B65G 23/12
Arrangements of co-operating drums or rollers to augment tractive effort applied to
Official title: Arrangements of co-operating drums or rollers to augment tractive effort applied to the belts
B65G23/12 (Arrangements of co-operating drums or rollers to augment tractive effort applied to) appears on 47 US grants and 37 published applications in this corpus.
Search patents in B65G- Granted patents
- 47
- Published applications
- 37
- Assignees
- 34
- Inventors
- 79
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
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| 1985 | 0 | 0 |
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| 1987 | 0 | 0 |
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| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 3 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 4 | 2 |
| 2020 | 1 | 4 |
| 2021 | 3 | 1 |
| 2022 | 3 | 6 |
| 2023 | 2 | 1 |
| 2024 | 5 | 3 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Suspension track belt38US 7,051,870 B2APPLIED Materials.Inc. · 2006
- Belt conveyor19US 5,456,349 AAxmann-Fordertechnik GmbH · 1995
- Escalator handrail drive15US 4,875,568 AOtis Elevator Company · 1989
- Driving apparatus for a compact belt conveyer13US 5,871,085 ASanki Engineering Co., Ltd. · 1999
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