Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6981824 | Sling-traverse device for massive object lifting system | — | 2006-01-03 |
| 6843030 | Self-lifting vertically rising mast | — | 2005-01-18 |
| 6808338 | Method and system for lifting of the massive constructions | — | 2004-10-26 |
| 6669038 | Self-propelled crane | — | 2003-12-30 |
| 6543331 | Hydraulic lifting device | — | 2003-04-08 |
| 6478172 | Portable lifting device | — | 2002-11-12 |
| 6375242 | Load clipping device for crane | — | 2002-04-23 |
| 6368022 | Lifting system for massive constructions | — | 2002-04-09 |
| 5829255 | System and method for direct-contact condensation with condensate in steam-turbine power plants evaporators | Roman E. Sitnyakovsky | 1998-11-03 |