Spiral membrane element
US-2019255487-A1 · Aug 22, 2019 · US
Specific properties of the central tube or the permeate channel · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D63/107 |
| Official title | {Specific properties of the central tube or the permeate channel} |
| Display label | Specific properties of the central tube or the permeate channel |
| Total patents | 175 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 12 |
| 2017 | 18 |
| 2018 | 18 |
| 2019 | 27 |
| 2020 | 21 |
| 2021 | 18 |
| 2022 | 18 |
| 2023 | 6 |
| 2024 | 11 |
| 2025 | 13 |
| 2026 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2019255487-A1 · Aug 22, 2019 · US
US-2019247794-A1 · Aug 15, 2019 · US
US-2019001274-A1 · Jan 3, 2019 · US
US-10159936-B2 · Dec 25, 2018 · US
US-10159942-B2 · Dec 25, 2018 · US
US-2018361318-A1 · Dec 20, 2018 · US
US-10155203-B2 · Dec 18, 2018 · US
US-10137416-B2 · Nov 27, 2018 · US
US-2018318768-A1 · Nov 8, 2018 · US
US-10092880-B2 · Oct 9, 2018 · US
US-2018280888-A1 · Oct 4, 2018 · US
US-2018250637-A1 · Sep 6, 2018 · US
US-2018185784-A1 · Jul 5, 2018 · US
US-2018178166-A1 · Jun 28, 2018 · US
US-10005024-B2 · Jun 26, 2018 · US
US-2018141005-A1 · May 24, 2018 · US
US-2018133654-A1 · May 17, 2018 · US
US-2018126328-A1 · May 10, 2018 · US
US-2018043288-A1 · Feb 15, 2018 · US
US-9861938-B2 · Jan 9, 2018 · US
Answers are generated from the same data shown on this page.