E02F 3/304
With the dipper-arm slidably mounted on the boom
Official title: {with the dipper-arm slidably mounted on the boom (E02F3/305 takes precedence)}
E02F3/304 (With the dipper-arm slidably mounted on the boom) appears on 98 US grants and 99 published applications in this corpus.
Search patents in E02F- Granted patents
- 98
- Published applications
- 99
- Assignees
- 26
- Inventors
- 112
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 8 |
| 2013 | 8 | 11 |
| 2014 | 7 | 17 |
| 2015 | 15 | 16 |
| 2016 | 14 | 8 |
| 2017 | 9 | 11 |
| 2018 | 9 | 7 |
| 2019 | 7 | 0 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 3 | 4 |
| 2024 | 1 | 2 |
| 2025 | 3 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Dipper handle assembly14 Oct 2025US 12,442,153 B2Caterpillar Global Mining LLC
- Method and system for calculating the mass of material in an excavating machine bucket7 Oct 2025US 12,436,020 B2Hummingbird Solutions Inc.
- Modular ground engagement tooling system29 Apr 2025US 12,286,771 B2Joy Global Surface Mining Inc
- System and method for estimating a payload of an industrial machine6 Feb 2024US 11,891,772 B2Joy Global Surface Mining Inc
- Method and system for calculating the mass of material in an excavating machine bucket10 Oct 2023US 11,781,286 B1
- Modular ground engagement tooling system7 Aug 2025US 2025/0250780 A1Joy Global Surface Mining Inc
- Dipper handle for electric rope shovel26 Jun 2025US 2025/0207347 A1Caterpillar Global Mining Equipment LLC
- Hoist rope protection10 Apr 2025US 2025/0116084 A1
- Method and system for calculating the mass of material in an excavating machine bucket12 Sep 2024US 2024/0301660 A1Hummingbird Solutions Inc.
- Method and system for calculating the mass of material in an excavating machine bucket12 Sep 2024US 2024/0302201 A1Hummingbird Solutions Inc.
Most cited
By later US patents
- Motor drive system for an electric mining shovel85US 4,263,535 ABucyrus-Erie Company · 1981
- Systems, devices, and/or methods regarding excavating73US 7,832,126 B2Siemens Industry, Inc. · 2010
- Power shovel with variable pitch braces33US 5,499,463 AHarnischfeger Corporation · 1996
- Power shovel with dipper door snubber and/or closure assembly30US 6,219,946 B1Harnischfeger Technologies, Inc. · 2001
- Hydraulic crowd control mechanism for a mining shovel24US 7,174,826 B2Bucyrus International, Inc. · 2007