E01C 23/12
For taking-up, tearing-up, or full-depth breaking-up paving
Official title: for taking-up, tearing-up, or {full-depth} breaking-up paving, {e.g. sett extractor}(adapted to both placing and removing {preformed} paving {elements} E01C19/52)
E01C23/12 (For taking-up, tearing-up, or full-depth breaking-up paving) appears on 615 US grants and 558 published applications in this corpus.
Search patents in E01C- Granted patents
- 615
- Published applications
- 558
- Assignees
- 134
- Inventors
- 571
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 11 | 0 |
| 1988 | 10 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 1 |
| 2003 | 2 | 5 |
| 2004 | 4 | 4 |
| 2005 | 2 | 2 |
| 2006 | 1 | 10 |
| 2007 | 5 | 2 |
| 2008 | 6 | 7 |
| 2009 | 2 | 6 |
| 2010 | 6 | 8 |
| 2011 | 9 | 12 |
| 2012 | 7 | 8 |
| 2013 | 14 | 24 |
| 2014 | 19 | 37 |
| 2015 | 32 | 32 |
| 2016 | 29 | 39 |
| 2017 | 25 | 46 |
| 2018 | 39 | 46 |
| 2019 | 63 | 58 |
| 2020 | 56 | 40 |
| 2021 | 43 | 46 |
| 2022 | 28 | 38 |
| 2023 | 51 | 42 |
| 2024 | 38 | 16 |
| 2025 | 19 | 15 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Milling attachment15 Sep 2026US 12,735,850 B2Wirtgen GmbH
- System and method for automatically guiding a road construction machine8 Sep 2026US 12,729,490 B2Roadtec, Inc.
- High power laser tunneling mining and construction equipment and methods of use25 Aug 2026US 12,715,063 B2Foro Energy, Inc.
- Method for controlling a road milling machine and road milling machine14 Jul 2026US 12,680,243 B2BOMAG GmbH
- Rolling wedge cutter drum30 Jun 2026US 12,668,933 B1
- Material removal manufacture, assembly, and method of assembly1 Oct 2026US 2026/0297868 A1Dynatech Systems, Inc.
- Rolling Wedge Cutter Drum1 Oct 2026US 2026/0297869 A1
- Air circulation system for rotor assembly17 Sep 2026US 2026/0275661 A1Caterpillar Paving Products Inc.
- Method for determining an assumed motion path traveled by a ground milling machine, and ground milling machine10 Sep 2026US 2026/0266004 A1BOMAG GmbH
- Systems and methods for road milling with adaptive plunge velocity6 Aug 2026US 2026/0226692 A1Caterpillar Paving Products Inc.
Most cited
By later US patents
- Pavement planing machine71US 4,878,713 AAlitec Corporation · 1989
- Cutting head for removing material with a high velocity jet of working liquid60US 4,761,039 AHydro-Ergon Corporation · 1988
- Method for determining the wear state60US 8,386,196 B2Wirtgen GmbH · 2013
- Roadway pavement planing machine57US 4,186,968 ABarco Manufacturing Company · 1980
- Demolition tool for a hydraulic excavator56US 5,060,378 ALaBounty Manufacturing, Inc. · 1991