Proppant discharge system and a container for use in such a proppant discharge system
US-10661981-B2 · May 26, 2020 · US
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using a belt or chain conveyor in or beneath the opening
using a belt or chain conveyor in or beneath the opening · 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 | B65G2814/032 |
| Official title | using a belt or chain conveyor in or beneath the opening |
| Display label | using a belt or chain conveyor in or beneath the opening |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 15 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of delivering, storing, unloading, and using proppant at a well site
US-10661980-B2 · May 26, 2020 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-10569953-B2 · Feb 25, 2020 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-10464741-B2 · Nov 5, 2019 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-2018050864-A1 · Feb 22, 2018 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-9834373-B2 · Dec 5, 2017 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-9815620-B2 · Nov 14, 2017 · US
Proppant discharge method and a container for use in such a proppant discharge method
US-2017305656-A1 · Oct 26, 2017 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-2017291760-A1 · Oct 12, 2017 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-2017283165-A1 · Oct 5, 2017 · US
Method of delivering, storing, unloading, and using proppant at a well site
US-2017240350-A1 · Aug 24, 2017 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-9738439-B2 · Aug 22, 2017 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-9725234-B2 · Aug 8, 2017 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-9725233-B2 · Aug 8, 2017 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-9718609-B2 · Aug 1, 2017 · US
Method of delivering, storing, unloading, and using proppant at a well site
US-9701463-B2 · Jul 11, 2017 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-9694970-B2 · Jul 4, 2017 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-9669993-B2 · Jun 6, 2017 · US
Method of delivering, storing, unloading, and using proppant at a well site
US-9656799-B2 · May 23, 2017 · US
Proppant discharge system and a container for use in such a proppant discharge system
US-RE46334-E · Mar 7, 2017 · US