F28F 2265/20
Safety or protection arrangements: for preventing development of microorganisms
Official title: for preventing development of microorganisms
F28F2265/20 (Safety or protection arrangements: for preventing development of microorganisms) appears on 90 US grants and 106 published applications in this corpus.
Search patents in F28F- Granted patents
- 90
- Published applications
- 106
- Assignees
- 89
- Inventors
- 260
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 3 |
| 2005 | 4 | 5 |
| 2006 | 0 | 4 |
| 2007 | 3 | 3 |
| 2008 | 1 | 4 |
| 2009 | 0 | 3 |
| 2010 | 4 | 4 |
| 2011 | 2 | 4 |
| 2012 | 3 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 4 |
| 2016 | 2 | 3 |
| 2017 | 2 | 9 |
| 2018 | 2 | 7 |
| 2019 | 6 | 7 |
| 2020 | 3 | 9 |
| 2021 | 7 | 5 |
| 2022 | 8 | 7 |
| 2023 | 5 | 8 |
| 2024 | 3 | 0 |
| 2025 | 5 | 5 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Prevention of microbiological growth in heat exchangers5 May 2026US 12,618,622 B2Alfa Laval Corporate AB
- Liquid cooling system automated additive control31 Mar 2026US 12,590,770 B2Chilldyne, Inc.
- Continuous dryer heat exchanger device3 Mar 2026US 12,566,028 B2STELA Laxhuber GmbH
- Air treatment apparatus24 Feb 2026US 12,560,341 B2Dyson Technology Limited
- Liquid cooling heat dissipation system6 Jan 2026US 12,520,454 B2Suzhou Metabrain Intelligent Technology Co., Ltd.
- Heat exchanger bypass subsystem for coolant distribution units9 Jul 2026US 2026/0194317 A1Chilldyne, Inc.
- Biocidal compositions16 Apr 2026US 2026/0103840 A1Italmatch Chemicals Gb Limited
- Heat Transfer Apparatus with Ultraviolet Air Treatment12 Mar 2026US 2026/0069739 A1Baltimore Aircoil Company, Inc.
- Heat exchanger for hvac&r system19 Feb 2026US 2026/0049769 A1Johnson Controls Air Conditioning and Refrigeration (Wuxi) Co., Ltd.
- Cooling water management systems having continuous corrosion monitoring and reporting and associated methods for using the same9 Oct 2025US 2025/0314437 A1
Most cited
By later US patents
- Methods of simultaneously cleaning and disinfecting industrial water systems66US 6,840,251 B2Nalco Company · 2005
- Antimicrobial hydrophilic coating26US 5,305,827 AUnited Technologies Corporation · 1994
- Reduction of pressure drop of a cooling or heating system25US 6,267,924 B1Steril-Aire USA, Inc. · 2001
- Antimicrobial hydrophilic coating20US 5,264,250 AUnited Technologies Corporation · 1993
- Low solids hydrophilic coating16US 5,562,949 AUnited Technologies Corporation · 1996