Heat exchanger, heat pump system and dishwasher
US-12535274-B2 · Jan 27, 2026 · US
the conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F28D7/026 |
| Official title | {the conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration} |
| Display label | the conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration |
| Total patents | 39 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12535274-B2 · Jan 27, 2026 · US
US-12533651-B2 · Jan 27, 2026 · US
US-12366415-B2 · Jul 22, 2025 · US
US-2025164162-A1 · May 22, 2025 · US
US-12228345-B2 · Feb 18, 2025 · US
US-12000661-B2 · Jun 4, 2024 · US
US-11920613-B2 · Mar 5, 2024 · US
US-11897015-B2 · Feb 13, 2024 · US
US-2024003632-A1 · Jan 4, 2024 · US
US-2023341188-A1 · Oct 26, 2023 · US
US-2023341187-A1 · Oct 26, 2023 · US
US-2023323881-A1 · Oct 12, 2023 · US
US-2023324125-A1 · Oct 12, 2023 · US
US-2023022084-A1 · Jan 26, 2023 · US
US-2023011329-A1 · Jan 12, 2023 · US
US-2022397351-A1 · Dec 15, 2022 · US
US-2022260315-A1 · Aug 18, 2022 · US
US-2021387244-A1 · Dec 16, 2021 · US
US-11110502-B2 · Sep 7, 2021 · US
US-11045039-B2 · Jun 29, 2021 · US
Answers are generated from the same data shown on this page.