E01C 19/23
Rollers therefor
Official title: Rollers therefor; Such rollers usable also for compacting soil ({E01C19/41,} E01C19/43, {E01C19/52, E01C23/065} take precedence; specially adapted for agricultural purposes A01B29/00; garden rollers A01G20/35; making or maintaining surfaces of snow or ice E01H4/00; solely for soil compaction E02D3/026)
E01C19/23 (Rollers therefor) appears on 723 US grants and 648 published applications in this corpus.
Search patents in E01C- Granted patents
- 723
- Published applications
- 648
- Assignees
- 199
- Inventors
- 978
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 13 | 0 |
| 1981 | 5 | 0 |
| 1982 | 11 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 2 |
| 2002 | 16 | 11 |
| 2003 | 13 | 17 |
| 2004 | 17 | 15 |
| 2005 | 6 | 8 |
| 2006 | 11 | 17 |
| 2007 | 9 | 11 |
| 2008 | 8 | 12 |
| 2009 | 11 | 11 |
| 2010 | 8 | 15 |
| 2011 | 7 | 12 |
| 2012 | 16 | 15 |
| 2013 | 19 | 23 |
| 2014 | 17 | 22 |
| 2015 | 28 | 35 |
| 2016 | 34 | 36 |
| 2017 | 24 | 41 |
| 2018 | 30 | 24 |
| 2019 | 34 | 31 |
| 2020 | 33 | 41 |
| 2021 | 21 | 58 |
| 2022 | 37 | 52 |
| 2023 | 32 | 50 |
| 2024 | 38 | 30 |
| 2025 | 37 | 29 |
| 2026 | 31 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E01C 19/28Vibrated rollers or rollers subjected to impacts404
- E01C 19/26Self-propelled or fitted to road vehicles263
- E01C 19/236Construction of the rolling elements60
- E01C 19/238Wetting, cleaning or heating rolling elements48
- E01C 19/29Rolling apparatus adapted to apply a rolling pressure less than its weight39
- E01C 19/27With elastically-deformable rolling elements32
- E01C 19/24Hand propelled28
- E01C 19/235Rolling apparatus designed to roll following a path other than essentially linear23
Recent patents
- Ground processing roller15 Sep 2026US 12,735,848 B2Hamm AG
- System and method for determining compaction of work surface8 Sep 2026US 12,729,492 B2Caterpillar Paving Products Inc.
- Compactor path planning based on edge type25 Aug 2026US 12,716,180 B2Caterpillar Paving Products Inc.
- Concrete surface working machine with actuator-controlled rock tamper28 Jul 2026US 12,692,672 B2Somero Enterprises, Inc.
- Asphalt compactor creep mode21 Jul 2026US 12,686,977 B2Caterpillar Paving Products Inc.
- Accuracy of State of Compaction Determination1 Oct 2026US 2026/0297863 A1Caterpillar Paving Products Inc.
- Electric roller27 Aug 2026US 2026/0250917 A1Sakai Heavy Industries, Ltd.
- Compaction Wheel Mounting System and Method for Use20 Aug 2026US 2026/0243033 A1Rocking B Investments, LLC
- Self-propelled ground compactor23 Jul 2026US 2026/0210062 A1Hamm AG
- Compactor having control system for estimating remaining compaction work23 Jul 2026US 2026/0210063 A1Caterpillar Paving Products Inc.
Most cited
By later US patents
- Method of measuring mechanical data of a soil, and of compacting the soil, and measuring or soil-compaction device102US 6,431,790 B1Ammann Verdichtung AG · 2002
- Method and apparatus for determining the performance of a compaction machine based on energy transfer97US 6,188,942 B1Caterpillar Inc. · 2001
- Method and apparatus for monitoring soil compaction84US 6,004,076 ACompaction Technology (Soil) Limited · 1999
- Drivable device for compacting a soil layer structure and method for ascertaining a layer modulus of elasticity of an uppermost layer of this soil layer structure80US 8,671,760 B2BOMAG GmbH · 2014
- Method for planning and implementation of soil compacting processes, especially for asphalt compacting80US 9,982,397 B2Hamm AG · 2018