E01C 19/2045
Spreading by means of an endless belt or like conveyor
Official title: {spreading by means of an endless belt or like conveyor}
E01C19/2045 (Spreading by means of an endless belt or like conveyor) appears on 22 US grants and 22 published applications in this corpus.
Search patents in E01C- Granted patents
- 22
- Published applications
- 22
- Assignees
- 18
- Inventors
- 44
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 3 | 4 |
| 2019 | 4 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Aggregate spreading device with spreader system13 May 2025US 12,297,606 B2Ligchine International Corporation
- Aggregate spreading device with spreader system26 Dec 2023US 11,851,828 B2Road Widener LLC
- Road construction materials spreading vehicle21 Nov 2023US 11,821,151 B2Qfe Holdings Pty. Ltd.
- Aggregate spreading device with spreader system13 Dec 2022US 11,525,223 B2Road Widener LLC
- Material placer and high volume supply hopper30 Nov 2021US 11,186,958 B2Guntert & Zimmerman Const. Div., Inc.
- Aggregate spreading device with spreader system7 Mar 2024US 2024/0076838 A1Ligchine International Corporation
- Aggregate spreading device with spreader system9 Feb 2023US 2023/0040964 A1Road Widener LLC
- Road construction materials spreading vehicle25 Aug 2022US 2022/0267966 A1Qfe Holdings Pty. Ltd.
- Material placer and high volume supply hopper17 Dec 2020US 2020/0392675 A1Guntert & Zimmerman Const. Div., Inc. (005430)
- Aggregate Spreading Device with Spreader System6 Aug 2020US 2020/0248413 A1Road Widener LLC
Most cited
By later US patents
- Material distributing apparatus95US 5,286,158 A1994
- Dump spreader22US 4,266,731 AAir-Flo Manufacturing Co., Inc. · 1981
- Flexible skid steer attachment device21US 8,322,947 B22012
- Parallel lift turret mount14US 10,150,660 B2Bay-Lynx Manufacturing Inc. · 2018
- Aggregate-spreading device10US 8,403,594 B22013