F24D 2220/0235
Three-way-valves
F24D2220/0235 (Three-way-valves) appears on 27 US grants and 45 published applications in this corpus.
Search patents in F24D- Granted patents
- 27
- Published applications
- 45
- Assignees
- 34
- Inventors
- 77
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 4 |
| 2019 | 2 | 4 |
| 2020 | 4 | 8 |
| 2021 | 4 | 2 |
| 2022 | 1 | 4 |
| 2023 | 4 | 3 |
| 2024 | 2 | 7 |
| 2025 | 4 | 3 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Water heaters with computing elements as a network11 Aug 2026US 12,704,888 B2
- System for producing heat for domestic hot water or central heating3 Feb 2026US 12,540,737 B2Daikin Europe N.V.
- Thermal system for a marine vessel, such system installed in a marine vessel, a marine vessel comprising the thermal system, a method of controlling a thermal system, and a control device16 Dec 2025US 12,498,743 B2Frese A/S
- Temperature control device8 Jul 2025US 12,353,225 B2Australian Valve Group Pty Ltd
- Combined cooling, heating, and power system29 Apr 2025US 12,287,101 B2Copeland Corporation
- Controller and process to operate a water heater4 Jun 2026US 2026/0153269 A1Resideo LLC
- Thermal System for a Marine Vessel, Such System Installed in a Marine Vessel, a Marine Vessel Comprising the Thermal System, a Method of Controlling a Thermal System, and a Control Device26 Mar 2026US 2026/0086586 A1Frese A/S
- Valve and method of operating boiler using the same3 Jul 2025US 2025/0216091 A1Kyungdong Navien Co., Ltd.
- A Thermal System for a Marine Vessel, Such System Installed in a Marine Vessel, a Marine Vessel Comprising the Thermal System, a Method of Controlling a Thermal System, and a Control Device17 Apr 2025US 2025/0123640 A1Frese A/S
- Water Heater and Method of Operating Thereof20 Mar 2025US 2025/0093074 A1Rheem Manufacturing Company
Most cited
By later US patents
- Pump assembly and hydraulic system4US 10,823,175 B2Grundfos Holding A/S · 2020
- Heat recovery4US 9,869,466 B2Waste Heat Recovery Ltd. · 2018
- Water heater with mix tank fluid time delay for causal feedforward control of hot water temperature3US 10,852,008 B2Aerco International, Inc. · 2020
- Valve device capable of washing internal pipe in hot water boiler3US 9,476,511 B2Kofulso Co., Ltd. · 2016
- Water mixing system for thermoregulating water2US 10,323,859 B2King Fahd University of Petroleum and Minerals · 2019