F01M 2013/045
Using compression or decompression of the gas
Official title: {using compression or decompression of the gas}
F01M2013/045 (Using compression or decompression of the gas) appears on 26 US grants and 27 published applications in this corpus.
Search patents in F01M- Granted patents
- 26
- Published applications
- 27
- Assignees
- 21
- Inventors
- 66
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 2 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 3 |
| 2017 | 3 | 1 |
| 2018 | 3 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 3 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 3 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Fluid recovery system8 Jun 2023US 2023/0175498 A1
- Separation Assembly with Multiple Separators and a Single Jet Pump Assembly23 Mar 2023US 2023/0091372 A1Cummins Filtration Inc.
- Duckbill aerosol separator with always open refinement19 May 2022US 2022/0154608 A1Cummins Filtration IP, Inc.
- Breather canister for crankcase23 Jul 2020US 2020/0231346 A1Campbell Hausfeld, LLC
Most cited
By later US patents
- Method and apparatus for treating crankcase emissions46US 6,058,917 AVortex Automotive Corporation · 2000
- Oil separating device for a combustion engine44US 7,080,636 B2Dichtungstechnik G. Bruss GmbH & Co. KG · 2006
- Method and apparatus for treating crankcase emissions24US 6,729,316 B1Vortex Automotive Corporation · 2004
- Device for separating a gas-liquid mixture21US 7,799,109 B2Mahle International GmbH · 2010
- Air filter20US 5,409,514 A1995