E01C 19/15
For laying-down uncoated stone or similar materials, or for striking-off or spreading
Official title: for laying-down uncoated stone or similar materials, or for striking-off or spreading same without compacting, e.g. for crushed rock base courses, sand cushions for paving ({E01C19/466} , E01C19/52 take precedence; distributing E01C19/20; {laying down and rolling E01C19/482})
E01C19/15 (For laying-down uncoated stone or similar materials, or for striking-off or spreading) appears on 94 US grants and 86 published applications in this corpus.
Search patents in E01C- Granted patents
- 94
- Published applications
- 86
- Assignees
- 34
- Inventors
- 141
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 4 |
| 2007 | 3 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 2 | 3 |
| 2012 | 1 | 1 |
| 2013 | 3 | 3 |
| 2014 | 4 | 2 |
| 2015 | 5 | 6 |
| 2016 | 3 | 5 |
| 2017 | 6 | 11 |
| 2018 | 3 | 1 |
| 2019 | 4 | 12 |
| 2020 | 3 | 4 |
| 2021 | 5 | 6 |
| 2022 | 6 | 3 |
| 2023 | 9 | 6 |
| 2024 | 1 | 5 |
| 2025 | 4 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hand tool2 Jun 2026US 12,644,237 B2Easy Slabber Holdings Limited
- Mobile turf instrument apparatus17 Feb 2026US 12,553,715 B2The Toro Company
- Aggregate spreading device with spreader system13 May 2025US 12,297,606 B2Ligchine International Corporation
- Autonomous ground surface treatment systems, vehicles, and methods4 Mar 2025US 12,239,055 B2The Toro Company
- Roller assembly for smoothing granular media25 Feb 2025US 12,232,437 B2Momentus Golf
- Grading attachment23 Jul 2026US 2026/0210073 A1Ligchine International Corporation
- Mobile turf instrument apparatus25 Jun 2026US 2026/0177378 A1The Toro Company
- Road construction device and method for modifying a road construction device5 Jun 2025US 2025/0179742 A1Reptail Oy
- Autonomous ground surface treatment systems, vehicles, and methods15 May 2025US 2025/0151673 A1The Toro Company
- Multifunctionnal spreading device2 Jan 2025US 2025/0003160 A19432-0090 QuéBec Inc.
Most cited
By later US patents
- Apparatus and methods for efficient and precise placement of discrete quantities of materials adjacent to the apparatus111US 5,470,175 ASpudnik Equipment Company LLC · 1995
- Drilling apparatus and cutter therefor50US 4,722,615 AA-Z International Tool Company · 1988
- Powered strike-off plow43US 7,195,423 B2Somero Enterprises, Inc. · 2007
- Pavement repair system36US 9,637,870 B12017
- Pavement repair system utilizing solid phase autoregenerative cohesion35US 8,992,118 B22015