Dry-bulk tanker, conveying system for a dry-bulk tanker, work train and method for conveying binding agents for a work train
US-2020385937-A1 · Dec 10, 2020 · US
the load-transporting element having bottom discharging openings
the load-transporting element having bottom discharging openings · 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 | B60P1/56 |
| Official title | the load-transporting element having bottom discharging openings |
| Display label | the load-transporting element having bottom discharging openings |
| Total patents | 83 |
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 | 1 |
| 2016 | 4 |
| 2017 | 18 |
| 2018 | 1 |
| 2019 | 20 |
| 2020 | 17 |
| 2021 | 13 |
| 2022 | 3 |
| 2023 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of unloading materials from a tank
US-10857928-B2 · Dec 8, 2020 · US
Dry bulk tank with compartments and an air piping system for equalizing air pressure in the compartments
US-10857927-B2 · Dec 8, 2020 · US
Minimizing relative movement between component parts of a tank during loading and unloading
US-10857929-B2 · Dec 8, 2020 · US
Trailer having increased ground clearance
US-2020354172-A1 · Nov 12, 2020 · US
Trailer-mounted proppant delivery system
US-10814767-B2 · Oct 27, 2020 · US
Trailer having increased ground clearance
US-10815081-B2 · Oct 27, 2020 · US
Dry-bulk tanker, conveying system for a dry-bulk tanker, as well as work train
US-2020291592-A1 · Sep 17, 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
Tank having an air piping system and method of loading and unloading the same
US-2020156886-A1 · May 21, 2020 · US
Dry-bulk tanker, conveying system for a dry-bulk tanker, as well as work train
US-10619322-B2 · Apr 14, 2020 · US
Method of unloading dry bulk materials from a dry bulk tank
US-10618448-B2 · Apr 14, 2020 · US
Minimizing relative movement between component parts of a tank trailer during loading and unloading
US-10576866-B2 · Mar 3, 2020 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-10569953-B2 · Feb 25, 2020 · US
Trailer having offset ribs
US-10549788-B2 · Feb 4, 2020 · US
Minimizing relative movement between component parts of a tank during loading and unloading
US-2019389361-A1 · Dec 26, 2019 · US
Tank
US-2019389360-A1 · Dec 26, 2019 · US
Method of loading materials into a tank
US-2019382221-A1 · Dec 19, 2019 · US
Method of unloading materials from a tank
US-2019382223-A1 · Dec 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60P1/56?
- CPC B60P1/56 is the Cooperative Patent Classification code for “the load-transporting element having bottom discharging openings.”
- How many patents are filed under CPC B60P1/56 (the load-transporting element having bottom discharging openings)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC B60P1/56 growing?
- Publication counts under this code: 3 in 2023 vs 2 in 2025 (latest complete years).