| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Argentina | 1 | |
| #2 | Austria | 1 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Germany | 1 | |
| #8 | Denmark | 1 | |
| #9 | Spain | 1 | |
| #10 | France | 1 | |
| #11 | United Kingdom | 1 | |
| #12 | Ireland | 1 | |
| #13 | Israel | 1 | |
| #14 | Italy | 1 | |
| #15 | Japan | 1 | |
| #16 | Republic of Korea | 1 | |
| #17 | Mexico | 1 | |
| #18 | Netherlands | 1 | |
| #19 | Norway | 1 | |
| #20 | Sweden | 1 | |
| #21 | United States | 1 | |
| #22 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Electric motor controls | |
| #2 | Dynamo-electric machines | |
| #3 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wanlass Cravens Lamar | 4 |
| #2 | Wanlass C L | 2 |
| #3 | Wanlass Cravens L | 2 |
| #4 | Wanlass C | 2 |
| #5 | Kureibunsu Ramaa Wanrasu | 1 |
| #6 | Lamar Wanlass Cravens | 1 |
| #7 | Cravens L W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR830000562A | Controlled torque motor | |
| US4063135A | Electric motor having controlled magnetic flux density |