B65F 3/22
With screw conveyors, rotary tanks
Official title: with screw conveyors, rotary tanks
B65F3/22 (With screw conveyors, rotary tanks) appears on 24 US grants and 22 published applications in this corpus.
Search patents in B65F- Granted patents
- 24
- Published applications
- 22
- Assignees
- 13
- Inventors
- 60
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 3 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pack through eject panel5 May 2026US 12,617,608 B2The Heil Co.
- Refuse packer system with auger30 Sep 2025US 12,428,223 B2The Heil Co.
- Refuse collection with auger and contamination detection panel5 Aug 2025US 12,378,068 B2The Heil Co.
- Front and side loading packers for electric refuse vehicle4 Jun 2024US 11,999,562 B2Oshkosh Corporation
- Pack through eject panel28 May 2024US 11,993,458 B2The Heil Co.
- Pack through eject panel30 Jul 2026US 2026/0217452 A1The Heil Co.
- Bulk waste compaction apparatus18 Jun 2026US 2026/0166561 A1
- Refuse intake and flow detecting18 Jun 2026US 2026/0167418 A1
- Refuse storage and compaction monitoring18 Jun 2026US 2026/0167419 A1
- Refuse packer system with auger15 Jan 2026US 2026/0015164 A1The Heil Co.
Most cited
By later US patents
- Refuse collection device61US 4,227,849 A1980
- Mobile document shredder with retractable loading tunnel and load cell22US 6,588,691 B2Shred-Tech Corporation · 2003
- Front loading and ejecting waste removal vehicle14US 3,944,098 AC.F.K. Engineering Company · 1976
- Impeller and compaction refuse collection system13US 4,640,659 A1987
- Screw conveyor system for compaction apparatus6US 10,427,871 B22019