- Patent and Certification
Patent 10-0778430
- Name of invention
- Pipe cleaning equipment and cleaning method
- Registration date
- November 15, 2007
Patent 10-1305485
- Name of invention
- Pipe cleaning equipment
- Registration date
- September 02, 2013
Patent 10-1459586
- Name of invention
- Sea Pipe Cleaning Unit
- Registration date
- November 3, 2014
