Nicolae Covalenco

1. Covalenco N. , Adamenco A. Axial electrical pump, A.C. USSR No945498 , F04D 3/00
2. Covalenco N. , Adamenco A. Electrical drive for multispeps axial pump, A.C. USSR No708477 , F04D 3/00
3. Covalenco N. , Adamenco A. Axial pump, A.C. USSR No1037709 , F04D 3/00
4. Covalenco N. , Adamenco A. Axial pump, A.C. USSR No1110244 , F04D 3/00
5. Covalenco N. , Adamenco A. Axial pump, A.C. USSR No747217 , F04D 3/00
6. Covalenco N. , Adamenco A., Sobor I. Axial electrical pump, A.C. USSR No1645636 , F04D 3/00
7. Covalenco N. , Adamenco A.Closed draining-moistening system A.C. USSR No917800
8. Covalenco N. , Volentiri I and other Liqiud sprayer, A.C. USSR No1613179
9. Covalenco N. , Volentiri I Hidraulic seeds drilling aparatus, A.C. USSR No1507234
10. Covalenco N. , Volentiri I and other Liqiud sprayer, A.C. USSR No11577853
11. Covalenco N. , Luchianov V., Bolun A. agricaltural bridge, A.C. USSR No1653564
12. Covalenco N., Solar, Patent of Moldova No 2802
13. Covalenco N. Ilmination system, Recognized as Patent of Moldova
14. Covalenco N. Divice for obtaining images via optical fibers (versions), Recognized as Patent of Moldova
15. Covalenco N. Fiber optical display, Patent pending of Moldova
16. Covalenco N.Volumetric cinema, Patent pending of Moldova
17. Covalenco N., Covalenco N. Virtual reality simulator, Patent pending of Moldova
18. Covalenco N., Covalenco N.Threedimentional device illuminated signage, Patent of Moldova 5902
19. Covalenco N., Covalenco N.LED cooller, Patent pending of Moldova