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
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by means of non-sealed systems
by means of non-sealed systems · 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 | B65G69/185 |
| Official title | {by means of non-sealed systems} |
| Display label | by means of non-sealed systems |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Not enough yearly data to assess filing trend yet.
| Year | Patents |
|---|---|
| 2018 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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
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