E02F 7/04
Loading devices mounted on a dredger or an excavator hopper dredgers, also
Official title: Loading devices mounted on a dredger or an excavator (loading devices in general B65G ){hopper dredgers, also equipment for unloading the hopper}
E02F7/04 (Loading devices mounted on a dredger or an excavator hopper dredgers, also) appears on 76 US grants and 49 published applications in this corpus.
Search patents in E02F- Granted patents
- 76
- Published applications
- 49
- Assignees
- 50
- Inventors
- 135
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 7 |
| 2016 | 1 | 4 |
| 2017 | 3 | 4 |
| 2018 | 1 | 3 |
| 2019 | 5 | 5 |
| 2020 | 4 | 3 |
| 2021 | 4 | 0 |
| 2022 | 1 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 0 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dredge system2 Jun 2026US 12,644,252 B2Eddy Pump Corporation
- Pipe layer attachment for an excavator7 Apr 2026US 12,595,637 B2Volvo Construction Equipment AB
- Method and apparatus for excavating a soil containing mass22 Oct 2024US 12,123,165 B1
- Swing automation for rope shovel25 Jun 2024US 12,018,463 B2Joy Global Surface Mining Inc
- Microdredging system and method of using the same7 Mar 2023US 11,598,069 B2Coolfish Robotics LLC
- Suction Excavator30 Jul 2026US 2026/0218484 A1Mobile Tiefbausaugsysteme GmbH
- Subsea mining2 Jul 2026US 2026/0185446 A1Mhwirth AS
- Dual power swivel system7 May 2026US 2026/0125875 A1Latitude Innovations
- Swing automation for rope shovel20 Mar 2025US 2025/0092642 A1Joy Global Surface Mining Inc
- Discharging system for a hopper9 Jan 2025US 2025/0012047 A1IHC Holland IE B.V.
Most cited
By later US patents
- Pipeline padding machine and method42US 4,377,365 A1983
- Swing automation for rope shovel34US 8,768,579 B2Harnischfeger Technologies, Inc. · 2014
- Seabed mining utilizing circulating current based on water level differences27US 4,053,181 A1977
- Method and apparatus for dredging employing a transport fluid flowing in substantially closed recirculating course26US 3,975,842 ABos Kalis Westminster Group N.V. · 1976
- Sandbag-filling apparatus24US 5,873,396 ASandbag Systems, Inc. · 1999