Bulk material handling system for reduced dust, noise, and emissions
US-2020277133-A1 · Sep 3, 2020 · US
Gates or closures
Gates or closures · 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 | B65D90/54 |
| Official title | Gates or closures |
| Display label | Gates or closures |
| Total patents | 82 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 7 |
| 2017 | 24 |
| 2018 | 10 |
| 2019 | 11 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for processing earthen slurries
US-10683178-B2 · Jun 16, 2020 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-10661981-B2 · May 26, 2020 · US
Method of delivering, storing, unloading, and using proppant at a well site
US-10661980-B2 · May 26, 2020 · US
Device for Attaching Mouthpiece to Innerliner of Aircraft Water Tank
US-2020079030-A1 · Mar 12, 2020 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-10569953-B2 · Feb 25, 2020 · US
Safety closure for a container with a media supply line
US-10549891-B2 · Feb 4, 2020 · US
Device for Attaching Mouthpiece to Innerliner of Aircraft Water Tank
US-2020023591-A1 · Jan 23, 2020 · US
Container and locking mechanism thereof
US-10501247-B2 · Dec 10, 2019 · US
Transfer systems for receiving and conveying material
US-10486920-B2 · Nov 26, 2019 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-10464741-B2 · Nov 5, 2019 · US
Semi-rigid bulk material storage container
US-10442614-B2 · Oct 15, 2019 · US
Dust control systems for bulk material containers
US-2019276225-A1 · Sep 12, 2019 · US
Fixing clamp for discharge outlet of intermediate bulk container
US-10407239-B2 · Sep 10, 2019 · US
Collapsible particulate matter container
US-10336533-B2 · Jul 2, 2019 · US
Storage and transportation radome container
US-2019185164-A1 · Jun 20, 2019 · US
Stackable container system, operating system using container system, and method
US-10279989-B2 · May 7, 2019 · US
Bulk material handling system for reduced dust, noise, and emissions
US-2019127144-A1 · May 2, 2019 · US
Semi-rigid bulk material storage container
US-2019002196-A1 · Jan 3, 2019 · US
Novel cap for refillable tote
US-2018319587-A1 · Nov 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65D90/54?
- CPC B65D90/54 is the Cooperative Patent Classification code for “Gates or closures.”
- How many patents are filed under CPC B65D90/54 (Gates or closures)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC B65D90/54 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).