| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Bulgaria | 18 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Aleksandrov Dobromir Kh | 15 |
| #2 | Jorgov Jonko S | 2 |
| #3 | Ivanova Dora A | 1 |
| #4 | Antonova Radka M | 1 |
| #5 | Todorov Milko A | 1 |
| #6 | Mladenov Mladen A | 1 |
| #7 | Kostadinova Ivanka S | 1 |
| #8 | Dzhelatov Todor I | 1 |
| #9 | Vaklinov Minko N | 1 |
| #10 | Todorova Magdalena D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BG51547A1 | Multyple-speed mechanical gear box | |
| BG51546A1 | Coaxial gear box | |
| BG51428A1 | Planetary electric motor | |
| BG50492A3 | Chess game | |
| BG50984A1 | Meshing device | |
| BG51192A1 | Transmission drive | |
| BG50792A1 | Power hydraulic cylinder | |
| BG50794A1 | Hydrotransformer | |
| BG48607A1 | Fluidal propeller | |
| BG48006A1 | Method for increase in braking efficincy | |
| BG47241A1 | Driving device | |
| BG46738A1 | Electric holder for electric arc furnaces | |
| BG46558A1 | Hydrotransmission | |
| BG47074A1 | Composition for moulding cores | |
| BG46341A1 | Form mixture | |
| BG46241A1 | Safety valve | |
| BG46108A1 | Synchronizing gear | |
| BG45684A1 | Starting device |