E02F 3/905
Manipulating or supporting suction pipes or ladders
Official title: {Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes (for heave compensation E02F9/067 takes precedence; pipelines per se E02F7/10; joints for pipes in general F16L)}
E02F3/905 (Manipulating or supporting suction pipes or ladders) appears on 140 US grants and 74 published applications in this corpus.
Search patents in E02F- Granted patents
- 140
- Published applications
- 74
- Assignees
- 82
- Inventors
- 204
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 7 | 0 |
| 1983 | 8 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 7 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 2 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 3 | 5 |
| 2010 | 2 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 4 |
| 2013 | 0 | 6 |
| 2014 | 3 | 3 |
| 2015 | 6 | 8 |
| 2016 | 5 | 10 |
| 2017 | 5 | 2 |
| 2018 | 5 | 4 |
| 2019 | 6 | 4 |
| 2020 | 2 | 3 |
| 2021 | 2 | 0 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sea-bed mining vehicle6 Jan 2026US 12,516,497 B2Deeptech NV
- Boom assembly for an excavation vehicle and method thereof9 Dec 2025US 12,492,529 B2Federal Signal Corporation
- Boom turret for an excavation vehicle and method thereof11 Mar 2025US 12,247,372 B2Federal Signal Corporation
- Method and apparatus for excavating a soil containing mass22 Oct 2024US 12,123,165 B1
- Cutter head with suction function and a method for using same10 Sep 2024US 12,084,830 B2
- Method for controlling an articulated arm with a mobile remote control unit located spatially distant therefrom, and suction excavator14 May 2026US 2026/0131473 A1Rsp GmbH
- Vacuum vehicle with electrically non-conductive boom2 Apr 2026US 2026/0092426 A1
- Boom assembly for an excavation vehicle and method thereof26 Mar 2026US 2026/0085489 A1Federal Signal Corporation
- Material-receiving device for a suction excavator, and suction excavator having said material-receiving device19 Feb 2026US 2026/0049460 A1Rsp GmbH
- Dredge system30 Oct 2025US 2025/0333928 A1Eddy Pump Corporation
Most cited
By later US patents
- Hydraulic excavating machine41US 5,408,766 A1995
- Hydrovac excavating blast wand39US 6,273,512 B12001
- Mechanical excavating machines including rotary cutter and suction tube29US 3,930,324 ABritish Gas Corporation · 1976
- Fairing for pipes26US 4,171,674 A1979
- Hand operated suction dredge head and hydraulic submersible pump assembly25US 4,352,251 A1982