media and content

특허 현황

Patent Status 크레웍스의 현재 특허현황에 대해 설명합니다.

Introduction of holding technology

- Ash Melting Device [Registratio

- Method of making mineral fibers utilizing Fly Ash [Registration]

- Artificial reefs and their manufacturing methods using Ash [patent source]

- Fabrication of Artificial Shell with Bottom Ash and its Manufacturing Method