Method and system for replacing the fixed roof of a storage tank
US-2025215720-A1 · Jul 3, 2025 · US
Operating devices therefor
Operating devices therefor · 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 | B65D90/66 |
| Official title | Operating devices therefor |
| Display label | Operating devices therefor |
| Total patents | 58 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 16 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mobile support structure for bulk material containers
US-12286290-B2 · Apr 29, 2025 · US
Mobile support structure for bulk material containers
US-12269674-B2 · Apr 8, 2025 · US
Method and system for replacing the fixed roof of a storage tank
US-12264495-B1 · Apr 1, 2025 · US
Bulk material retrieval and transport system and methods
US-12246926-B2 · Mar 11, 2025 · US
Mobile support structure for bulk material containers
US-2024182237-A1 · Jun 6, 2024 · US
Mobile support structure for bulk material containers
US-2024182238-A1 · Jun 6, 2024 · US
Raw material feed hopper and single crystal growth system
US-11982013-B2 · May 14, 2024 · US
Inertable container for transporting an additive manufacturing powder
US-11975461-B2 · May 7, 2024 · US
Mobile support structure for bulk material containers
US-11939152-B2 · Mar 26, 2024 · US
Systems and methods for remotely controlling proppant discharge system
US-11873160-B1 · Jan 16, 2024 · US
Mobile support structure for bulk material containers
US-11814242-B2 · Nov 14, 2023 · US
Raw material feed hopper and single crystal growth system
US-2022228289-A1 · Jul 21, 2022 · US
Receptacle latching mechanism incorporating a go-gauge
US-11313160-B1 · Apr 26, 2022 · US
Bulk material discharging
US-2022106135-A1 · Apr 7, 2022 · US
Bulk material retrieval and transport system and methods
US-2022106123-A1 · Apr 7, 2022 · 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
Inertable container for transporting an additive manufacturing powder
US-2021162507-A1 · Jun 3, 2021 · US
Sequencing bulk material containers for continuous material usage
US-2020239239-A1 · Jul 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65D90/66?
- CPC B65D90/66 is the Cooperative Patent Classification code for “Operating devices therefor.”
- How many patents are filed under CPC B65D90/66 (Operating devices therefor)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC B65D90/66 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).