B65G 19/22
Impellers
Official title: Impellers, e.g. push-plates, scrapers; Guiding means therefor
B65G19/22 (Impellers) appears on 330 US grants and 214 published applications in this corpus.
Search patents in B65G- Granted patents
- 330
- Published applications
- 214
- Assignees
- 220
- Inventors
- 529
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 10 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 2 |
| 2002 | 7 | 8 |
| 2003 | 11 | 5 |
| 2004 | 2 | 7 |
| 2005 | 4 | 4 |
| 2006 | 5 | 3 |
| 2007 | 3 | 3 |
| 2008 | 3 | 3 |
| 2009 | 3 | 8 |
| 2010 | 1 | 3 |
| 2011 | 6 | 12 |
| 2012 | 7 | 7 |
| 2013 | 5 | 8 |
| 2014 | 12 | 12 |
| 2015 | 11 | 11 |
| 2016 | 15 | 9 |
| 2017 | 13 | 16 |
| 2018 | 18 | 18 |
| 2019 | 16 | 9 |
| 2020 | 13 | 18 |
| 2021 | 14 | 13 |
| 2022 | 13 | 9 |
| 2023 | 10 | 10 |
| 2024 | 11 | 8 |
| 2025 | 8 | 2 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Conveyor system26 May 2026US 12,637,292 B2Builders FirstSource, Inc.
- Chain guide for grain elevator of combine harvester17 Mar 2026US 12,575,500 B2CNH Industrial America LLC
- Conveying device of products for automatic dispensers14 Oct 2025US 12,441,551 B2Sandenvendo Europe S.p.A.
- Automated car wash system, car wash conveyor system and automated car wash method29 Jul 2025US 12,370,981 B2ABA Highpoint LLC
- System for fixing push rods to a chain13 May 2025US 12,296,448 B2Reepack S.R.L.
- Conveyor system3 Sep 2026US 2026/0257867 A1Builders FirstSource, Inc.
- Feederhouse belt arrangement23 Jul 2026US 2026/0208962 A1AGCO do Brasil Soluções Agrícolas Ltda.
- Integrated packaging box storage device23 Jul 2026US 2026/0208983 A1Suzhou Cai Machine Group Co., Ltd.
- A conveyor chain for conveying material11 Jun 2026US 2026/0159325 A1Omya International AG
- Conveyor device15 Jan 2026US 2026/0015179 A1Hitachi Industry & Control Solutions, Ltd.
Most cited
By later US patents
- Conveyor system with movable partitions77US 5,131,524 A1992
- Conveyor chain and transverse member monitoring apparatus73US 10,807,804 B2Brentwood Industries, Inc. · 2020
- Sorter41US 5,551,543 AThe Interlake Companies, Inc. · 1996
- Packaging machine38US 5,638,659 ARiverwood International Corporation · 1997
- Device for forming successive batches of articles comprising means of transferring the articles35US 6,520,316 B2Aries Packaging · 2003