B65G 23/32
Driving gear for endless conveyors: for effecting drive at two or more
Official title: for effecting drive at two or more points spaced along the length of the conveyors
B65G23/32 (Driving gear for endless conveyors: for effecting drive at two or more) appears on 88 US grants and 51 published applications in this corpus.
Search patents in B65G- Granted patents
- 88
- Published applications
- 51
- Assignees
- 84
- Inventors
- 175
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 2 | 4 |
| 2014 | 4 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 6 |
| 2017 | 5 | 3 |
| 2018 | 4 | 3 |
| 2019 | 6 | 4 |
| 2020 | 2 | 4 |
| 2021 | 3 | 6 |
| 2022 | 1 | 4 |
| 2023 | 7 | 0 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Spiral conveyor multiple drive system1 Sep 2026US 12,722,902 B2JBT Marel Corporation
- Conveyor system17 Mar 2026US 12,578,697 B2Itoh Denki Co., Ltd.
- System and method for controlling conveyor system tension2 Dec 2025US 12,486,115 B2FPS Food Process Solutions Corporation
- Conveying device and inspection system2 Sep 2025US 12,404,110 B2Nuctech Company Limited
- Power transfer from main boom section to distal boom section in a conveyor assembly22 Oct 2024US 12,122,607 B1
- Spiral conveyor multiple drive system18 Jun 2026US 2026/0167429 A1JBT Marel Corporation
- Conveying device and inspection system21 Mar 2024US 2024/0092584 A1Nuctech Company Limited
- System and method for controlling conveyor system tension22 Feb 2024US 2024/0059494 A1FPS Food Process Solutions Corporation
- Conveyor system for material transport on cold planer22 Dec 2022US 2022/0402701 A1Caterpillar Paving Products Inc.
- Lifting and lowering transportation device3 Nov 2022US 2022/0348411 A1Murata Machinery, Ltd.
Most cited
By later US patents
- Planetary overriding gearing and overriding driving for chain belts and the like, particularly for chain conveyors and chaindrawn mining machines67US 4,939,949 AGewerkschaft Eisenhutte Westfalia · 1990
- Positive drive helical conveyor system57US 4,741,430 AAshworth Bros., Inc. · 1988
- Positive drive helical conveyor system40US 4,852,720 AAshworth Bros., Inc. · 1989
- Portable conveyor system36US 5,096,045 APace Incorporated · 1992
- System for indicating extent of overdrive in frictional drive arrangements30US 5,191,267 A1993