E02F 3/9237
Suction wheels with axis of rotation in transverse direction of the longitudinal
Official title: {Suction wheels with axis of rotation in transverse direction of the longitudinal axis of the suction pipe}
E02F3/9237 (Suction wheels with axis of rotation in transverse direction of the longitudinal) appears on 56 US grants and 22 published applications in this corpus.
Search patents in E02F- Granted patents
- 56
- Published applications
- 22
- Assignees
- 44
- Inventors
- 94
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 0 |
| 2015 | 3 | 4 |
| 2016 | 1 | 2 |
| 2017 | 4 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 4 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Walk behind grinding tool with horizontally aligned guides and grinding drum7 Apr 2026US 12,594,639 B2Corning Research & Development Corporation
- Cutter head with suction function and a method for using same10 Sep 2024US 12,084,830 B2
- Excavation tool for making diaphragms and related excavation equipment22 Jun 2021US 11,041,282 B2Soilmec S.p.A.
- Tank excavator29 Sep 2020US 10,786,905 B1AGI Engineering, Inc.
- Hydromill wheel with single disc cutting rollers2 Jun 2020US 10,669,689 B2VSL International AG
- Self-propelled vehicle for the removal of sediments, particularly in hazardous areas28 May 2026US 2026/0146406 A1Gerotto Federico S.R.L.
- Diaphragm wall cutter and method for cutting a cutting trench in the ground18 Jul 2024US 2024/0240427 A1BAUER Maschinen GmbH
- Trench cutter30 May 2024US 2024/0175228 A1Liebherr-Werk Nenzing GmbH
- Trench cutter30 May 2024US 2024/0175237 A1Liebherr-Werk Nenzing GmbH
- Excavation machine including cutting discs and corresponding cutting method25 Jan 2024US 2024/0026640 A1
Most cited
By later US patents
- Dredging head23US 3,962,803 ANational Car Rental System, Inc. · 1976
- Slotted wall milling cutter20US 4,694,915 AKarl Bauer Spezialtiefbau GmbH & Co. KG · 1987
- Method for reducing costs and environmental impact of dredging19US 4,896,445 A1990
- Dredging system and apparatus18US 4,267,652 A1981
- Dredge cutter head17US 3,971,148 A1976