E01C 19/28
Vibrated rollers or rollers subjected to impacts
Official title: Vibrated rollers or rollers subjected to impacts, e.g. hammering blows ({E01C19/235, } E01C19/29, {E01C19/41} take precedence; {combined with non-vibrated elastically-deformable rolling elements E01C19/233})
E01C19/28 (Vibrated rollers or rollers subjected to impacts) appears on 404 US grants and 374 published applications in this corpus.
Search patents in E01C- Granted patents
- 404
- Published applications
- 374
- Assignees
- 132
- Inventors
- 617
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 6 |
| 2003 | 8 | 15 |
| 2004 | 13 | 10 |
| 2005 | 3 | 3 |
| 2006 | 4 | 7 |
| 2007 | 6 | 8 |
| 2008 | 2 | 6 |
| 2009 | 6 | 7 |
| 2010 | 5 | 7 |
| 2011 | 4 | 7 |
| 2012 | 10 | 7 |
| 2013 | 13 | 16 |
| 2014 | 6 | 15 |
| 2015 | 16 | 18 |
| 2016 | 19 | 24 |
| 2017 | 14 | 20 |
| 2018 | 18 | 13 |
| 2019 | 18 | 17 |
| 2020 | 21 | 21 |
| 2021 | 10 | 31 |
| 2022 | 25 | 29 |
| 2023 | 13 | 28 |
| 2024 | 23 | 19 |
| 2025 | 18 | 18 |
| 2026 | 21 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E01C 19/286Vibration or impact-imparting means189
- E01C 19/288Adapted for monitoring characteristics of the material being compacted147
- E01C 19/282Self-propelled94
- E01C 19/285With attachments for work other than rolling27
- E01C 19/281Propelled by hand or by vehicles15
- E01C 19/287With vibrated elastically-deformable or elastomer-faced rolling elements or with such elements subjected6
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.
- 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.
- Rolling compaction vehicle14 Jul 2026US 12,679,227 B2Honda Motor Co., Ltd.
- Accuracy of State of Compaction Determination1 Oct 2026US 2026/0297863 A1Caterpillar Paving Products Inc.
- Electric roller27 Aug 2026US 2026/0250917 A1Sakai Heavy Industries, Ltd.
- Compactor having control system for estimating remaining compaction work23 Jul 2026US 2026/0210063 A1Caterpillar Paving Products Inc.
- Grading attachment23 Jul 2026US 2026/0210073 A1Ligchine International Corporation
- System and method for tracking operations of mobile machines at jobsites9 Jul 2026US 2026/0193853 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 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
- Method and system for compaction measurement78US 8,635,903 B2Caterpillar Paving Products Inc. · 2014