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10 inventors (with patents filed for the assignee):

Hongyuan Fang (9 out of 21 patents)

Yanhui Pan (9 out of 19 patents)

Peng Zhao (9 out of 22 patents)

4. Fuming Wang (9 out of 24 patents)

5. Bin Li (4 out of 14 patents)

6. Hang He (4 out of 7 patents)

7. Chengchao Guo (2 out of 10 patents)

8. Xianfeng Zhao (2 out of 8 patents)

9. Yingli Wang (2 out of 4 patents)

10. Lei Wang (1 out of 36 patents)

9 patents: Sort by Forward Citations

1. 11585467 - Trenchless methods for forming curved hole channel with steel sleeve and pipeline lifting (2023-02-21),

2. 11473713 - Trenchless integrative repair method for concrete drainage pipeline with cracking, corrosion and subsidence (2022-10-18),

3. 11346487 - Support tool and back-pressure grouting device for leakage repair of inspection well and repair method thereof (2022-05-31),

4. 11319690 - Assembled recyclable rectangular working well with preset detachable door opening and construction method thereof (2022-05-03),

5. 11231139 - Detecting and repairing method for external diseases of buried drainage pipeline (2022-01-25),

6. 11149400 - Thin-slotting lifting synchronous grouting device and its usage method (2021-10-19),

7. 11149399 - Track-type jet grouting integrated system (2021-10-19),

8. 11143027 - Rectangular working well with preset pipe jacking hole and sliding back wall in water-rich stratum and construction method thereof (2021-10-12),

9. 11104612 - Rapid-hardening underground pipeline grouting repair polymer and preparing method (2021-08-31),

The Infrastructure Renewal Institute of Southern China is a leading organization dedicated to promoting sustainable infrastructure development in the region. With a focus on research, education, and advocacy, our institute works to improve the quality and efficiency of transportation, water, energy, and other critical infrastructure systems. Through collaboration with government agencies, industry partners, and academic institutions, we strive to build a more resilient and environmentally friendly infrastructure network for future generations.

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USPTO Data Jan 1 1976 - Dec 2 2025

9 Patents

#108 in Guangdong

#2,712 in China

Guangdong, China

Infrastructure Renewal Institute of Southern China