| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | United Kingdom | 5 | |
| #3 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Mechanical elements | |
| #3 | Measurement | |
| #4 | Machines | |
| #5 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Clutches and brakes | |
| #3 | Unspecified technologies | |
| #4 | Time-interval measuring | |
| #5 | Mechanical control devices | |
| #6 | Pulse technique |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kelleigh Waldo J | 8 |
| #2 | Gilbert Smiley | 2 |
| #3 | Kelleigh Waldo James | 2 |
| #4 | Delano Chauncey L | 1 |
| #5 | Lawson Edwin L | 1 |
| #6 | Farmer Edward B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB752908A | Improvements in or relating to mechanical clutches | |
| GB717554A | Improvements in or relating to actuating mechanisms | |
| US2698370A | Electric switch | |
| GB679596A | Electrical timer | |
| US2610274A | Switch actuating mechanism | |
| US2690246A | Clutch | |
| US2542085A | Electrical timer | |
| US2411086A | Electric switch | |
| GB565297A | Improvements in or relating to electric switches suitable for telephone systems | |
| US2411576A | Electric switch | |
| US2351236A | Electric switch | |
| US2296580A | Electronic timing circuit | |
| CA500914A | Electrical timer | |
| CA534041A | Switch actuating mechanism |