E02F 5/20
For vertical holes
Official title: for vertical holes
E02F5/20 (For vertical holes) appears on 25 US grants and 24 published applications in this corpus.
Search patents in E02F- Granted patents
- 25
- Published applications
- 24
- Assignees
- 12
- Inventors
- 35
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 1 | 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 | 1 |
| 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 | 2 |
| 2017 | 1 | 8 |
| 2018 | 0 | 1 |
| 2019 | 5 | 2 |
| 2020 | 6 | 3 |
| 2021 | 5 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods to provide pressed and aggregate filled concavities for improving ground stiffness and uniformity21 Apr 2026US 12,606,969 B2Ingios Geotechnics, Inc.
- Machine for performing excavations, in particular for drilling, and method associated to such machine25 Nov 2025US 12,480,278 B2Soilmec S.p.A.
- Apparatus and method for excavating a cone shaped pit3 Jun 2025US 12,320,094 B1
- Work machine with leader20 May 2025US 12,305,509 B2Liebherr-Werk Nenzing GmbH
- Systems and methods to provide pressed and aggregate filled concavities for improving ground stiffness and uniformity9 Jul 2024US 12,031,287 B2Ingios Geotechnics, Inc.
- Deep Foundation Excavator13 Aug 2026US 2026/0234897 A1Hitachi Construction Machinery Co., Ltd.
- Systems and Methods to Provide Pressed and Aggregate Filled Concavities for Improving Ground Stiffness and Uniformity2 Jan 2025US 2025/0003167 A1Ingios Geotechnics, Inc.
- Core drill system for excavator19 Sep 2024US 2024/0309604 A1Egun Co., Ltd.
- Work machine with leader1 Feb 2024US 2024/0035340 A1Liebherr-Werk Nenzing GmbH
- Machine for performing excavations, in particular for drilling, and method associated to such machine12 Oct 2023US 2023/0323628 A1Soilmec S.p.A.
Most cited
By later US patents
- Method and apparatus for point-repair of sewer and other utility lines6US 5,564,863 ATTI Trenchless Technologies, Inc. · 1996
- Protective housing assembly for an in-ground pop up sprinkler, and a system and method for installation thereof5US 10,919,068 B12021
- Systems and methods to provide pressed and aggregate filled concavities for improving ground stiffness and uniformity3US 10,196,793 B2Ingios Geotechnics, Inc. · 2019
- Hydro-excavation plug3US 10,934,667 B22021
- Grave opening and closing machine3US 4,063,374 A1977