Material for locating gas leak, method for locating gas leak, material for repairing gas leak, method for repairing gas leak, and device for repairing gas leak
US-12492268-B2 · Dec 9, 2025 · US
by using materials which fill a space around the pipe before hardening
by using materials which fill a space around the pipe before hardening · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16L55/175 |
| Official title | by using materials which fill a space around the pipe before hardening |
| Display label | by using materials which fill a space around the pipe before hardening |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and device for sampling pressure barrier of flexible pipes
US-12474235-B2 · Nov 18, 2025 · US
Assembly to Form a Seal on a Conduit
US-2025347363-A1 · Nov 13, 2025 · US
Assembly to form a seal on a conduit
US-12467558-B1 · Nov 11, 2025 · US
Method and apparatus for temporary sealing of flange leaks on industrial pipelines
US-2025237340-A1 · Jul 24, 2025 · US
Outer sheath repair system and related methods for flexible pipe
US-2025137569-A1 · May 1, 2025 · US
Systems and methods for pipe repair using rapid sintering
US-2025116364-A1 · Apr 10, 2025 · US
Damaged accelerator cooling
US-2025067380-A1 · Feb 27, 2025 · US
Self-healing composite wrap systems and methods
US-2024309982-A1 · Sep 19, 2024 · US
Robotic tools for tubulars repair
US-12078278-B2 · Sep 3, 2024 · US
Sealant injection system for scraper trap door
US-12066138-B2 · Aug 20, 2024 · US
Oil leakage repairing material, oil leakage repairing method, and pipe
US-11976769-B2 · May 7, 2024 · US
Method and device for sampling pressure barrier of flexible pipes
US-2023204466-A1 · Jun 29, 2023 · US
Material for locating gas leak, method for locating gas leak, material for repairing gas leak, method for repairing gas leak, and device for repairing gas leak
US-2023113758-A1 · Apr 13, 2023 · US
Robotic tools for tubulars repair
US-2023113354-A1 · Apr 13, 2023 · US
Clamp on seal for water leaks
US-11598472-B2 · Mar 7, 2023 · US
Clamp on seal for water leaks
US-2022333716-A1 · Oct 20, 2022 · US
Multi-layer pipe tubing repair systems and methods
US-11199287-B1 · Dec 14, 2021 · US
Machine and method for repairing a pipeline in a body of water
US-11168811-B2 · Nov 9, 2021 · US
Repair system and method
US-11079059-B1 · Aug 3, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L55/175?
- CPC F16L55/175 is the Cooperative Patent Classification code for “by using materials which fill a space around the pipe before hardening.”
- How many patents are filed under CPC F16L55/175 (by using materials which fill a space around the pipe before hardening)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC F16L55/175 growing?
- Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).