Powder feeding device and powder transfer method
US-2025256928-A1 · Aug 14, 2025 · US
Emptying devices (conveyor construction B65G15/00 - B65G35/00; devices similar to vehicle tipplers B65G67/48)
Emptying devices (conveyor construction B65G15/00 - B65G35/00; devices similar to vehicle tipplers B65G67/48) · 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 | B65G65/34 |
| Official title | Emptying devices (conveyor construction B65G15/00 - B65G35/00; devices similar to vehicle tipplers B65G67/48) |
| Display label | Emptying devices (conveyor construction B65G15/00 - B65G35/00; devices similar to vehicle tipplers B65G67/48) |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 6 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transformable tray and tray system for receiving, transporting and unloading items
US-2025100821-A1 · Mar 27, 2025 · US
Systems and methods for controlling the disgorging of objects in containers by vibratory motion
US-2025033908-A1 · Jan 30, 2025 · US
Transformable tray and tray system for receiving, transporting and unloading items
US-12162702-B2 · Dec 10, 2024 · US
Systems and methods for controlling the disgorging of objects in containers by vibratory motion
US-12145811-B2 · Nov 19, 2024 · US
Actuator apparatus, object taking-out method using actuator apparatus, and object taking-out system
US-12103165-B2 · Oct 1, 2024 · US
Method and device for unloading a container having packages
US-12064867-B2 · Aug 20, 2024 · US
Transformable tray and tray system for receiving, transporting and unloading items
US-2022162020-A1 · May 26, 2022 · US
Combination weighing apparatus with improved hopper attachment workability
US-11333546-B2 · May 17, 2022 · US
Systems and methods for controlling the disgorging of objects in containers by vibratory motion
US-2022144561-A1 · May 12, 2022 · US
Systems and methods for controlling the disgorging of objects in containers by vibratory motion
US-11267662-B2 · Mar 8, 2022 · US
Transformable tray and tray system for receiving, transporting and unloading items
US-11247854-B2 · Feb 15, 2022 · US
Unloading device
US-11230440-B1 · Jan 25, 2022 · US
Method and device for unloading a container having packages
US-2021402622-A1 · Dec 30, 2021 · US
Sequencing bulk material containers for continuous material usage
US-11203495-B2 · Dec 21, 2021 · US
Sequencing bulk material containers for continuous material usage
US-11186452-B2 · Nov 30, 2021 · US
Combination weighing apparatus
US-2021215529-A1 · Jul 15, 2021 · US
Grain storehouse and grain loading method thereof
US-10961064-B2 · Mar 30, 2021 · US
Transformable tray and tray system for receiving, transporting and unloading items
US-10913621-B2 · Feb 9, 2021 · US
Actuator apparatus, object taking-out method using actuator apparatus, and object taking-out system
US-2020406476-A1 · Dec 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65G65/34?
- CPC B65G65/34 is the Cooperative Patent Classification code for “Emptying devices (conveyor construction B65G15/00 - B65G35/00; devices similar to vehicle tipplers B65G67/48).”
- How many patents are filed under CPC B65G65/34 (Emptying devices (conveyor construction B65G15/00 - B65G35/00; devices similar to vehicle tipplers B65G67/48))?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC B65G65/34 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).