E01C 23/00
Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or
Official title: Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces (apparatus for reconditioning of salvaged non-hydraulic compositions {for- in plant recycling of salvaged bituminous mixtures} E01C19/10)
E01C23/00 (Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or) appears on 3,038 US grants and 2,622 published applications in this corpus.
Search patents in E01C- Granted patents
- 3,038
- Published applications
- 2,622
- Assignees
- 980
- Inventors
- 3,882
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 20 | 0 |
| 1978 | 27 | 0 |
| 1979 | 17 | 0 |
| 1980 | 24 | 0 |
| 1981 | 28 | 0 |
| 1982 | 31 | 0 |
| 1983 | 23 | 0 |
| 1984 | 21 | 0 |
| 1985 | 27 | 0 |
| 1986 | 36 | 0 |
| 1987 | 53 | 0 |
| 1988 | 49 | 0 |
| 1989 | 53 | 0 |
| 1990 | 50 | 0 |
| 1991 | 28 | 0 |
| 1992 | 29 | 0 |
| 1993 | 39 | 0 |
| 1994 | 33 | 0 |
| 1995 | 35 | 0 |
| 1996 | 38 | 0 |
| 1997 | 28 | 0 |
| 1998 | 31 | 0 |
| 1999 | 46 | 0 |
| 2000 | 45 | 0 |
| 2001 | 37 | 10 |
| 2002 | 46 | 29 |
| 2003 | 41 | 45 |
| 2004 | 39 | 41 |
| 2005 | 18 | 40 |
| 2006 | 44 | 55 |
| 2007 | 29 | 40 |
| 2008 | 39 | 60 |
| 2009 | 30 | 58 |
| 2010 | 40 | 62 |
| 2011 | 43 | 68 |
| 2012 | 49 | 80 |
| 2013 | 65 | 116 |
| 2014 | 88 | 125 |
| 2015 | 122 | 118 |
| 2016 | 115 | 154 |
| 2017 | 105 | 177 |
| 2018 | 146 | 158 |
| 2019 | 200 | 198 |
| 2020 | 164 | 164 |
| 2021 | 152 | 185 |
| 2022 | 126 | 152 |
| 2023 | 154 | 167 |
| 2024 | 119 | 127 |
| 2025 | 108 | 116 |
| 2026 | 85 | 77 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E01C 23/06Devices or arrangements for working the finished surface2,042
- E01C 23/16Devices for marking-out, applying, or forming traffic or like markings on finished459
- E01C 23/01Devices or auxiliary means for setting-out or checking the configuration of new316
- E01C 23/14Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or138
- E01C 23/04Devices for laying inserting or positioning reinforcing elements or dowel bars with110
- E01C 23/02Devices for making, treating or filling grooves or like channels in not-yet-hardened108
- E01C 23/03Arrangements for curing paving71
- E01C 23/05Devices for installing or removing forms4
Recent patents
- Method and device for detecting deflection basin based on deformation speed under rolling load29 Sep 2026US 12,747,546 B2Wuhan Optics Valley Zoyon Sci and Tech Co., Ltd.
- Predominantly electrically operated earth working machine29 Sep 2026US 12,747,547 B2Wirtgen GmbH
- Robotic maintenance vehicle and modules29 Sep 2026US 12,747,551 B2Rmv Leasing LLC
- Milling attachment15 Sep 2026US 12,735,850 B2Wirtgen GmbH
- Ground milling machine, in particular road milling machine, stabilizer or recycler, method for moving a ground milling machine in a direction up to 90º transverse to a longitudinal machine direction and method for positioning a ground milling machine for maintenance works and/or for transport8 Sep 2026US 12,728,919 B2BOMAG GmbH
- Method of processing roadway material to prevent or reduce cracking and/or deterioration8 Oct 2026US 2026/0308052 A1
- Hinge assembly for undercarriage system of work machine1 Oct 2026US 2026/0296539 A1Caterpillar Paving Products Inc.
- Bimodal binder compositions, processes of making bimodal binder compositions, and fast-drying aqueous compositions comprising a bimodal binder compostion1 Oct 2026US 2026/0297372 A1Rohm and Haas Company
- Accuracy of State of Compaction Determination1 Oct 2026US 2026/0297863 A1Caterpillar Paving Products Inc.
- Material removal manufacture, assembly, and method of assembly1 Oct 2026US 2026/0297868 A1Dynatech Systems, Inc.
Most cited
By later US patents
- Highway premarking guidance system322US 4,247,870 AHer Majesty the Queen in right of Canada, as represented by the Minister of Highways and Transportation · 1981
- Rotary cutter for a road planer151US 4,006,936 ADresser Industries, Inc. · 1977
- Methods and apparatus for mobile additive manufacturing of advanced structures and roadways147US 9,724,877 B22017
- Global positioning system controlled paint sprayer143US 6,299,934 B1Trimble Navigation Limited · 2001
- Global positioning system controlled paint sprayer130US 6,074,693 ATrimble Navigation Limited · 2000