Method for manufacturing tank and manufacturing device thereof
US-12036753-B2 · Jul 16, 2024 · US
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by winding helically
by winding helically · 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 | B29C63/32 |
| Official title | by winding helically |
| Display label | by winding helically |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pipe-forming apparatus for spiral pipe and pipe-forming method thereof
US-11602884-B2 · Mar 14, 2023 · US
Method for manufacturing tank and manufacturing device thereof
US-2023060650-A1 · Mar 2, 2023 · US
Strip member for spiral pipe and rehabilitation method of existing pipe
US-11473714-B2 · Oct 18, 2022 · US
Pipe-forming apparatus for spiral pipe and pipe-forming method thereof
US-11383427-B2 · Jul 12, 2022 · US
Pipe-forming apparatus for spiral pipe and pipe-forming method thereof
US-11148352-B2 · Oct 19, 2021 · US
Pipe-making apparatus and pipe-making method
US-11015757-B2 · May 25, 2021 · US
Pipe-forming apparatus for spiral pipe and pipe-forming method thereof
US-2021129418-A1 · May 6, 2021 · US
Pipe-forming apparatus for spiral pipe and pipe-forming method thereof
US-2021129417-A1 · May 6, 2021 · US
Pipe-making apparatus and pipe-making method for spiral pipe
US-10920918-B2 · Feb 16, 2021 · US
Apparatus for forming curls
US-10744702-B2 · Aug 18, 2020 · US
Strip member for spiral pipe and rehabilitation method of existing pipe
US-2019368646-A1 · Dec 5, 2019 · US
Dry liners for pipe repair and methods for manufacturing dry liners
US-2019338880-A1 · Nov 7, 2019 · US
Pipe-forming apparatus for spiral pipe and pipe-forming method thereof
US-2019193324-A1 · Jun 27, 2019 · US
Pipe-making apparatus and pipe-making method
US-2019107240-A1 · Apr 11, 2019 · US
Winding machine
US-10119644-B2 · Nov 6, 2018 · US
Pipe-making apparatus and pipe-making method for spiral pipe
US-2018038541-A1 · Feb 8, 2018 · US
Apparatus for forming curls
US-2017197353-A1 · Jul 13, 2017 · US
Winding machine
US-2017191600-A1 · Jul 6, 2017 · US
Method of rehabilitating existing pipe and support member for rehabilitating pipe
US-2016131278-A1 · May 12, 2016 · US