E01C 23/121
With non-powered tools
Official title: {with non-powered tools, e.g. rippers (rollers with ripping attachments E01C19/264, E01C19/27, E01C19/285; roughening or patterning using non powered tools E01C23/082)}
E01C23/121 (With non-powered tools) appears on 49 US grants and 20 published applications in this corpus.
Search patents in E01C- Granted patents
- 49
- Published applications
- 20
- Assignees
- 22
- Inventors
- 79
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 4 |
| 2007 | 4 | 1 |
| 2008 | 3 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Earth conditioning apparatus, systems and methods7 Jan 2025US 12,185,648 B2Rocks Gone Pty Ltd
- Gravel scarifying and levelling device with integrated roller device and methods of use thereof3 Sep 2024US 12,077,922 B2
- Specialty concrete remover24 Oct 2023US 11,795,656 B2
- Blade assembly for work vehicles9 Mar 2021US 10,941,529 B1National Flooring Equipment, Inc.
- Scraper bar for a scraper blade of a road milling machine18 Feb 2020US 10,563,363 B2Betek GmbH & Co. KG
- Hydraulic breaker chisel6 Jul 2023US 2023/0212836 A1Mapp Co., Ltd.
- Gravel scarifying and levelling device with integrated roller device and methods of use thereof9 Sep 2021US 2021/0277612 A1
- Earth conditioning apparatus, systems & methods19 Aug 2021US 2021/0251126 A1Rocks Gone Pty Ltd
- Specialty concrete remover19 Nov 2020US 2020/0362534 A1
- Devices, systems, and methods related to extracting infill from artificial turf4 Apr 2019US 2019/0100125 A1
Most cited
By later US patents
- Surface treating apparatus54US 3,989,401 A1976
- Tooth point for earth working54US 4,932,478 AESCO Corporation · 1990
- Method and apparatus for plastifying and tearing up of damaged roadsurfaces and covers41US 4,335,975 A1982
- Apparatus and method for continuously removing existing reinforced pavement and simultaneously replacing the same by a new pavement36US 5,026,205 A1991
- System for and method of demolition34US 6,764,139 B12004