System for handling powdered materials
US-2025304383-A1 · Oct 2, 2025 · US
Devices for accelerating or decelerating flow of the materials; Use of pressure generators (controlling pressure of propelling gas B65G53/66)
Devices for accelerating or decelerating flow of the materials; Use of pressure generators (controlling pressure of propelling gas B65G53/66) · 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 | B65G53/58 |
| Official title | Devices for accelerating or decelerating flow of the materials; Use of pressure generators (controlling pressure of propelling gas B65G53/66) |
| Display label | Devices for accelerating or decelerating flow of the materials; Use of pressure generators (controlling pressure of propelling gas B65G53/66) |
| Total patents | 39 |
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 | 5 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 3 |
| 2021 | 2 |
| 2023 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Blowing machine
US-12428859-B2 · Sep 30, 2025 · US
Pneumatic conveying system and optimized configuration method
US-2025128894-A1 · Apr 24, 2025 · US
Blowing machine
US-2023021689-A1 · Jan 26, 2023 · US
Transport device and sheet manufacturing apparatus
US-11173627-B2 · Nov 16, 2021 · US
Transport device and sheet manufacturing apparatus
US-2021101311-A1 · Apr 8, 2021 · US
Method for pneumatically conveying plastic pellets
US-10647527-B2 · May 12, 2020 · US
Dense phase powder pump and corresponding operating method
US-10604360-B2 · Mar 31, 2020 · US
System and method for removing blockages present in a delivery conduit of a seeder
US-10549932-B2 · Feb 4, 2020 · US
System and method for removing blockages present in a delivery conduit of a seeder
US-2019367296-A1 · Dec 5, 2019 · US
System and method for removing blockages present in a delivery conduit of a seeder
US-10421625-B2 · Sep 24, 2019 · US
Air flow regulator and method
US-2019092583-A1 · Mar 28, 2019 · US
System and method for removing blockages present in a delivery conduit of a seeder
US-2019077612-A1 · Mar 14, 2019 · US
Air flow regulation in granular material delivery system
US-2019031453-A1 · Jan 31, 2019 · US
Dense phase powder pump and corresponding operating method
US-2019023505-A1 · Jan 24, 2019 · US
Granular material delivery system with air flow limiter
US-10179708-B2 · Jan 15, 2019 · US
Air flow regulator with detector and method for regulating air flow
US-10175701-B2 · Jan 8, 2019 · US
Dense phase powder pump and corresponding operating method
US-10112787-B2 · Oct 30, 2018 · US
Method for pneumatically conveying plastic pellets
US-2018305140-A1 · Oct 25, 2018 · US
Pneumatic material delivery system with air flow limiting
US-2018155136-A1 · Jun 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65G53/58?
- CPC B65G53/58 is the Cooperative Patent Classification code for “Devices for accelerating or decelerating flow of the materials; Use of pressure generators (controlling pressure of propelling gas B65G53/66).”
- How many patents are filed under CPC B65G53/58 (Devices for accelerating or decelerating flow of the materials; Use of pressure generators (controlling pressure of propelling gas B65G53/66))?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC B65G53/58 growing?
- Publication counts under this code: 1 in 2023 vs 3 in 2025 (latest complete years).