F01M 2001/1035
Comprising centrifugal filters
Official title: {comprising centrifugal filters}
F01M2001/1035 (Comprising centrifugal filters) appears on 77 US grants and 46 published applications in this corpus.
Search patents in F01M- Granted patents
- 77
- Published applications
- 46
- Assignees
- 44
- Inventors
- 141
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 0 |
| 2003 | 5 | 0 |
| 2004 | 1 | 4 |
| 2005 | 3 | 4 |
| 2006 | 2 | 3 |
| 2007 | 2 | 2 |
| 2008 | 1 | 2 |
| 2009 | 3 | 2 |
| 2010 | 2 | 0 |
| 2011 | 4 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 3 | 2 |
| 2016 | 0 | 2 |
| 2017 | 1 | 4 |
| 2018 | 2 | 4 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 4 | 5 |
| 2022 | 2 | 1 |
| 2023 | 3 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Internal combustion engine12 May 2026US 12,624,651 B2Innio Jenbacher GmbH & Co OG
- Internal combustion engine4 Jun 2024US 12,000,316 B2Innio Jenbacher GmbH & Co OG
- Centrifugal debris pre-separator for turbine engine oil filter30 Apr 2024US 11,970,960 B2Rtx Corporation
- Intermediate cover of a filter housing of a filter for purifying liquid fluids and filter insert, filter and use12 Dec 2023US 11,839,843 B2Mann+Hummel GmbH
- Exchangeable filter of a treatment device for treatment of, in particular, liquid fluids and a treatment device21 Nov 2023US 11,821,395 B2Mann+Hummel GmbH
- Lubricating oil purification system and lubricating oil purification method5 Mar 2026US 2026/0061339 A1Mitsubishi Kakoki Kaisha, Ltd.
- Lubricating oil purification system and lubricating oil purification method31 Jul 2025US 2025/0243425 A1Mitsubishi Kakoki Kaisha, Ltd.
- Internal combustion engine26 Sep 2024US 2024/0318583 A1Innio Jenbacher GmbH & Co OG
- Separation Device for Separating Impurities from Fluid to be Cleaned, Load Determination Apparatus for a Separation Device, and Method for Determining an Impurity Load State4 Apr 2024US 2024/0109080 A1Mann+Hummel GmbH
- Internal combustion engine3 Nov 2022US 2022/0349324 A1Innio Jenbacher GmbH & Co OG
Most cited
By later US patents
- Centrifugal filter for removing soot from engine oil84US 6,517,475 B1Analytical Engineering, Inc. · 2003
- Oil filter I81US 4,997,556 AMitsubishi Oil Co., Ltd. · 1991
- Nozzle inlet enhancement for a high speed turbine-driven centrifuge64US 6,019,717 AFleetguard, Inc. · 2000
- Extended life combination filter63US 6,709,575 B1Nelson Industries, Inc. · 2004
- Self-driven, cone-stack type centrifuge56US 5,637,217 AFleetguard, Inc. · 1997