E01C 23/02
Devices for making, treating or filling grooves or like channels in not-yet-hardened
Official title: Devices for making, treating or filling grooves or like channels in not-yet-hardened paving, e.g. for joints or markings (surface patterning E01C19/43); Removable forms therefor (non-removable forms E01C11/02); Devices for introducing inserts or removable insert-supports in not-yet-hardened paving (E01C23/04 takes precedence; non-removable {joint} insert supports E01C11/02)
E01C23/02 (Devices for making, treating or filling grooves or like channels in not-yet-hardened) appears on 108 US grants and 87 published applications in this corpus.
Search patents in E01C- Granted patents
- 108
- Published applications
- 87
- Assignees
- 47
- Inventors
- 159
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 3 |
| 2005 | 1 | 4 |
| 2006 | 4 | 0 |
| 2007 | 0 | 0 |
| 2008 | 3 | 6 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 2 |
| 2013 | 3 | 4 |
| 2014 | 1 | 5 |
| 2015 | 8 | 3 |
| 2016 | 5 | 7 |
| 2017 | 7 | 9 |
| 2018 | 10 | 10 |
| 2019 | 4 | 5 |
| 2020 | 4 | 2 |
| 2021 | 4 | 5 |
| 2022 | 3 | 2 |
| 2023 | 1 | 3 |
| 2024 | 4 | 6 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for automatically guiding a road construction machine8 Sep 2026US 12,729,490 B2Roadtec, Inc.
- Void reducing asphalt membrane emulsion16 Jun 2026US 12,655,296 B2Russell Standard Corp.
- Vibration apparatus for concrete finishing tools and methods11 Mar 2025US 12,247,361 B2Baron Innovative Technology LP
- Method and apparatus for deployment of a communication line onto a surface such as a roadway or pathway3 Dec 2024US 12,158,630 B2TRAXyL, Inc.
- Vibratory grouting drilling rig with auxiliary moving mechanism26 Nov 2024US 12,152,360 B2SAFEKEY Engineering Technology (Zhengzhou), Ltd.
- Void Reducing Asphalt Membrane Emulsion24 Sep 2026US 2026/0286134 A1Russell Standard Corp.
- Concrete Expansion Joint Installer6 Aug 2026US 2026/0226691 A1
- Floats, float assemblies, float adapters and interfaces, and float vibration apparatus, and methods28 Aug 2025US 2025/0270770 A1Baron Innovative Technology LP
- Method and Apparatus for Deployment of a Communication Line Onto a Surface Such as a Roadway or Pathway20 Feb 2025US 2025/0060554 A1TRAXyL, Inc.
- Void Reducing Asphalt Membrane Emulsion12 Dec 2024US 2024/0409776 A1Russell Standard Corp.
Most cited
By later US patents
- Expansion joint for longitudinal load transfer61US 9,739,049 B1Schul International Company, LLC · 2017
- Expansion joint for longitudinal load transfer61US 9,745,738 B2Schul International Company, LLC · 2017
- Expansion joint for longitudinal load transfer57US 9,856,641 B2Schul International Company, LLC · 2018
- Expansion joint seal with surface load transfer, intumescent, and internal sensor55US 9,982,428 B2Schul International Company, LLC · 2018
- Expansion joint seal with surface load transfer and intumescent53US 9,951,515 B2Schul International Company, LLC · 2018