E02F 9/2217
With energy recovery arrangements
Official title: {with energy recovery arrangements, e.g. using accumulators, flywheels}
E02F9/2217 (With energy recovery arrangements) appears on 701 US grants and 789 published applications in this corpus.
Search patents in E02F- Granted patents
- 701
- Published applications
- 789
- Assignees
- 174
- Inventors
- 1,131
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 2 |
| 2002 | 8 | 8 |
| 2003 | 7 | 13 |
| 2004 | 14 | 12 |
| 2005 | 15 | 17 |
| 2006 | 15 | 12 |
| 2007 | 7 | 25 |
| 2008 | 11 | 19 |
| 2009 | 12 | 20 |
| 2010 | 10 | 26 |
| 2011 | 9 | 19 |
| 2012 | 15 | 38 |
| 2013 | 20 | 67 |
| 2014 | 37 | 71 |
| 2015 | 58 | 59 |
| 2016 | 39 | 57 |
| 2017 | 52 | 51 |
| 2018 | 58 | 39 |
| 2019 | 51 | 28 |
| 2020 | 43 | 29 |
| 2021 | 35 | 40 |
| 2022 | 32 | 42 |
| 2023 | 35 | 34 |
| 2024 | 31 | 23 |
| 2025 | 29 | 22 |
| 2026 | 10 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Apparatus for operating a machine work tool23 Jun 2026US 12,662,798 B2Caterpillar Global Mining LLC
- Energy storage and reutilization for a single-rod electro-hydrostatic actuator9 Jun 2026US 12,650,138 B2University of Manitoba
- Container load assist system and method for a work vehicle19 May 2026US 12,631,008 B2Deere & Company
- Hydraulic drive system5 May 2026US 12,618,421 B2Kawasaki Jukogyo Kabushiki Kaisha
- Variable blade float3 Sep 2026US 2026/0258636 A1Deere & Company
- Load dampening system13 Aug 2026US 2026/0235142 A1J. C. Bamford Excavators Limited
- Mobile machine with improved electric powered actuator system6 Aug 2026US 2026/0226710 A1Moog Inc.
- Work machine6 Aug 2026US 2026/0226927 A1Komatsu Ltd.
- High-pressure hydraulic clutch cooling system for work vehicles30 Jul 2026US 2026/0218761 A1Deere & Company
Most cited
By later US patents
- Hydraulic system with cross function regeneration90US 6,502,393 B1HUSCO International, Inc. · 2003
- Construction equipment79US 6,725,581 B2Komatsu Ltd. · 2004
- Energy recovery device69US 5,477,677 AHydac Technology GmbH · 1995
- Hybrid construction equipment69US 6,708,787 B2Komatsu Ltd. · 2004
- Construction machine69US 7,086,226 B2Komatsu Ltd. · 2006