E02F 3/52
Cableway excavators
Official title: Cableway excavators (cable cranes B66C)
E02F3/52 (Cableway excavators) appears on 22 US grants and 18 published applications in this corpus.
Search patents in E02F- Granted patents
- 22
- Published applications
- 18
- Assignees
- 11
- Inventors
- 35
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 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 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 1 | 4 |
| 2021 | 2 | 2 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 4 | 2 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Dipper assembly and parts thereof26 Aug 2025US 12,398,530 B2Mainetec Pty Ltd
- Material transfer system for a body of water31 Dec 2024US 12,180,678 B2Sea to Sky Energy Solutions Corp.
- Virtual field-based track protection for a mining machine21 May 2024US 11,987,961 B2Joy Global Surface Mining Inc
- Virtual track model for a mining machine26 Mar 2024US 11,939,748 B2Joy Global Surface Mining Inc
- Dipper assembly and parts thereof5 Mar 2024US 11,920,319 B2Mainetec Pty Ltd
- Cable Drag System with Hybrid Electric Drive25 Sep 2025US 2025/0296814 A1
- Material transfer system for a body of water27 Feb 2025US 2025/0067020 A1Sea to Sky Energy Solutions Corp.
- Virtual field-based track protection for a mining machine8 Aug 2024US 2024/0263428 A1
- Dipper assembly and parts thereof9 May 2024US 2024/0150994 A1Mainetec Pty Ltd
- Dragline with robotic bucket for dredging and excavating1 Dec 2022US 2022/0381001 A1
Most cited
By later US patents
- Method of transforming sludge into ecologically acceptable solid material63US 4,079,003 A1978
- Method and apparatus for treating sumps30US 4,028,240 A1977
- Waste material pond cleaning apparatus16US 5,412,884 A1995
- Load moment indicator system and method11US 10,782,202 B2Brandt Industries Canada Ltd. · 2020
- Predictive replacement for heavy machinery9US 10,504,072 B2Joy Global Surface Mining Inc · 2019