E01C 19/22
Machines, tools or auxiliary devices for preparing or distributing paving materials, for
Official title: for consolidating or finishing laid-down unset materials ({E01C19/002, E01C19/48, E01C21/00} E01C23/02 {E01C23/065} take precedence; apparatus for generating vibrations in general B06B)
E01C19/22 (Machines, tools or auxiliary devices for preparing or distributing paving materials, for) appears on 1,530 US grants and 1,294 published applications in this corpus.
Search patents in E01C- Granted patents
- 1,530
- Published applications
- 1,294
- Assignees
- 395
- Inventors
- 1,872
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 10 | 0 |
| 1978 | 15 | 0 |
| 1979 | 9 | 0 |
| 1980 | 16 | 0 |
| 1981 | 12 | 0 |
| 1982 | 23 | 0 |
| 1983 | 12 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 13 | 0 |
| 1987 | 25 | 0 |
| 1988 | 30 | 0 |
| 1989 | 22 | 0 |
| 1990 | 17 | 0 |
| 1991 | 13 | 0 |
| 1992 | 15 | 0 |
| 1993 | 23 | 0 |
| 1994 | 9 | 0 |
| 1995 | 18 | 0 |
| 1996 | 21 | 0 |
| 1997 | 19 | 0 |
| 1998 | 17 | 0 |
| 1999 | 26 | 0 |
| 2000 | 26 | 0 |
| 2001 | 28 | 4 |
| 2002 | 34 | 33 |
| 2003 | 28 | 31 |
| 2004 | 30 | 31 |
| 2005 | 19 | 26 |
| 2006 | 28 | 42 |
| 2007 | 23 | 28 |
| 2008 | 20 | 24 |
| 2009 | 21 | 24 |
| 2010 | 19 | 37 |
| 2011 | 20 | 28 |
| 2012 | 31 | 21 |
| 2013 | 36 | 42 |
| 2014 | 28 | 42 |
| 2015 | 51 | 69 |
| 2016 | 59 | 71 |
| 2017 | 65 | 82 |
| 2018 | 78 | 58 |
| 2019 | 83 | 54 |
| 2020 | 50 | 81 |
| 2021 | 46 | 100 |
| 2022 | 64 | 91 |
| 2023 | 59 | 98 |
| 2024 | 63 | 66 |
| 2025 | 63 | 59 |
| 2026 | 62 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E01C 19/23Rollers therefor723
- E01C 19/30Tamping or vibrating apparatus other than rollers493
- E01C 19/42Machines for imparting a smooth finish to freshly-laid paving courses other than259
- E01C 19/43Machines or arrangements for roughening or patterning freshly-laid paving courses98
- E01C 19/44Hand-actuated tools other than rollers, tampers, or vibrators, specially adapted for imparting69
- E01C 19/41Apparatus having both rolling tools and ramming, tamping, or vibrating tools18
Recent patents
- Construction tool handle29 Sep 2026US 12,747,543 B2Milwaukee Electric Tool Corporation
- High-production truss-mounted screed assembly29 Sep 2026US 12,747,544 B2GOMACO Corporation
- Battery-powered stand-alone motor unit29 Sep 2026US 12,749,949 B2Milwaukee Electric Tool Corporation
- 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.
- Accuracy of State of Compaction Determination1 Oct 2026US 2026/0297863 A1Caterpillar Paving Products Inc.
- Plate compactor1 Oct 2026US 2026/0297864 A1Milwaukee Electric Tool Corporation
- Concrete forming tool24 Sep 2026US 2026/0286721 A1Bull Force Concrete Products LLC
- Slipform paver10 Sep 2026US 2026/0266002 A1Wirtgen GmbH
- Vibrating power tool and components thereof3 Sep 2026US 2026/0258613 A1
Most cited
By later US patents
- Convertible construction machine118US 4,029,165 AMiller Formless Co., Inc. · 1977
- 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
- Tools for imprinting non-repeating stone patterns in fresh concrete92US 4,135,840 A1979
- Mobile soil compacting device whose direction of travel is stabilized91US 6,846,128 B2Wacker Construction Equipment AG · 2005