F28F 23/02
Arrangements for obtaining or maintaining same in a liquid state
F28F23/02 (Arrangements for obtaining or maintaining same in a liquid state) appears on 38 US grants and 53 published applications in this corpus.
Search patents in F28F- Granted patents
- 38
- Published applications
- 53
- Assignees
- 43
- Inventors
- 100
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 6 |
| 2015 | 0 | 3 |
| 2016 | 2 | 4 |
| 2017 | 3 | 2 |
| 2018 | 2 | 6 |
| 2019 | 4 | 10 |
| 2020 | 11 | 5 |
| 2021 | 1 | 6 |
| 2022 | 7 | 5 |
| 2023 | 3 | 1 |
| 2024 | 3 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Cooling systems, controllers and methods21 Apr 2026US 12,610,506 B2CoolIT Systems, Inc.
- Heat dissipation systems with hygroscopic working fluid3 Sep 2024US 12,078,385 B2Energy & Environmental Research Center Foundation
- Heat exchanger27 Aug 2024US 12,074,089 B2Denso Corporation
- Heatsink device with multiple inlets and related computing device and method30 Jan 2024US 11,889,613 B1Fluix Incorporated
- Heat pipe with multiple stages of cooling24 Oct 2023US 11,800,684 B2GM Global Technology Operations LLC
- Cooling systems, controllers and methods27 Aug 2026US 2026/0255553 A1CoolIT Systems, Inc.
- Dual mode heat energy collector20 Mar 2025US 2025/0093112 A1Raytheon Systems Limited
- Novel heat pipe configurations13 Mar 2025US 2025/0089213 A1Honeywell International Inc.
- Heat dissipation systems with hygroscopic working fluid14 Nov 2024US 2024/0377078 A1
- Liquid vapor composite heat dissipation system13 Jul 2023US 2023/0221080 A1Long Victory Instruments Co., Ltd.
Most cited
By later US patents
- Liquid immersion tank25US 10,624,236 B2Fujitsu Limited · 2020
- Oilfield surface equipment cooling system24US 9,435,175 B2Schlumberger Technology Corporation · 2016
- Systems and methods for implementing intelligent cooling interface archiectures for cooling systems10US 10,798,851 B1L3 Technologies, Inc. · 2020
- Hygroscopic cooling tower for waste water disposal8US 10,845,067 B2Energy & Enviornmental Research Center · 2020
- Devices, methods, and systems for thermal management5US 10,527,355 B2Microsoft Technology Licensing, LLC · 2020