Heat pump and method for controlling compressor based on operation of boiler
US-11619425-B2 · Apr 4, 2023 · US
Boilers; Analysers; Rectifiers (boiler-absorbers F25B35/00)
Boilers; Analysers; Rectifiers (boiler-absorbers F25B35/00) · 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 | F25B33/00 |
| Official title | Boilers; Analysers; Rectifiers (boiler-absorbers F25B35/00) |
| Display label | Boilers; Analysers; Rectifiers (boiler-absorbers F25B35/00) |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid ammonia, sodium nitrate and lithium bromide absorption refrigeration system
US-11609028-B2 · Mar 21, 2023 · US
Heating and/or cooling system and method for reducing or removing solidified phase change material
US-11499783-B2 · Nov 15, 2022 · US
Low charge packaged refrigeration systems
US-2022341639-A1 · Oct 27, 2022 · US
Oil separator and refrigeration cycle apparatus
US-11460227-B2 · Oct 4, 2022 · US
In-vehicle absorption heat pump device
US-11454431-B2 · Sep 27, 2022 · US
Low charge packaged refrigeration systems
US-11359844-B2 · Jun 14, 2022 · US
Liquid ammonia, sodium nitrate and lithium bromide diffusion refrigeration system
US-2022057117-A1 · Feb 24, 2022 · US
Liquid ammonia, sodium nitrate and lithium bromide absorption refrigeration system
US-2022057116-A1 · Feb 24, 2022 · US
Evaporator
US-2021404712-A1 · Dec 30, 2021 · US
Generator and condensing system
US-11105542-B2 · Aug 31, 2021 · US
Heat pump and method of operating heat pump
US-2021239370-A1 · Aug 5, 2021 · US
In-vehicle absorption heat pump device
US-2021215407-A1 · Jul 15, 2021 · US
Generator and condensing system
US-2021199354-A1 · Jul 1, 2021 · US
Low-power absorption refrigeration machine
US-10845100-B2 · Nov 24, 2020 · US
Heating and/or cooling system and method for reducing or removing solidified phase change material
US-2020309457-A1 · Oct 1, 2020 · US
Oil separator and refrigeration cycle apparatus
US-2020292220-A1 · Sep 17, 2020 · US
Low Charge Packaged Refrigeration Systems
US-2020248939-A1 · Aug 6, 2020 · US
Absorption heat pump device
US-10619893-B2 · Apr 14, 2020 · US
3D microstructures for rapid absorption/desorption in mechanically constrained liquid absorbents
US-10551094-B2 · Feb 4, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B33/00?
- CPC F25B33/00 is the Cooperative Patent Classification code for “Boilers; Analysers; Rectifiers (boiler-absorbers F25B35/00).”
- How many patents are filed under CPC F25B33/00 (Boilers; Analysers; Rectifiers (boiler-absorbers F25B35/00))?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC F25B33/00 growing?
- Publication counts under this code: 7 in 2022 vs 2 in 2023 (latest complete years).