F01M 2013/0472
Using heating means
Official title: {using heating means}
F01M2013/0472 (Using heating means) appears on 60 US grants and 52 published applications in this corpus.
Search patents in F01M- Granted patents
- 60
- Published applications
- 52
- Assignees
- 46
- Inventors
- 161
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 2 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 8 |
| 2017 | 2 | 4 |
| 2018 | 5 | 5 |
| 2019 | 3 | 4 |
| 2020 | 5 | 1 |
| 2021 | 3 | 2 |
| 2022 | 3 | 4 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Temperature raising mechanism for blow-by gas treatment device and engine provided with temperature raising mechanism for blow-by gas treatment device11 Aug 2026US 12,704,083 B2Kubota Corporation
- Oil separation device and array for internal combustion engine2 Jun 2026US 12,644,402 B2Caterpillar Inc.
- Crankcase oil separator for internal combustion engine16 Dec 2025US 12,497,912 B2Caterpillar Inc.
- Blow-by gas recirculation device25 Apr 2023US 11,635,006 B2Kubota Corporation
- Blow-by gas discharge device4 Oct 2022US 11,459,920 B2Isuzu Motors Limited
- Multi-stage blow-by gas filtering for internal combustion engine30 Apr 2026US 2026/0117684 A1Caterpillar Inc.
- Oil separation device and array for internal combustion engine2 Apr 2026US 2026/0092543 A1Caterpillar Inc.
- Apparatuses and methods for a closed crankcase ventilation system of an internal combustion engine12 Mar 2026US 2026/0071563 A1Daimler Truck North America LLC
- Temperature raising mechanism for blow-by gas treatment device and engine provided with temperature raising mechanism for blow-by gas treatment device29 Aug 2024US 2024/0287922 A1Kubota Corporation
- Crankcase oil separator for internal combustion engine4 Jul 2024US 2024/0218816 A1Caterpillar Inc.
Most cited
By later US patents
- Blow-by gas heating system for internal combustion engines46US 4,768,493 AHonda Giken Kogyo Kabushiki Kaisha · 1988
- PCV oil separator system41US 5,024,203 ASealed Power Technologies, L.P. · 1991
- Integral PCV system40US 6,234,154 B1General Motors Corporation · 2001
- Lubricant heating system for internal combustion engine25US 4,458,642 AHonda Giken Kogyo Kabushiki Kaisha · 1984
- Intake manifold apparatus in multi-cylinder engine25US 4,517,951 AHonda Giken Kogyo Kabushiki Kaisha · 1985