E02F 3/475
For making foundation slots
Official title: {for making foundation slots (slotting machines with a pair of digging wheels E02F3/205)}
E02F3/475 (For making foundation slots) appears on 18 US grants and 20 published applications in this corpus.
Search patents in E02F- Granted patents
- 18
- Published applications
- 20
- Assignees
- 11
- Inventors
- 49
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 6 |
| 2025 | 4 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Construction method and arrangement for carrying out a construction project4 Aug 2026US 12,700,049 B2BAUER Spezialtiefbau GmbH
- Work implement with a mechanical diaphragm wall gripper and method for carrying out a working step of such a work implement19 May 2026US 12,630,999 B2Liebherr-Werk Nenzing GmbH
- Measuring arrangement and removal device with a measuring arrangement13 Jan 2026US 12,522,997 B2BAUER Maschinen GmbH
- Deep foundation excavator7 Oct 2025US 12,435,486 B2Hitachi Construction Machinery Co., Ltd.
- Excavation machine having a frame equipped with guide wings26 Aug 2025US 12,398,534 B2
- Deep Foundation Excavator13 Aug 2026US 2026/0234897 A1Hitachi Construction Machinery Co., Ltd.
- Trench wall device and method for creating a trench in the ground11 Sep 2025US 2025/0283293 A1BAUER Maschinen GmbH
- Civil engineering device and method for operating a civil engineering device27 Feb 2025US 2025/0067018 A1BAUER Maschinen GmbH
- Grab device and method for operating a grab device10 Oct 2024US 2024/0337088 A1BAUER Maschinen GmbH
- Measuring arrangement and removal device with a measuring arrangement11 Jul 2024US 2024/0229404 A9BAUER Maschinen GmbH
Most cited
By later US patents
- Excavating equipment fitted with surface clamps14US 5,836,089 A1998
- Process for guiding the excavation tool used for the construction of a wall cast in the ground, and excavation tool for implementing this process8US 5,263,798 ASociete anonyme dite Sondages Injections Forages "S.I.F." Entreprise Bachy · 1993
- Direction control system for a slurry wall device8US 6,076,290 ABAUER Spezialtiefbau GmbH · 2000
- Grab for excavators of foundation walls and rectangular piles, and an excavator provided with said grab7US 6,446,364 B12002
- Machine for digging a trench and making a wall in said trench6US 7,481,604 B2Compagnie du Sol · 2009