F02M 59/105
Hydraulic drive
Official title: {hydraulic drive (F02M59/32 takes precedence)}
F02M59/105 (Hydraulic drive) appears on 397 US grants and 169 published applications in this corpus.
Search patents in F02M- Granted patents
- 397
- Published applications
- 169
- Assignees
- 91
- Inventors
- 485
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 10 | 0 |
| 1984 | 11 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 15 | 0 |
| 1996 | 19 | 0 |
| 1997 | 13 | 0 |
| 1998 | 22 | 0 |
| 1999 | 17 | 0 |
| 2000 | 26 | 0 |
| 2001 | 16 | 4 |
| 2002 | 37 | 23 |
| 2003 | 22 | 22 |
| 2004 | 23 | 32 |
| 2005 | 25 | 17 |
| 2006 | 10 | 19 |
| 2007 | 14 | 7 |
| 2008 | 9 | 6 |
| 2009 | 7 | 2 |
| 2010 | 4 | 11 |
| 2011 | 2 | 1 |
| 2012 | 6 | 0 |
| 2013 | 3 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 5 |
| 2016 | 1 | 0 |
| 2017 | 3 | 2 |
| 2018 | 4 | 7 |
| 2019 | 3 | 0 |
| 2020 | 0 | 2 |
| 2021 | 3 | 5 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual fuel engine system having fuel-actuated unit pumps and method25 Feb 2025US 12,234,782 B1Caterpillar Inc.
- Injector apparatus4 Oct 2022US 11,459,990 B2Rklab AG
- Rotary engine lubrication system using intensifier injector16 Nov 2021US 11,174,732 B1Pratt & Whitney Canada Corp.
- Engine16 Nov 2021US 11,174,826 B2IHI Corporation
- Control device for internal combustion engine having pressure increasing device6 Apr 2021US 10,968,850 B2Toyota Jidosha Kabushiki Kaisha
- High Pressure Fuel Pump With Configuration To Mitigate Cavitation9 Jul 2026US 2026/0194033 A1
- Dual fuel system for engine having fuel-actuated fuel pump and method27 Mar 2025US 2025/0101926 A1Caterpillar Inc.
- Rotary engine lubrication system using intensifier injector18 Nov 2021US 2021/0355898 A1Pratt & Whitney Canada Corp.
- Injector apparatus26 Aug 2021US 2021/0262427 A1Rklab AG
- Direct injection assembly for a dual injection system of a motor vehicle6 May 2021US 2021/0131394 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Priming reservoir and volume compensation device for hydraulic unit injector fuel system168US 5,245,970 ANavistar International Transportation Corp. · 1993
- High speed fuel injector106US 5,460,329 A1995
- Methods of conditioning fluid in an electronically-controlled unit injector for starting96US 5,121,730 ACaterpillar Inc. · 1992
- Fuel injector for an internal combustion engine88US 4,603,671 ANippon Soken, Inc. · 1986
- Pressure-controlled fuel injection for internal combustion engines86US 4,628,881 ABKM, Inc. · 1986