Method and system for optimizing a speed of at least one of a variable speed compressor and a variable speed circulation fan to improve latent capacity
US-2017356668-A1 · Dec 14, 2017 · US
at the outlet
at the outlet · 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 | F25B2700/21173 |
| Official title | at the outlet |
| Display label | at the outlet |
| Total patents | 258 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 18 |
| 2017 | 26 |
| 2018 | 33 |
| 2019 | 23 |
| 2020 | 17 |
| 2021 | 21 |
| 2022 | 23 |
| 2023 | 14 |
| 2024 | 29 |
| 2025 | 16 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed drive
US-2017356684-A1 · Dec 14, 2017 · US
Refrigeration cycle apparatus
US-9829231-B2 · Nov 28, 2017 · US
Methods and systems for detecting and recovering from control instability caused by impeller stall
US-9823005-B2 · Nov 21, 2017 · US
Air-conditioning apparatus for vehicle
US-2017282689-A1 · Oct 5, 2017 · US
Heat-pump system with refrigerant charge diagnostics
US-9765979-B2 · Sep 19, 2017 · US
Freezing and Refrigerating Device and Defrosting Control Method Thereof
US-2017248360-A1 · Aug 31, 2017 · US
Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed drive
US-9746228-B2 · Aug 29, 2017 · US
Systems and methods for controlling a refrigeration system
US-2017227263-A1 · Aug 10, 2017 · US
Single point communication scheme for a transport refrigeration system
US-9649911-B2 · May 16, 2017 · US
HVAC controller and method for operating an HVAC system based on a difference in temperature between return air and supply air and an HVAC system employing the controller or method
US-9625169-B2 · Apr 18, 2017 · US
Electrically commutated motor and freezer comprising the same
US-2017047873-A1 · Feb 16, 2017 · US
Method for operating a chiller
US-2017038110-A1 · Feb 9, 2017 · US
Adaptive control of multi-compartment transport refrigeration system
US-2016334142-A1 · Nov 17, 2016 · US
Method For Configuring The Size Of A Heat Transfer Surface
US-2016334149-A1 · Nov 17, 2016 · US
Heat pump system and operation method therefor
US-2016305702-A1 · Oct 20, 2016 · US
Outdoor unit of air conditioner and method for controlling the same
US-9435548-B2 · Sep 6, 2016 · US
Heat-pump chiller with improved heat recovery features
US-9429345-B2 · Aug 30, 2016 · US
Adaptive temperature control system for cooling working fluid
US-2016238284-A1 · Aug 18, 2016 · US
Heat source machine and control method therefor
US-2016216024-A1 · Jul 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B2700/21173?
- CPC F25B2700/21173 is the Cooperative Patent Classification code for “at the outlet.”
- How many patents are filed under CPC F25B2700/21173 (at the outlet)?
- Our database includes 258 publications tagged with this CPC code.
- Is patent activity under CPC F25B2700/21173 growing?
- Publication counts under this code: 29 in 2024 vs 16 in 2025 (latest complete years).