System for handling powdered materials
US-2025304383-A1 · Oct 2, 2025 · US
Gates or sluices, e.g. rotary wheels
Gates or sluices, e.g. rotary wheels · 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 | B65G53/46 |
| Official title | Gates or sluices, e.g. rotary wheels |
| Display label | Gates or sluices, e.g. rotary wheels |
| Total patents | 48 |
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 | 4 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 11 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 7 |
| 2023 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pneumatic conveying system and control method
US-2025162822-A1 · May 22, 2025 · US
Air distributor diverter valve
US-11832549-B2 · Dec 5, 2023 · US
Modular vacuum valve system for a vacuum transport system
US-2023383864-A1 · Nov 30, 2023 · US
Aluminum dust collection and compacting method
US-11794435-B2 · Oct 24, 2023 · US
Vacuum actuated receiver having low profile
US-11407600-B2 · Aug 9, 2022 · US
Air distributor diverter valve
US-2022210967-A1 · Jul 7, 2022 · US
Apparatus for supplying grain and flour to container of food processing machine
US-11350636-B2 · Jun 7, 2022 · US
Continuous concentrate feeding equipment
US-11320204-B2 · May 3, 2022 · US
Continuous concentrate feeding equipment
US-2022049898-A1 · Feb 17, 2022 · US
Air distributor diverter valve
US-11229158-B1 · Jan 25, 2022 · US
Air distributor diverter valve
US-2022015286-A1 · Jan 20, 2022 · US
Connection for an agricultural vehicle
US-11078034-B2 · Aug 3, 2021 · US
Cellular wheel sluice for granulate bulk product
US-10954083-B2 · Mar 23, 2021 · US
Storage method for resin using low profile receiver
US-10913620-B2 · Feb 9, 2021 · US
Baffle retention channel for an inductor box of an agricultural implement
US-10750660-B2 · Aug 25, 2020 · US
Baffle retention channel for an inductor box of an agricultural implement
US-10750659-B2 · Aug 25, 2020 · US
Vacuum actuated receiver having low profile
US-2020216272-A1 · Jul 9, 2020 · US
Apparatus for supplying grain and flour to container of food processing machine
US-2020170261-A1 · Jun 4, 2020 · US
Cellular wheel sluice for granulate bulk product
US-2020102159-A1 · Apr 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65G53/46?
- CPC B65G53/46 is the Cooperative Patent Classification code for “Gates or sluices, e.g. rotary wheels.”
- How many patents are filed under CPC B65G53/46 (Gates or sluices, e.g. rotary wheels)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC B65G53/46 growing?
- Publication counts under this code: 3 in 2023 vs 2 in 2025 (latest complete years).