. 29, 1918
|
Feb. 5, 1917
|
Self-Starting Synchronous Motor
|
Rotor and stator are in a sealed housing. Rotor can be uncoupled
from load while starting. Synchronizing element can be removed
from maximum influence of magnetic field and then moved into it
when synchronous speed is nearly reached
|
|
1,283,435
|
Oct. 29, 1918
|
Sept. 19, 1918
|
Self-Starting Synchronous Motor
|
Basic layout
of the type A motor.
|
|
1,430,867
|
Oct. 3, 1922
|
Sept. 1, 1920
|
Lubricating system
|
Type B rotor
and its lubrication
|
|
1,456,082
|
May 22, 1923
|
Sept. 1, 1920
|
Motor Drive
|
Type B motor (patent has same drawing as #1,430,867
|
|
1,495,936
|
May 27, 1924
|
April 12, 1922
|
Motor Drive
|
Improvements in type B rotor, especially regarding the lubrication
system
|
|
Power Outage Indicator Patents
|
|
Patent Number
|
Issue Date
|
Filing Date
|
Title
|
Summary
|
|
1.334.423
|
Mar. 23, 1920
|
Jan. 4, 1917
|
Indicator for Electrically Driven Clocks
|
Basic idea for the standard power outage indicator.
|
|
Master Clock Patents
|
|
Patent Number
|
Issue Date
|
Filing Date
|
Title
|
Summary
|
|
1,502,493
|
July 22, 1924
|
April 15, 1918
|
Time Indicating Apparatus
|
Type A Master Clock
|
| 1,502,494 |
July 22, 1924 |
April 2, 1920 |
Time Indicating Apparatus |
Type B Master Clock |
Top of Page
|
