E02F 3/9287
Vibrating suction heads
Official title: {Vibrating suction heads}
E02F3/9287 (Vibrating suction heads) appears on 7 US grants and 3 published applications in this corpus.
Search patents in E02F- Granted patents
- 7
- Published applications
- 3
- Assignees
- 3
- Inventors
- 9
- Latest grant
- 18 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of exposing a utility buried below a roadway and a bore hole cleaning device18 Apr 2023US 11,629,478 B2Cciip LLC
- Method of exposing a utility buried below a roadway and a bore hole cleaning device8 Jun 2021US 11,028,556 B1Cciip LLC
- Recovery of sediments from the bottom of the sea by suspended suction pipe16 Aug 1983US 4,398,361 APreussag Aktiengesellschaft
- Apparatus for the subaqueous entrenching of pipes6 Jul 1982US 4,338,042 AEpi Pneuma Systems S.p.A.
- Underwater recovery apparatus28 Feb 1978US 4,076,313 A
- Excavating method and apparatus utilizing vibration and vacuum to eliminate the need for fluid3 Nov 2022US 2022/0349149 A1
- Method of exposing a utility buried below a roadway and a bore hole cleaning device2 Sep 2021US 2021/0270009 A1Cciip LLC
- Vibrating agitator attachment for Toyo dredge pumps7 Aug 2014US 2014/0215865 A1
Most cited
By later US patents
- Process and apparatus for dislodging and conveying material from a surface with a positive pressure fluid stream30US 4,018,483 A1977
- Alternate flow suction dredge10US 4,058,914 A1977
- Underwater recovery apparatus8US 4,076,313 A1978
- Apparatus for the subaqueous entrenching of pipes8US 4,338,042 AEpi Pneuma Systems S.p.A. · 1982
- Method of exposing a utility buried below a roadway and a bore hole cleaning device3US 11,028,556 B1Cciip LLC · 2021