E02F 3/3411
Of the z-type
Official title: {of the Z-type}
E02F3/3411 (Of the z-type) appears on 100 US grants and 80 published applications in this corpus.
Search patents in E02F- Granted patents
- 100
- Published applications
- 80
- Assignees
- 43
- Inventors
- 223
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 1 | 1 |
| 2011 | 3 | 0 |
| 2012 | 2 | 3 |
| 2013 | 1 | 3 |
| 2014 | 9 | 15 |
| 2015 | 8 | 7 |
| 2016 | 7 | 5 |
| 2017 | 6 | 3 |
| 2018 | 0 | 3 |
| 2019 | 3 | 3 |
| 2020 | 2 | 6 |
| 2021 | 2 | 4 |
| 2022 | 1 | 5 |
| 2023 | 4 | 3 |
| 2024 | 4 | 0 |
| 2025 | 4 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Attitude maintenance mechanism of front loader and front loader15 Sep 2026US 12,735,855 B2Kubota Corporation
- Working machine4 Nov 2025US 12,460,372 B2Kubota Corporation
- Control unit8 Jul 2025US 12,352,013 B2Volvo Construction Equipment AB
- Linkage arrangement for a working machine22 Apr 2025US 12,281,458 B2Volvo Construction Equipment AB
- Lubrication distribution system for machine with kinematic linkages15 Apr 2025US 12,276,081 B2Caterpillar Inc.
- Work machine and load mass calculation method24 Sep 2026US 2026/0286660 A1Komatsu Ltd.
- Control unit2 Oct 2025US 2025/0305245 A1Volvo Construction Equipment AB
- Working Machine8 May 2025US 2025/0146245 A1J. C. Bamford Excavators Limited
- Front loader3 Apr 2025US 2025/0109568 A1Kubota Corporation
- Front loader27 Mar 2025US 2025/0101708 A1Kubota Corporation
Most cited
By later US patents
- Load weighing and accumulating system and method for hydraulic loader68US 4,230,196 A1980
- Linkage arrangement for a skid-steer loader48US 5,807,061 ACase Corporation · 1998
- Device for detachably mounting a work member to construction equipment30US 5,865,594 AVolvo Construction Equipment Korea Co., Ltd. · 1999
- Method and apparatus for controlling angles of working machine27US 6,246,939 B1Komatsu Ltd. · 2001
- Payload material density calculation and machine using same27US 8,838,331 B2Caterpillar Inc. · 2014