E01C 19/202
Solely rotating
Official title: {solely rotating, e.g. discharging and spreading drums}
E01C19/202 (Solely rotating) appears on 221 US grants and 159 published applications in this corpus.
Search patents in E01C- Granted patents
- 221
- Published applications
- 159
- Assignees
- 102
- Inventors
- 346
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 3 |
| 2003 | 5 | 12 |
| 2004 | 9 | 7 |
| 2005 | 5 | 9 |
| 2006 | 5 | 7 |
| 2007 | 2 | 2 |
| 2008 | 2 | 4 |
| 2009 | 0 | 3 |
| 2010 | 5 | 5 |
| 2011 | 6 | 10 |
| 2012 | 1 | 6 |
| 2013 | 10 | 8 |
| 2014 | 8 | 7 |
| 2015 | 8 | 10 |
| 2016 | 10 | 8 |
| 2017 | 11 | 8 |
| 2018 | 2 | 9 |
| 2019 | 7 | 9 |
| 2020 | 9 | 10 |
| 2021 | 7 | 6 |
| 2022 | 4 | 3 |
| 2023 | 5 | 3 |
| 2024 | 5 | 5 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Road paver21 Apr 2026US 12,606,965 B2Ningbo Roaby Technology Industrial Group Co., Ltd.
- Modular dual wall spreader with liquid storage tanks3 Jun 2025US 12,318,802 B2Oy Hilltip AB
- Systems and methods for automating the application of friction-modifying coatings27 May 2025US 12,312,753 B2The Truesdell Corporation
- Salt spreader attachable to earth moving equipment9 Jul 2024US 12,031,283 B2
- Agitation assemblies for a spreader11 Jun 2024US 12,005,410 B2The Toro Company
- Material Storage and Spreading System12 Feb 2026US 2026/0043206 A1Apply Right, LLC
- Spreader for Spreading Spreadable Material and Spreading Chute2 Oct 2025US 2025/0301942 A1Amazonen-Werke H. Dreyer SE & Co. KG
- Uniform spreading control system25 Sep 2025US 2025/0297432 A1Dartpoint Tech. Co., Ltd.
- Spreading vehicle with sloping spreading discs and filler piece14 Nov 2024US 2024/0376677 A1Ludwig Bergmann GmbH
- Salt spreader attachable to earth moving equipment31 Oct 2024US 2024/0360637 A1
Most cited
By later US patents
- Mount and feeder arrangement for a precision placement spreader97US 6,220,532 B1The Louis Berkman Company · 2001
- Spreader assembly89US 6,089,478 ATrynex, Inc. · 2000
- Spreader control85US 4,523,280 ADickey-john Corporation · 1985
- Precision placement spreader67US 5,947,391 AThe Louis Berkman Company · 1999
- Spreader vehicle for solid and liquid thawing materials65US 4,442,979 A1984