F28F 2265/22
Safety or protection arrangements: for draining
Official title: for draining
F28F2265/22 (Safety or protection arrangements: for draining) appears on 36 US grants and 62 published applications in this corpus.
Search patents in F28F- Granted patents
- 36
- Published applications
- 62
- Assignees
- 46
- Inventors
- 187
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 4 |
| 2015 | 1 | 4 |
| 2016 | 2 | 5 |
| 2017 | 3 | 3 |
| 2018 | 5 | 4 |
| 2019 | 3 | 3 |
| 2020 | 4 | 1 |
| 2021 | 1 | 9 |
| 2022 | 2 | 1 |
| 2023 | 5 | 2 |
| 2024 | 3 | 9 |
| 2025 | 2 | 10 |
| 2026 | 3 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Flow assisted anti-fouling geometries for compact heat exchangers20 May 2025US 12,305,932 B2National Technology & Engineering Solutions of Sandia, LLC
- Heat exchanger and air handling unit6 Aug 2026US 2026/0227140 A1Daikin Industries, Ltd.
- Fluid drain system for filter chamber access in heat rejection unit30 Jul 2026US 2026/0216625 A1Microsoft Technology Licensing, LLC
- Modular cooler and isolation valve assembly30 Jul 2026US 2026/0218999 A1Forum US, Inc.
- Heat exchanger and air-conditioning apparatus14 Aug 2025US 2025/0257949 A1Mitsubishi Electric Corporation
- Heat exchanger and refrigeration cycle apparatus24 Jul 2025US 2025/0237439 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Heat exchanger for a shower or bathtub48US 10,072,897 B2Joulia AG · 2018
- Outdoor unit for air conditioner7US 7,210,305 B2Samsung Electronics Co., Ltd. · 2007
- Integral drain assembly for a heat exchanger and method of forming3US 10,168,114 B2Hamilton Sundstrand Corporation · 2019
- Heat exchanger and refrigeration cycle apparatus3US 10,712,104 B2Mitsubishi Electric Corporation · 2020
- Heat exchanger with barrier passages3US 11,255,614 B2Hamilton Sundstrand Corporation · 2022