| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 19 | |
| #2 | France | 2 | |
| #3 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport | |
| #5 | Environmental technology | |
| #6 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mudge Charles A | 5 |
| #2 | Pfatischer Mathias | 4 |
| #3 | Trudeau John F | 3 |
| #4 | Edward Heitman | 2 |
| #5 | Bedell Charles H | 2 |
| #6 | Bonine Charles Edward | 1 |
| #7 | Hans Hochreiner | 1 |
| #8 | Balderston David N | 1 |
| #9 | Morton Arendt | 1 |
| #10 | Karl Engelhardt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1922317A | Commutator | |
| US1929755A | Electrical machinery | |
| US1929787A | Pole piece | |
| US1719407A | Dynamo cleaning and cooling device | |
| US1788023A | Punching device | |
| US1820531A | Dynamo-electric machine construction | |
| US1612828A | Electrical machine | |
| US1561076A | Journal bearing and housing | |
| US1572287A | Bearing cap | |
| US1366629A | Lighting vehicles | |
| US1397122A | Generator suspension | |
| US1026900A | Apparatus for regulating dynamo-electric machines. | |
| US869102A | Dynamo-electric machine. | |
| US1010216A | Dynamo-electric machine. | |
| US856414A | Dynamo-electric machine. | |
| US870313A | Dynamo-electric machine. | |
| US1047158A | Dynamo-electric machine. | |
| US769916A | Telemotor for steering ships or other uses. | |
| US671489A | Booster-crusher. |