Securing polymer liners within pipes
US-12097653-B2 · Sep 24, 2024 · US
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of internal surfaces
of internal surfaces · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B29C63/46 |
| Official title | of internal surfaces |
| Display label | of internal surfaces |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Securing Polymer Liners within Pipes
US-2022212395-A1 · Jul 7, 2022 · US
Method for producing a pipe lined with an inner liner
US-11204111-B2 · Dec 21, 2021 · US
Manufacturing method of high pressure tank
US-2021237367-A1 · Aug 5, 2021 · US
Method for producing a pipe lined with an inner liner
US-2020248844-A1 · Aug 6, 2020 · US
Prosthetic heart valve and delivery apparatus
US-2015157455-A1 · Jun 11, 2015 · US