Assignee
INFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA
CN·10 granted patents·1 citations·filing 2019–2020
Top patents by PatentIndex Score
10 records- 0177US11473713B2Trenchless integrative repair method for concrete drainage pipeline with cracking, corrosion and subsidenceINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Oct 18, 2022·1 cites·8 claims
- 0262US11104612B2Rapid-hardening underground pipeline grouting repair polymer and preparing methodINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2019·Granted Aug 31, 2021·0 cites·5 claims
- 0353US11585467B2Trenchless methods for forming curved hole channel with steel sleeve and pipeline liftingINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Feb 21, 2023·0 cites·7 claims
- 0451US11346487B2Support tool and back-pressure grouting device for leakage repair of inspection well and repair method thereofINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted May 31, 2022·0 cites·7 claims
- 0551US11231139B2Detecting and repairing method for external diseases of buried drainage pipelineINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Jan 25, 2022·0 cites·15 claims
- 0649US11149400B2Thin-slotting lifting synchronous grouting device and its usage methodINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Oct 19, 2021·0 cites·8 claims
- 0745US11149399B2Track-type jet grouting integrated systemINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Oct 19, 2021·0 cites·3 claims
- 0844US10907761B2In-service and trenchless repair method for disconnection of drainage pipelineINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Feb 2, 2021·0 cites·16 claims
- 0941US11319690B2Assembled recyclable rectangular working well with preset detachable door opening and construction method thereofINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted May 3, 2022·0 cites·5 claims
- 1041US11143027B2Rectangular working well with preset pipe jacking hole and sliding back wall in water-rich stratum and construction method thereofINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Oct 12, 2021·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when INFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →