Heat supply-energy-saving equipment for printing and dyeing factory
US-12291808-B2 · May 6, 2025 · US
by drop in pressure of high-pressure hot water within pressure-reducing chambers, e.g. in accumulators · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F22B3/04 |
| Official title | by drop in pressure of high-pressure hot water within pressure-reducing chambers, e.g. in accumulators |
| Display label | by drop in pressure of high-pressure hot water within pressure-reducing chambers, e.g. in accumulators |
| Total patents | 18 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12291808-B2 · May 6, 2025 · US
US-2025060093-A1 · Feb 20, 2025 · US
US-2024377106-A1 · Nov 14, 2024 · US
US-11834968-B2 · Dec 5, 2023 · US
US-2023022466-A1 · Jan 26, 2023 · US
US-11408339-B2 · Aug 9, 2022 · US
US-11365653-B2 · Jun 21, 2022 · US
US-11306912-B2 · Apr 19, 2022 · US
US-2021189913-A1 · Jun 24, 2021 · US
US-10737194-B2 · Aug 11, 2020 · US
US-2020234835-A1 · Jul 23, 2020 · US
US-2020165971-A1 · May 28, 2020 · US
US-10519813-B2 · Dec 31, 2019 · US
US-2019323704-A1 · Oct 24, 2019 · US
US-9958151-B2 · May 1, 2018 · US
US-2018051595-A1 · Feb 22, 2018 · US
US-9284857-B2 · Mar 15, 2016 · US
US-2015316252-A1 · Nov 5, 2015 · US