E01C 21/00
Apparatus or processes for surface soil stabilisation for road building or like
Official title: Apparatus or processes for surface {soil} stabilisation for road building or like purposes, e.g. mixing local aggregate with binder ({recycling in place or on the road involving soil stabilisation E01C23/065} ; stabilising soil under existing surfacing E01C23/10; soil-conditioning or soil-stabilising materials C09K17/00; soil consolidation in general E02D3/12)
E01C21/00 (Apparatus or processes for surface soil stabilisation for road building or like) appears on 234 US grants and 248 published applications in this corpus.
Search patents in E01C- Granted patents
- 234
- Published applications
- 248
- Assignees
- 104
- Inventors
- 402
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 0 |
| 2004 | 2 | 5 |
| 2005 | 1 | 5 |
| 2006 | 3 | 0 |
| 2007 | 3 | 3 |
| 2008 | 0 | 6 |
| 2009 | 2 | 3 |
| 2010 | 3 | 8 |
| 2011 | 10 | 10 |
| 2012 | 4 | 10 |
| 2013 | 9 | 11 |
| 2014 | 12 | 17 |
| 2015 | 20 | 18 |
| 2016 | 11 | 16 |
| 2017 | 13 | 12 |
| 2018 | 12 | 12 |
| 2019 | 13 | 14 |
| 2020 | 5 | 17 |
| 2021 | 18 | 18 |
| 2022 | 14 | 15 |
| 2023 | 12 | 18 |
| 2024 | 9 | 10 |
| 2025 | 11 | 10 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composition and method for equine arena footing treatment14 Jul 2026US 12,680,023 B1
- Foundation, apparatus and method for producing the same16 Jun 2026US 12,655,588 B2Betolar Oy
- Method for operating a movable compaction device during material compaction work28 Apr 2026US 12,612,745 B2Roadscanners Holding Oy
- Compaction-based dynamic automated compaction plan17 Mar 2026US 12,577,749 B2Caterpillar Paving Products Inc.
- Method for operating a soil processing machine3 Mar 2026US 12,565,105 B2Hamm AG
- Device and method for applying binder for soil stabilization3 Sep 2026US 2026/0258614 A1Wirtgen GmbH
- Vibratory plate compactor and method for adjusting a transport device of a vibratory plate compactor pivotable between a stowed position and a transport position11 Jun 2026US 2026/0160028 A1BOMAG GmbH
- Compaction-based dynamic automated compaction plan4 Jun 2026US 2026/0152917 A1Caterpillar Paving Products Inc.
- Dust suppression composition and methods of use thereof14 May 2026US 2026/0132336 A1
- Treatment process for the stabilization of soils5 Mar 2026US 2026/0062615 A1Holcim Technology Ltd
Most cited
By later US patents
- Apparatus for preparing a road bed55US 5,190,398 A1993
- Soil amendment with rubber particles39US 5,014,462 AInternational Soil Systems, Inc. · 1991
- Device for treating soils or road surfaces38US 6,887,013 B2Wirtgen GmbH · 2005
- Pavement repair system utilizing solid phase autoregenerative cohesion35US 8,992,118 B22015
- Method of upgrading gravel and/or dirt roads and a composite road resulting therefrom34US 6,623,207 B2KMC Enterprises, Inc. · 2003