| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | United Kingdom | 2 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Unspecified technologies | |
| #3 | Shafts | |
| #4 | Capacitors and switching devices | |
| #5 | Electric switches | |
| #6 | Electric motor controls |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yost Norman S | 4 |
| #2 | Sinnett John B | 2 |
| #3 | Mcdermott Leon A | 1 |
| #4 | Albert Ralph K | 1 |
| #5 | Norton Charles F | 1 |
| #6 | Barr John M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2164667A | Motor switch | |
| US2157191A | Method of and means for cooling motors | |
| US2029550A | Condenser | |
| US2013821A | Electric motor | |
| GB421595A | Improvements in or relating to electric motors | |
| US2018500A | Condenser | |
| US1972966A | Electric motor | |
| US1828724A | Alternating current motor | |
| US1730896A | Bearing for shafts | |
| US1368998A | Bearing | |
| CA330540A | Alternating current motor |