E02F 3/3663
Hydraulically-operated
Official title: {hydraulically-operated}
E02F3/3663 (Hydraulically-operated) appears on 374 US grants and 373 published applications in this corpus.
Search patents in E02F- Granted patents
- 374
- Published applications
- 373
- Assignees
- 165
- Inventors
- 610
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 15 | 5 |
| 2002 | 10 | 15 |
| 2003 | 11 | 9 |
| 2004 | 8 | 9 |
| 2005 | 9 | 6 |
| 2006 | 8 | 9 |
| 2007 | 6 | 7 |
| 2008 | 6 | 11 |
| 2009 | 5 | 9 |
| 2010 | 10 | 16 |
| 2011 | 9 | 16 |
| 2012 | 8 | 11 |
| 2013 | 12 | 16 |
| 2014 | 9 | 17 |
| 2015 | 9 | 11 |
| 2016 | 11 | 15 |
| 2017 | 10 | 17 |
| 2018 | 16 | 16 |
| 2019 | 10 | 11 |
| 2020 | 14 | 23 |
| 2021 | 16 | 20 |
| 2022 | 14 | 18 |
| 2023 | 12 | 17 |
| 2024 | 20 | 39 |
| 2025 | 26 | 14 |
| 2026 | 13 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Working vehicle and attachment usage system25 Aug 2026US 12,716,193 B2Kubota Corporation
- Machinery implement coupling apparatus4 Aug 2026US 12,698,612 B2Daequip Premium Attachments Ltd
- Working vehicle and attachment usage system14 Jul 2026US 12,680,264 B2Kubota Corporation
- HVAC on frame of work machine14 Jul 2026US 12,680,268 B2Great Plains Manufacturing, Inc.
- Loader coupler with visual locking indicator2 Jun 2026US 12,644,250 B2Paladin Brands Group, Inc.
- Work tool coupling apparatus, system and method1 Oct 2026US 2026/0297885 A1Caterpillar Inc.
- Hydraulic circuit, loader, and working machine1 Oct 2026US 2026/0297886 A1Kubota Corporation
- Working vehicle and attachment usage system1 Oct 2026US 2026/0297887 A1Kubota Corporation
- Control device for a front loader and a front hitch of a work vehicle24 Sep 2026US 2026/0286645 A1
- Automatic quick connect apparatus13 Aug 2026US 2026/0234894 A1Deere & Company
Most cited
By later US patents
- Method for the extraction of sealed cartridges for the preparation of beverages75US 4,806,375 ANestec S. A. · 1989
- Connector with a spring-biased closure member65US 5,082,389 A1992
- Quick coupler apparatus63US 6,379,075 B1GH Hensley Industries, Inc. · 2002
- Coupling for earth moving tools etc.58US 4,480,955 AMaroochy Shire Council · 1984
- Connector58US 4,955,779 A1990