F01M 2001/0246
Adjustable pumps
Official title: {Adjustable pumps}
F01M2001/0246 (Adjustable pumps) appears on 64 US grants and 80 published applications in this corpus.
Search patents in F01M- Granted patents
- 64
- Published applications
- 80
- Assignees
- 44
- Inventors
- 153
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 4 |
| 2012 | 0 | 4 |
| 2013 | 3 | 2 |
| 2014 | 1 | 7 |
| 2015 | 0 | 4 |
| 2016 | 3 | 14 |
| 2017 | 7 | 6 |
| 2018 | 9 | 11 |
| 2019 | 11 | 11 |
| 2020 | 8 | 2 |
| 2021 | 7 | 3 |
| 2022 | 3 | 6 |
| 2023 | 5 | 1 |
| 2024 | 2 | 1 |
| 2025 | 3 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Maintaining oil pressure during cylinder deactivation operation1 Apr 2025US 12,264,604 B2Cummins Inc.
- Cooling system for a gas engine piston, gas engine, cooling method for gas engine piston11 Feb 2025US 12,221,918 B2Caterpillar Energy Solutions GmbH
- Engine lubrication systems, lubrication fluid circulation systems, and methods for regulating fluid pressure7 Jan 2025US 12,188,386 B2Cummins Inc.
- Variable displacement oil pump including swing member20 Feb 2024US 11,905,948 B2Hitachi Astemo, Ltd.
- System for lubricating an aeronautical engine9 Jan 2024US 11,867,076 B2Safran Aircraft Engines
- Oil supply apparatus for engine25 Jun 2026US 2026/0176989 A1Mazda Motor Corporation
- Lubrication system for an internal combustion engine25 Jun 2026US 2026/0176992 A1DAF Trucks N. V.
- Engine lubrication systems, lubrication fluid circulation systems, and methods for regulating fluid pressure7 Mar 2024US 2024/0077006 A1Cummins Inc.
- Cooling system for a gas engine piston, gas engine, cooling method for gas engine piston23 Nov 2023US 2023/0374931 A1Caterpillar Energy Solutions GmbH
- Method for controlling oil pressure in an oil pump of an internal combustion engine system22 Dec 2022US 2022/0403763 A1Volvo Truck Corporation
Most cited
By later US patents
- Pressure control system for a variable displacement hydraulic pump13US 5,800,130 ACaterpillar Inc. · 1998
- Variable displacement oil pump10US 9,410,514 B2Hitachi Automotive Systems, Ltd. · 2016
- Dual setpoint pressure controlled hydraulic valve9US 8,056,576 B2HUSCO Automotive Holdings LLC · 2011
- Control systems for a variable capacity engine oil pump5US 8,499,738 B2GM Global Technology Operations LLC · 2013
- Variable displacement vane pump with integrated fail safe function5US 9,534,519 B2Stackpole International Engineered Products, Ltd. · 2017