F01P 11/12
Filtering, cooling, or silencing cooling-air
F01P11/12 (Filtering, cooling, or silencing cooling-air) appears on 298 US grants and 226 published applications in this corpus.
Search patents in F01P- Granted patents
- 298
- Published applications
- 226
- Assignees
- 153
- Inventors
- 705
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 3 |
| 2002 | 6 | 4 |
| 2003 | 6 | 6 |
| 2004 | 4 | 6 |
| 2005 | 6 | 8 |
| 2006 | 5 | 11 |
| 2007 | 7 | 9 |
| 2008 | 8 | 11 |
| 2009 | 3 | 6 |
| 2010 | 6 | 10 |
| 2011 | 6 | 7 |
| 2012 | 5 | 10 |
| 2013 | 8 | 7 |
| 2014 | 7 | 16 |
| 2015 | 13 | 5 |
| 2016 | 10 | 17 |
| 2017 | 11 | 18 |
| 2018 | 14 | 10 |
| 2019 | 16 | 15 |
| 2020 | 10 | 14 |
| 2021 | 19 | 11 |
| 2022 | 10 | 7 |
| 2023 | 9 | 6 |
| 2024 | 5 | 4 |
| 2025 | 5 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air screen cleaning system for agricultural vehicle2 Jun 2026US 12,642,176 B2CNH Industrial America LLC
- Air intake heater treatment and ventilation26 May 2026US 12,637,971 B2Stewart & Stevenson LLC
- System and method of cleaning fluid, and vehicle connected to the system25 Nov 2025US 12,482,306 B2Mann+Hummel GmbH
- Modular heat exchanger systems7 Oct 2025US 12,434,845 B2The Boeing Company
- Heat radiator and turbo fracturing unit comprising the same13 May 2025US 12,297,726 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Timer-based fan cleaning system for agricultural vehicle23 Jul 2026US 2026/0210282 A1CNH Industrial America LLC
- Radiator screen module for agriculture machines22 Jan 2026US 2026/0020513 A1Maschinenfabrik Bernard Krone GmbH
- Fan shroud and rock screen assembly14 Aug 2025US 2025/0257682 A1Daimler Truck North America LLC
- Rotary Screen for a Combine Harvester6 Mar 2025US 2025/0072323 A1AGCO International GmbH
- Air screen cleaning system for agricultural vehicle9 Jan 2025US 2025/0008873 A1CNH Industrial America LLC
Most cited
By later US patents
- Noise reduction mechanism of fan device and molding method of porous damping material therefor66US 6,454,527 B2Komatsu Ltd. · 2002
- Combined noise suppressing and air flow guide enclosure for engines64US 4,071,009 ACaterpillar Tractor Co. · 1978
- Compact power supply53US 5,121,715 AYamaha Hatsudoki Kabushiki Kaisha · 1992
- Air flow arrangement for generator enclosure52US 6,630,756 B2Generac Power Systems, Inc. · 2003
- Cooler-cum-blower assembly for internal combustion engines49US 3,978,919 A1976