| No. |
New Practical Patent |
Patent No. |
Certificate No. |
| 1 |
Excavator cab(Exterior) |
ZL 02 3 36040.2 |
313220 |
| 2 |
Feed circuit for the slewing for hydraulic excavator |
ZL 2008 2 0096771.5 |
1276152 |
| 3 |
Electric suction system for steel grab |
ZL 2008 2 0096770.0 |
1277105 |
| 4 |
Hydraulic & electronic integration control system for hydraulic excavator |
ZL 2008 2 0096773.4 |
1276154 |
| 5 |
Hydraulic brake system for wheeled hydraulic excavator |
ZL 2008 2 0096772.X |
1276938 |
| 6 |
Hydraulic excavator main pump with pressure absorption function |
ZL 2008 2 0096768.3 |
1276151 |
| 7 |
Main hydraulic valve of the travel drive system of wheeled hydraulic excavator |
ZL 2008 2 0096769.8 |
1276153 |
| 8 |
Hydraulic crawler excavator(Exterior) |
ZL 2008 3 0107291.X |
1083189 |
| 9 |
Dual-motor drive housing for the travel of hydraulic excavator |
ZL 2008 2 0096887.9 |
1291165 |
| 10 |
Slewing reducer for hydraulic excavator |
ZL 2008 2 0096888.3 |
1315478 |
| 11 |
Leaf spring shock absorber for wheeled hydraulic excavator |
ZL 2008 2 0096889.8 |
1315475 |
Practical
