Proppant discharge system and a container for use in such a proppant discharge system
US-10464741-B2 · Nov 5, 2019 · US
specially adapted to facilitate transportation from one utilisation site to another (collapsible hoppers B65D88/52)
specially adapted to facilitate transportation from one utilisation site to another (collapsible hoppers B65D88/52) · 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 | B65D88/30 |
| Official title | specially adapted to facilitate transportation from one utilisation site to another (collapsible hoppers B65D88/52) |
| Display label | specially adapted to facilitate transportation from one utilisation site to another (collapsible hoppers B65D88/52) |
| Total patents | 106 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 32 |
| 2018 | 12 |
| 2019 | 13 |
| 2020 | 14 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Modular bulk material container
US-2019241356-A1 · Aug 8, 2019 · US
Micronized dry barite powder bulk movement
US-10322871-B2 · Jun 18, 2019 · US
System and methodology for delivering bulk material at a work site
US-2019092563-A1 · Mar 28, 2019 · US
Semi-rigid bulk material storage container
US-2019002196-A1 · Jan 3, 2019 · US
Proppant vessel
US-RE47162-E · Dec 18, 2018 · US
System and method for delivery of oilfield materials
US-10150612-B2 · Dec 11, 2018 · US
System and method for delivery of oilfield materials
US-10077610-B2 · Sep 18, 2018 · US
Methods and systems to transfer proppant for fracking with reduced risk of production and release of silica dust at a well site
US-2018148269-A1 · May 31, 2018 · US
Bucket conveyor system on storage/delivery system
US-2018134507-A1 · May 17, 2018 · US
Methods and systems to transfer proppant for fracking with reduced risk of production and release of silica dust at a well site
US-9969564-B2 · May 15, 2018 · US
Mobile erector system
US-2018127203-A1 · May 10, 2018 · US
Cradle for proppant container having tapered box guides and associated methods
US-2018057252-A1 · Mar 1, 2018 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-2018050864-A1 · Feb 22, 2018 · US
Apparatus for the transport and storage of proppant
US-2018016095-A1 · Jan 18, 2018 · US
Methods and systems to transfer proppant for fracking with reduced risk of production and release of silica dust at a well site
US-9862551-B2 · Jan 9, 2018 · US
Mobile erector system
US-9862538-B2 · Jan 9, 2018 · US
Cradle for proppant container having tapered box guides
US-9840366-B2 · Dec 12, 2017 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-9834373-B2 · Dec 5, 2017 · US
Silo with reconfigurable orientation
US-2017327309-A1 · Nov 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65D88/30?
- CPC B65D88/30 is the Cooperative Patent Classification code for “specially adapted to facilitate transportation from one utilisation site to another (collapsible hoppers B65D88/52).”
- How many patents are filed under CPC B65D88/30 (specially adapted to facilitate transportation from one utilisation site to another (collapsible hoppers B65D88/52))?
- Our database includes 106 publications tagged with this CPC code.
- Is patent activity under CPC B65D88/30 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).