F01N 2610/1486
Means to prevent the substance from freezing
F01N2610/1486 (Means to prevent the substance from freezing) appears on 178 US grants and 226 published applications in this corpus.
Search patents in F01N- Granted patents
- 178
- Published applications
- 226
- Assignees
- 127
- Inventors
- 518
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 0 | 5 |
| 2008 | 2 | 4 |
| 2009 | 2 | 8 |
| 2010 | 4 | 5 |
| 2011 | 4 | 11 |
| 2012 | 3 | 9 |
| 2013 | 7 | 15 |
| 2014 | 11 | 19 |
| 2015 | 12 | 25 |
| 2016 | 17 | 16 |
| 2017 | 24 | 14 |
| 2018 | 10 | 24 |
| 2019 | 13 | 15 |
| 2020 | 23 | 16 |
| 2021 | 10 | 17 |
| 2022 | 14 | 5 |
| 2023 | 5 | 4 |
| 2024 | 5 | 5 |
| 2025 | 5 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump device21 Apr 2026US 12,607,174 B2Hydac Fluidtechnik GmbH
- Conditioning system for a urea solution24 Mar 2026US 12,584,431 B2Errecinque S.R.L.
- Method for operating a pump assembly18 Nov 2025US 12,473,922 B2GKN Sinter Metals Engineering GmbH
- Duct for a fluid to be transported, in particular in a motor vehicle29 Jul 2025US 12,372,192 B2Hutchinson
- Method for heating a tank15 Apr 2025US 12,279,341 B2Vitesco Technologies GmbH
- Method for determining condition of exhaust system, and device for determining condition of exhaust system3 Sep 2026US 2026/0258746 A1Nissan Motor Co., Ltd.
- Method for Operating a Pump Assembly1 Jan 2026US 2026/0002540 A1GKN Sinter Metals Engineering GmbH
- Exhaust pipe28 Nov 2024US 2024/0392717 A1Isuzu Motors Limited
- Conditioning system for a urea solution17 Oct 2024US 2024/0344474 A1Errecinque S.R.L.
- Filters for Cooling Apparatus15 Aug 2024US 2024/0271558 A1Perkins Engines Company Limited
Most cited
By later US patents
- Method and device for introducing liquid into an exhaust-gas purification system124US 5,884,475 ASiemens Aktiengesellschaft · 1999
- Emissions diagnostic system48US 6,363,771 B1Caterpillar Inc. · 2002
- Exhaust gas purifying apparatus in engine38US 7,647,767 B2Nissan Diesel Motor Co., Ltd. · 2010
- Exhaust gas purification system for denoxing exhaust gases from combustion units36US 6,301,879 B1HJS Fahrzeugtechnik GmbH & Co. · 2001
- Exhaust emission purifying apparatus for engine26US 7,849,674 B2Nissan Diesel Motor Co., Ltd. · 2010