B65G 23/00
Driving gear for endless conveyors
Official title: Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
B65G23/00 (Driving gear for endless conveyors) appears on 1,688 US grants and 1,369 published applications in this corpus.
Search patents in B65G- Granted patents
- 1,688
- Published applications
- 1,369
- Assignees
- 932
- Inventors
- 2,919
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 24 | 0 |
| 1978 | 17 | 0 |
| 1979 | 11 | 0 |
| 1980 | 15 | 0 |
| 1981 | 15 | 0 |
| 1982 | 12 | 0 |
| 1983 | 6 | 0 |
| 1984 | 10 | 0 |
| 1985 | 14 | 0 |
| 1986 | 17 | 0 |
| 1987 | 17 | 0 |
| 1988 | 14 | 0 |
| 1989 | 23 | 0 |
| 1990 | 11 | 0 |
| 1991 | 21 | 0 |
| 1992 | 28 | 0 |
| 1993 | 17 | 0 |
| 1994 | 13 | 0 |
| 1995 | 25 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 14 | 0 |
| 1999 | 32 | 0 |
| 2000 | 27 | 0 |
| 2001 | 31 | 5 |
| 2002 | 35 | 28 |
| 2003 | 24 | 20 |
| 2004 | 30 | 29 |
| 2005 | 30 | 28 |
| 2006 | 19 | 32 |
| 2007 | 21 | 27 |
| 2008 | 14 | 22 |
| 2009 | 18 | 29 |
| 2010 | 21 | 39 |
| 2011 | 25 | 30 |
| 2012 | 15 | 34 |
| 2013 | 32 | 55 |
| 2014 | 45 | 54 |
| 2015 | 60 | 68 |
| 2016 | 74 | 67 |
| 2017 | 69 | 69 |
| 2018 | 77 | 102 |
| 2019 | 102 | 94 |
| 2020 | 99 | 98 |
| 2021 | 91 | 94 |
| 2022 | 90 | 103 |
| 2023 | 74 | 74 |
| 2024 | 71 | 67 |
| 2025 | 60 | 50 |
| 2026 | 37 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65G 23/02Belt- or chain-engaging elements885
- B65G 23/44Belt or chain tensioning arrangements490
- B65G 23/22Arrangements or mountings of driving motors209
- B65G 23/24Gearing between driving motor and belt- or chain-engaging elements183
- B65G 23/32Driving gear for endless conveyors: for effecting drive at two or more88
- B65G 23/38Driving gear for endless conveyors: for effecting intermittent movement of belts or34
Recent patents
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- Belt tensioning system22 Sep 2026US 12,741,821 B2Kuhn S. A.
- Contacting cleaning system8 Sep 2026US 12,729,068 B2Illinois Tool Works Inc.
- Conveyor component with flexible hub and conveyor assembly1 Sep 2026US 12,722,901 B2Laitram, L. L. C.
- Wireless power magnetic clutch assembly24 Sep 2026US 2026/0285606 A1Dematic Corp.
- Load carrier transport mechanism17 Sep 2026US 2026/0274578 A1Jtec Industries, Inc.
- Safe transition for conveyor systems17 Sep 2026US 2026/0274590 A1Gerhard Schubert GmbH
- Escalator apparatus having a height-limiting device acting on step rollers, and use3 Sep 2026US 2026/0257893 A1TK Elevator Innovation and Operations GmbH
- Motor mounting assembly and method of use27 Aug 2026US 2026/0250075 A1The Overly Hautz Motor Base Company
Most cited
By later US patents
- Drive mechanism143US 4,759,439 ADominion Chain Inc. · 1988
- Belt cooking apparatus94US 5,458,051 AG. S. Blodgett Corporation · 1995
- Bi-directional magnetic sample rack conveying system89US 6,571,934 B1Dade Behring Inc. · 2003
- Sorting conveyor87US 5,054,601 AQuipp, Incorporated · 1991
- Two-axis robot for specimen transfer86US 6,843,357 B2Cardinal Health 301, Inc. · 2005