E02F 3/9225
With rotating cutting elements
Official title: {with rotating cutting elements}
E02F3/9225 (With rotating cutting elements) appears on 116 US grants and 49 published applications in this corpus.
Search patents in E02F- Granted patents
- 116
- Published applications
- 49
- Assignees
- 78
- Inventors
- 211
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 13 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 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 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 5 | 7 |
| 2016 | 2 | 6 |
| 2017 | 7 | 1 |
| 2018 | 5 | 3 |
| 2019 | 0 | 2 |
| 2020 | 3 | 2 |
| 2021 | 2 | 4 |
| 2022 | 3 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 7 |
| 2025 | 0 | 0 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Trench cutter and method for forming a cut trench in the ground21 Apr 2026US 12,606,983 B2BAUER Maschinen GmbH
- Walk behind grinding tool with horizontally aligned guides and grinding drum7 Apr 2026US 12,594,639 B2Corning Research & Development Corporation
- 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.
- 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.
- Self-propelled vehicle for the removal of sediments, particularly in hazardous areas28 May 2026US 2026/0146406 A1Gerotto Federico S.R.L.
- Subsea Blower Device5 Dec 2024US 2024/0401305 A1Jarala AS
- Diaphragm wall cutter and method for cutting a cutting trench in the ground18 Jul 2024US 2024/0240427 A1BAUER Maschinen 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
- Cutter head for suction dredges27US 4,319,415 AVereinigte Edelstahlwerke Aktiengesellschaft · 1982
- Dredging head23US 3,962,803 ANational Car Rental System, Inc. · 1976