E02F 5/108
Using suction-effect devices
Official title: {using suction-effect devices (suction heads per se E02F3/9243, E02F3/9256)}
E02F5/108 (Using suction-effect devices) appears on 40 US grants and 14 published applications in this corpus.
Search patents in E02F- Granted patents
- 40
- Published applications
- 14
- Assignees
- 22
- Inventors
- 73
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 3 | 4 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Underwater excavation apparatus8 Oct 2024US 12,110,653 B2Rotech Group Limited
- Material handling systems and methods3 Sep 2024US 12,077,935 B2Wing Marine LLC
- Material handling systems and methods28 Nov 2023US 11,828,042 B2Wing Marine LLC
- Underwater excavation apparatus21 Nov 2023US 11,821,164 B2Rotech Holdings Limited
- Underwater excavation apparatus16 May 2023US 11,649,607 B2Rotech Holdings Limited
- Operation system and operation method for underwater jet trenching and cable laying16 Apr 2026US 2026/0103869 A1Crrc Smd (Shanghai), Ltd.
- Material handling systems and methods14 Mar 2024US 2024/0084549 A1Wing Marine LLC
- Material handling systems and methods22 Jun 2023US 2023/0193589 A1Wing Marine LLC
- Underwater excavation apparatus4 May 2023US 2023/0138350 A1Rotech Group Limited
- Automated Dual Excavation For Hydro/Pneumatic Vacuum Excavators16 Mar 2023US 2023/0080378 A1Clean Harbors Industrial Services, Inc.
Most cited
By later US patents
- Device for laying underground or digging up subsea conduits37US 4,479,741 ASNAMPROGETTI S.p. A. · 1984
- Marine pipeline installation system32US 4,091,629 A1978
- Sea sled with jet pump for underwater trenching and slurry removal28US 4,165,571 ASanta Fe International Corporation · 1979
- Jet sled spoil scoop apparatus27US 4,295,757 A1981
- Self-propelled underwater trenching apparatus and method23US 4,274,760 A1981