B07B 1/14
Roller screens
B07B1/14 (Roller screens) appears on 271 US grants and 183 published applications in this corpus.
Search patents in B07B- Granted patents
- 271
- Published applications
- 183
- Assignees
- 151
- Inventors
- 376
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 14 | 1 |
| 2002 | 5 | 0 |
| 2003 | 2 | 6 |
| 2004 | 3 | 7 |
| 2005 | 2 | 0 |
| 2006 | 5 | 10 |
| 2007 | 2 | 3 |
| 2008 | 2 | 6 |
| 2009 | 5 | 4 |
| 2010 | 5 | 14 |
| 2011 | 5 | 8 |
| 2012 | 6 | 8 |
| 2013 | 7 | 7 |
| 2014 | 14 | 9 |
| 2015 | 11 | 11 |
| 2016 | 9 | 12 |
| 2017 | 8 | 6 |
| 2018 | 8 | 9 |
| 2019 | 8 | 14 |
| 2020 | 4 | 5 |
| 2021 | 11 | 13 |
| 2022 | 9 | 11 |
| 2023 | 10 | 6 |
| 2024 | 9 | 6 |
| 2025 | 5 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for separating feed material30 Jun 2026US 12,667,864 B2Usg Umweltservice GmbH & Co. KG
- Staggered and inter-impinging self-cleaning screening device10 Feb 2026US 12,544,794 B2Anyang Hengwei Petrochemical Equipment Co., Ltd.
- Device to sort a mixed solid waste stream10 Feb 2026US 12,544,796 B1CP Manufacturing, Inc.
- Method for operating a machine for harvesting and/or separating root crops, associated machine and associated computer program product7 Oct 2025US 12,433,190 B2Grimme Landmaschinenfabrik GmbH & Co. KG
- Screening hopper30 Sep 2025US 12,427,545 B2Ecofill Group Limited
- Screening, crushing or mixing arrangement for heavy equipment24 Sep 2026US 2026/0284706 A1Allu Innovation and Research Center Oy
- Device for separating crops from debris9 Jul 2026US 2026/0192335 A1Agec AB
- Compound auger disc23 Apr 2026US 2026/0108915 A1CP Manufacturing, Inc.
- Automated de-powdering of additive manufacturing build25 Sep 2025US 2025/0296284 A1General Electric Company
- Staggered and inter-impinging self-cleaning screening device26 Jun 2025US 2025/0205742 A1Anyang Hengwei Petrochemical Equipment Co., Ltd.
Most cited
By later US patents
- Refuse material recovery system46US 5,465,847 A1995
- Method and apparatus for sorting recycled material46US 5,960,964 ABulk Handling, Inc. · 1999
- Waste aggregate mass density separator45US 5,361,909 A1994
- Rotary disc screen conveyor apparatus42US 4,795,036 AWilliams Patent Crusher and Pulverizer Company · 1989
- Method and apparatus for separating paper from cardboard35US 5,799,801 ABulk Handling System, Inc. · 1998