Sand separator vessel perforated replaceable insert apparatus and method
US-10207279-B2 · Feb 19, 2019 · US
This page is not indexed by search engines while we improve data quality.
Sand traps
Sand traps · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D21F1/62 |
| Official title | Sand traps |
| Display label | Sand traps |
| Total patents | 2 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.