E01C 2019/109
Mixing containers having a counter flow drum, i.e. the flow of material
Official title: {Mixing containers having a counter flow drum, i.e. the flow of material is opposite to the gas flow}
E01C2019/109 (Mixing containers having a counter flow drum, i.e. the flow of material) appears on 125 US grants and 36 published applications in this corpus.
Search patents in E01C- Granted patents
- 125
- Published applications
- 36
- Assignees
- 38
- Inventors
- 104
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 4 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 2 | 3 |
| 2009 | 2 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 4 | 7 |
| 2013 | 3 | 0 |
| 2014 | 1 | 1 |
| 2015 | 3 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 4 |
| 2021 | 0 | 1 |
| 2022 | 3 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for processing up to 100% RAP in an asphalt plant28 Nov 2023US 11,828,028 B1Stansteel Corporation
- Reversed interstitial paddles16 May 2023US 11,649,595 B2Astec, Inc.
- Plant for the production and distribution of bituminous conglomerates30 Aug 2022US 11,427,973 B2
- Indirect heated heating/drying/mixing drum for processing recycled asphalt products and method therefor28 Jun 2022US 11,371,195 B2Phoenix Industries
- Plant for the production and distribution of bituminous conglomerates14 Jun 2022US 11,359,339 B2
- Control of an asphalt mixing plant27 Mar 2025US 2025/0101691 A1
- Reversed interstitial paddles6 Oct 2022US 2022/0316150 A1Astec, Inc.
- Indirect heated heating/drying/mixing drum for processing recycled asphalt products and method therefor24 Jun 2021US 2021/0189664 A1Phoenix Industries
- Recycled asphalt production apparatus9 Jul 2020US 2020/0215506 A1Green Asphalt Co. LLC
- Plant for the production and distribution of bituminous conglomerates7 May 2020US 2020/0141070 A1Marini S.p.A.
Most cited
By later US patents
- Asphaltic pavement treating apparatus and method63US 4,226,552 A1980
- Asphalt plant with segmented drum and zonal heating48US 5,083,870 A1992
- Countercurrent drum mixer asphalt plant46US 4,787,938 AStandard Havens, Inc. · 1988
- Drum heating and mixing apparatus and method45US 4,600,379 A1986
- Asphalt plant with improved temperature control system34US 4,190,370 AAstec Industries, Inc. · 1980