E02F 3/144
Emptying or cleaning the buckets
Official title: {emptying or cleaning the buckets, e.g. in combination with spoil removing equipment}
E02F3/144 (Emptying or cleaning the buckets) appears on 11 US grants and 4 published applications in this corpus.
Search patents in E02F- Granted patents
- 11
- Published applications
- 4
- Assignees
- 7
- Inventors
- 28
- Latest grant
- 2 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 1 | 0 |
| 1998 | 1 | 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 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Earth equipment maintenance tool2 Nov 2021US 11,161,154 B2Texas Toothpick, LLC
- Device for digging diaphragms15 Mar 2016US 9,284,715 B2Soilmec S.p.A.
- Digging system and method15 May 2012US 8,176,662 B2
- Apparatus for in-situ soil remediation3 Nov 1998US 5,830,752 A
- Method for in situ soil remediation20 May 1997US 5,631,160 A
Most cited
By later US patents
- Method for in situ soil remediation40US 5,631,160 A1997
- Apparatus for in-situ soil remediation26US 5,830,752 A1998
- Elevator apparatus for towed deep-sea particle harvester5US 3,955,294 AHawaii Marine Research, Inc. · 1976
- Excavator5US 4,171,582 AMorooka Co. Ltd. · 1979
- Trenching machine for cutting preferably frozen ground5US 4,432,584 ALeningradskoe Nauchno-Proizvodstvennoe Obiedinenie Zemleroinogo Mashinostroenia · 1984