| 12297876 |
Impact-resistant multi-angle bundle pawl backstop ratchet ring |
— |
2025-05-13 |
| 11848545 |
Automatic opening and closing stripping device for indirect live wire having wire stripping and taping functions, and methods for stripping and taping indirect live wire using same |
— |
2023-12-19 |
| 11717942 |
Manual hydraulic multi-functional extra-high-voltage insulating gear gripper pliers stick for live-wire work and indirect live-wire construction method using pliers stick |
— |
2023-08-08 |
| 11667013 |
Manual hydraulic multi-functional extra-high-voltage insulating gear gripper pliers stick for live-wire work and indirect live-wire construction method using pliers stick |
— |
2023-06-06 |
| 9634470 |
Method of constructing a distribution line using an extra-high voltage neutral line |
— |
2017-04-25 |
| 8079122 |
Spacer jig for replacing spacer damper of overhead power lines and method of replacing spacer damper using the same |
Gap Young Cheong, Hyuek Gi Lee |
2011-12-20 |
| 7980030 |
C-type underbracing having enlarged end portions for installing on utility pole |
— |
2011-07-19 |
| 7814725 |
Method for replacing concrete utility pole without interrupting power supply by adopting pole clamp and pole crusher |
— |
2010-10-19 |
| 7815399 |
Method of mechanized construction for earth wire under-bracing and extendable excavating unit for auger crane |
Dong Hwi Shin, Dong-Hwan Park |
2010-10-19 |
| 7614170 |
Extendable excavating screw unit equipped with hydraulic excavating auxiliary blades |
— |
2009-11-10 |
| 7600947 |
Method for installing an arch-type underbracing on a utility pole for an overhead line by using extendable excavating unit for auger crane |
— |
2009-10-13 |
| 7387294 |
Electric wire changing device for wire replacing works on electric poles and power distributing method without cutting off power supply |
— |
2008-06-17 |
| 7216850 |
Electric wire changing device for wire replacing works on electric poles and power distributing method without cutting off power supply |
— |
2007-05-15 |
| 7007929 |
Electric wire removing roller for LP insulator and power distribution method of construction |
— |
2006-03-07 |