E02F 3/142
Tools mounted on buckets or chains which loosen the soil
Official title: {tools mounted on buckets or chains which loosen the soil, e.g. cutting wheels, or the like (teeth per se E02F9/28)}
E02F3/142 (Tools mounted on buckets or chains which loosen the soil) appears on 46 US grants and 29 published applications in this corpus.
Search patents in E02F- Granted patents
- 46
- Published applications
- 29
- Assignees
- 19
- Inventors
- 65
- Latest grant
- 9 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 4 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 1 | 2 |
| 2010 | 6 | 2 |
| 2011 | 3 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 0 | 2 |
| 2021 | 3 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Machine to backfill pipelines with improved lifting device5 Jan 2021US 10,883,251 B1Scaip S.P.A.
- Predictive replacement for heavy machinery10 Dec 2019US 10,504,072 B2Joy Global Surface Mining Inc
- Cutter assembly with freewheeling cutting elements16 Jul 2019US 10,352,163 B2
- Method and apparatus for forming a trench for cable installation26 Jan 2023US 2023/0028817 A1
- Machine to backfill pipelines with improved lifting device17 Dec 2020US 2020/0392697 A1Scaip S.P.A.
- Predictive replacement for heavy machinery5 Mar 2020US 2020/0074414 A1Joy Global Surface Mining Inc
- Predictive replacement for heavy machinery6 Dec 2018US 2018/0349863 A1Joy Global Surface Mining Inc
- Utility whisker broom8 Mar 2018US 2018/0066407 A1Clark Equipment Company
Most cited
By later US patents
- Rolling assembly and pick assembly mounted on a trencher44US 7,681,338 B22010
- Digging tooth and teeth arrayed in combination with endless excavating chain19US 4,924,609 AThe Charles Machine Works, Inc. · 1990
- Bucket chain excavator19US 5,228,220 A1993
- Excavator for constructing underground continuous wall and construction method using the excavator17US 5,349,765 AHokushin Kogyo Corporation · 1994
- Slit trencher14US 4,861,199 A1989