F16H 57/0404
Lubricant filters
Official title: {Lubricant filters}
F16H57/0404 (Lubricant filters) appears on 277 US grants and 284 published applications in this corpus.
Search patents in F16H- Granted patents
- 277
- Published applications
- 284
- Assignees
- 176
- Inventors
- 752
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 10 | 3 |
| 2002 | 4 | 6 |
| 2003 | 10 | 9 |
| 2004 | 7 | 11 |
| 2005 | 10 | 7 |
| 2006 | 5 | 19 |
| 2007 | 6 | 4 |
| 2008 | 3 | 3 |
| 2009 | 3 | 8 |
| 2010 | 5 | 3 |
| 2011 | 4 | 5 |
| 2012 | 2 | 3 |
| 2013 | 5 | 8 |
| 2014 | 2 | 9 |
| 2015 | 5 | 8 |
| 2016 | 7 | 10 |
| 2017 | 4 | 13 |
| 2018 | 6 | 20 |
| 2019 | 20 | 20 |
| 2020 | 17 | 16 |
| 2021 | 12 | 17 |
| 2022 | 16 | 17 |
| 2023 | 22 | 18 |
| 2024 | 9 | 12 |
| 2025 | 18 | 23 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter assembly25 Aug 2026US 12,716,481 B2Filtran LLC
- Vehicle drive device26 May 2026US 12,638,072 B2Aisin Corporation
- Power transmission device and hydraulic device19 May 2026US 12,631,247 B2JATCO Ltd
- Lubricant drip pan for a transmission housing of a vehicle transmission19 May 2026US 12,631,248 B2ZF Friedrichshafen AG
- Oil purification filter5 May 2026US 12,616,925 B2Skf Recondoil AB
- Motor vehicle drive unit and electrically driven motor vehicle drive axle8 Oct 2026US 2026/0309223 A1ZF Friedrichshafen AG
- Lubricating and/or cooling system for use in a motor vehicle17 Sep 2026US 2026/0276071 A1MAGNA Powertrain AG & Co KG
- Motor unit17 Sep 2026US 2026/0276074 A1Mitsubishi Electric Mobility Corporation
- Power transmission device3 Sep 2026US 2026/0258859 A1JATCO Ltd
- Vehicle drive device27 Aug 2026US 2026/0251211 A1Aisin Corporation
Most cited
By later US patents
- Axle driving apparatus175US 4,914,907 AKanzaki Kokyukoki Mgf. Co. Ltd. · 1990
- Axle driving apparatus87US 4,986,073 AKanzaki Kokyukoki Mfg.Co., Ltd. · 1991
- Axle driving apparatus84US 5,146,748 AKanzaki Kokyukoki Mfg.Co., Ltd. · 1992
- Device for indicating contamination degree of hydraulic circuit and method of judging the contamination degree61US 5,239,861 AKabushiki Kaisha Komatsu Seisakusho · 1993
- Emergency lubricating device for a reduction unit particularly for a main gear box of a rotary-wing aircraft60US 5,121,815 AAerospatiale Societe Nationale Industrielle · 1992