Regenerator material and regenerative refrigerator
US-11137216-B2 · Oct 5, 2021 · US
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Sealing means
Sealing means · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F28D19/047 |
| Official title | {Sealing means} |
| Display label | Sealing means |
| 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 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.