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Patents Grantslast 30 patents

Information Patent Grant
Trenchless multi-stage pipe cleaning device and method combining ar...
- Patent number 12,285,784
- Issue date Apr 29, 2025
- SHIJIAZHUANG TIEDAO UNIVERSITY
- Jiwei Wen
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
TRENCHLESS MULTI-STAGE PIPE CLEANING DEVICE AND METHOD COMBINING AR...
- Publication number 20250108413
- Publication date Apr 3, 2025
- SHIJIAZHUANG TIEDAO UNIVERSITY
- Jiwei WEN
- B08 - CLEANING