E02F 3/9231
Suction wheels with axis of rotation parallel to longitudinal axis of the
Official title: {Suction wheels with axis of rotation parallel to longitudinal axis of the suction pipe}
E02F3/9231 (Suction wheels with axis of rotation parallel to longitudinal axis of the) appears on 50 US grants and 20 published applications in this corpus.
Search patents in E02F- Granted patents
- 50
- Published applications
- 20
- Assignees
- 33
- Inventors
- 87
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 9 | 0 |
| 1983 | 6 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 3 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 3 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Trench cutter and method for forming a cut trench in the ground21 Apr 2026US 12,606,983 B2BAUER Maschinen GmbH
- Cutter thrust bearing assembly27 Jan 2026US 12,534,870 B2Great Lakes Dredge & Dock Company, LLC
- Cutter head with suction function and a method for using same10 Sep 2024US 12,084,830 B2
- Cutter head with skirt14 Nov 2023US 11,814,813 B2IHC Holland IE B.V.
- Trench cutter and method for producing a cut trench in the soil1 Feb 2022US 11,236,480 B2BAUER Spezialtiefbau GmbH
- Civil engineering machine and method for forming a hole10 Sep 2026US 2026/0266018 A1BAUER Offshore Technologies GmbH
- Machine for removing sediment, dregs, and the like27 Aug 2026US 2026/0249332 A1Gerotto Federico S.R.L.
- Trench cutter and method for forming a cut trench in the ground1 Feb 2024US 2024/0035252 A1BAUER Maschinen GmbH
- Cutter thrust bearing assembly28 Dec 2023US 2023/0417013 A1Great Lakes Dredge & Dock Company, LLC
- Trench cutter and method for producing a cut trench in the soil1 Apr 2021US 2021/0095435 A1BAUER Spezialtiefbau GmbH
Most cited
By later US patents
- In-line centrifugal pump115US 4,305,214 A1981
- Mechanical excavating machines including rotary cutter and suction tube29US 3,930,324 ABritish Gas Corporation · 1976
- Method and apparatus for removing sediment or other flowable solid material from a bed underlying a body of water27US 4,312,762 A1982
- System for collecting and conveying undersea mineral resources15US 4,503,629 A1985
- Dredging with a pressurized, rotating liquid stream15US 4,914,841 AEddy Pump Corporation · 1990