| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Control | |
| #3 | Audio-visual technology | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Systems controlling non-electric variables | |
| #3 | Time tables | |
| #4 | Special information storage | |
| #5 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brobeck William M | 15 |
| #2 | Lofgren Edward J | 1 |
| #3 | Dorward Jr John G | 1 |
| #4 | Thornton Robert L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5261173A | Automatic calendar | |
| US3069171A | Phonograph record player and changer | |
| US2883541A | Ion producing mechanism | |
| US2606573A | Adjustable venturi assembly | |
| US2584541A | Variable-speed transmission | |
| US2901621A | Calutron face plate | |
| US2890340A | Calutron | |
| US2882410A | Ion source | |
| US2888565A | Calutron | |
| US2875339A | Calutron ion source | |
| US2873376A | Ion producing mechanisms | |
| US2851609A | Ion producing mechanism | |
| US2736808A | Ion producing mechanism | |
| US2848619A | Ion source unit for a calutron | |
| US2737589A | Ion source for a calutron |