Processing materials
US-10518220-B2 · Dec 31, 2019 · US
Conveying materials in bulk pneumatically through pipes or tubes; Air slides
Conveying materials in bulk pneumatically through pipes or tubes; Air slides · 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 | B65G53/04 |
| Official title | Conveying materials in bulk pneumatically through pipes or tubes; Air slides |
| Display label | Conveying materials in bulk pneumatically through pipes or tubes; Air slides |
| Total patents | 125 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 9 |
| 2017 | 22 |
| 2018 | 15 |
| 2019 | 19 |
| 2020 | 19 |
| 2021 | 13 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Measurement of product pellets flow rate
US-10494200-B2 · Dec 3, 2019 · US
Seeding system
US-10492359-B2 · Dec 3, 2019 · US
Reconfigurable processing enclosures
US-10350548-B2 · Jul 16, 2019 · US
Systems and methods for air cart pressurization monitoring
US-2019152723-A1 · May 23, 2019 · US
Systems and methods for air cart pressurization monitoring
US-10246274-B2 · Apr 2, 2019 · US
Variable opening slide gate for regulating material flow into airstream
US-10179696-B2 · Jan 15, 2019 · US
Array for processing materials
US-2019010662-A1 · Jan 10, 2019 · US
Processing materials
US-2018339270-A1 · Nov 29, 2018 · US
Method for pneumatically conveying plastic pellets
US-2018305140-A1 · Oct 25, 2018 · US
Array for processing materials
US-10105652-B2 · Oct 23, 2018 · US
Processing materials
US-10066339-B2 · Sep 4, 2018 · US
Agricultural vehicle pneumatic distribution system
US-2018229946-A1 · Aug 16, 2018 · US
Method and Device for Optimizing Solid Phase Transport in Pipe Flow
US-2018210435-A1 · Jul 26, 2018 · US
Upgrading process streams
US-2018193801-A1 · Jul 12, 2018 · US
Polycarbonate resin powder and method for transporting same
US-2018162658-A1 · Jun 14, 2018 · US
Ship loading system
US-2018141764-A1 · May 24, 2018 · US
Agricultural vehicle pneumatic distribution system
US-9969569-B2 · May 15, 2018 · US
Apparatus and method of packaging loose product
US-2018105295-A1 · Apr 19, 2018 · US
Upgrading process streams
US-9925496-B2 · Mar 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65G53/04?
- CPC B65G53/04 is the Cooperative Patent Classification code for “Conveying materials in bulk pneumatically through pipes or tubes; Air slides.”
- How many patents are filed under CPC B65G53/04 (Conveying materials in bulk pneumatically through pipes or tubes; Air slides)?
- Our database includes 125 publications tagged with this CPC code.
- Is patent activity under CPC B65G53/04 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).