Method and device for transporting powders
US-12515894-B2 · Jan 6, 2026 · US
Conveying materials in bulk through pipes or tubes by liquid pressure · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B65G53/30 |
| Official title | Conveying materials in bulk through pipes or tubes by liquid pressure |
| Display label | Conveying materials in bulk through pipes or tubes by liquid pressure |
| Total patents | 41 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 11 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12515894-B2 · Jan 6, 2026 · US
US-12129722-B2 · Oct 29, 2024 · US
US-2024247555-A1 · Jul 25, 2024 · US
US-2024190669-A1 · Jun 13, 2024 · US
US-11673750-B2 · Jun 13, 2023 · US
US-11466933-B2 · Oct 11, 2022 · US
US-11058067-B2 · Jul 13, 2021 · US
US-2021156614-A1 · May 27, 2021 · US
US-10907898-B2 · Feb 2, 2021 · US
US-2020236867-A1 · Jul 30, 2020 · US
US-10647527-B2 · May 12, 2020 · US
US-10604360-B2 · Mar 31, 2020 · US
US-2020024085-A1 · Jan 23, 2020 · US
US-2019376743-A1 · Dec 12, 2019 · US
US-10494200-B2 · Dec 3, 2019 · US
US-10393435-B2 · Aug 27, 2019 · US
US-10370198-B2 · Aug 6, 2019 · US
US-2019023505-A1 · Jan 24, 2019 · US
US-10112787-B2 · Oct 30, 2018 · US
US-2018305140-A1 · Oct 25, 2018 · US
Answers are generated from the same data shown on this page.