Baffles for heat exchangers
US-12595977-B2 · Apr 7, 2026 · US
formed by grids having only one tube per closed grid opening (F28F9/0132 and F28F9/0133 take precedence)
formed by grids having only one tube per closed grid opening (F28F9/0132 and F28F9/0133 take precedence) · 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 | F28F9/0135 |
| Official title | {formed by grids having only one tube per closed grid opening (F28F9/0132 and F28F9/0133 take precedence)} |
| Display label | formed by grids having only one tube per closed grid opening (F28F9/0132 and F28F9/0133 take precedence) |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Support plate for tubes in a reactor vessel
US-2025308716-A1 · Oct 2, 2025 · US
Pair of support plates for tubes in a reactor vessel
US-2025305674-A1 · Oct 2, 2025 · US
Distillation unit
US-2025180295-A1 · Jun 5, 2025 · US
Connection tube support of waste heat recovery boiler and waste heat recovery boiler including same
US-12130010-B2 · Oct 29, 2024 · US
Corrugated grid support for vertical boiling reactor
US-12030028-B2 · Jul 9, 2024 · US
Phase change cold storage device having vortex coiled tubes
US-12013146-B2 · Jun 18, 2024 · US
Connection tube support of waste heat recovery boiler and waste heat recovery boiler including same
US-2024175572-A1 · May 30, 2024 · US
Baffles for heat exchangers
US-2023314095-A1 · Oct 5, 2023 · US
Heat exchanger and associated tube sheet
US-11656036-B2 · May 23, 2023 · US
Heat exchanger and refrigeration cycle apparatus
US-2023127615-A1 · Apr 27, 2023 · US
Phase Change Cold Storage Device Having Vortex Coiled Tubes
US-2023040985-A1 · Feb 9, 2023 · US
Pipe supporting system
US-11384998-B2 · Jul 12, 2022 · US
Corrugated grid support for vertical boiling reactor
US-2022203322-A1 · Jun 30, 2022 · US
Radiator and lateral bump stop therefor
US-11098965-B2 · Aug 24, 2021 · US
Thermal battery with encapsulated phase-change material
US-2020348086-A1 · Nov 5, 2020 · US
Radiator and lateral bump stop therefor
US-2020326143-A1 · Oct 15, 2020 · US
Heat exchanger and associated tube sheet
US-2020292250-A1 · Sep 17, 2020 · US
Heat exchanger comprising a protective device
US-10605547-B2 · Mar 31, 2020 · US
Thermal battery with encapsulated phase-change material and associated production method
US-10436523-B2 · Oct 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F9/0135?
- CPC F28F9/0135 is the Cooperative Patent Classification code for “formed by grids having only one tube per closed grid opening (F28F9/0132 and F28F9/0133 take precedence).”
- How many patents are filed under CPC F28F9/0135 (formed by grids having only one tube per closed grid opening (F28F9/0132 and F28F9/0133 take precedence))?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC F28F9/0135 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).