B65G 23/02
Belt- or chain-engaging elements
B65G23/02 (Belt- or chain-engaging elements) appears on 885 US grants and 756 published applications in this corpus.
Search patents in B65G- Granted patents
- 885
- Published applications
- 756
- Assignees
- 512
- Inventors
- 1,419
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 13 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 13 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 19 | 0 |
| 2001 | 15 | 2 |
| 2002 | 15 | 18 |
| 2003 | 11 | 10 |
| 2004 | 13 | 20 |
| 2005 | 17 | 16 |
| 2006 | 11 | 14 |
| 2007 | 12 | 17 |
| 2008 | 8 | 8 |
| 2009 | 10 | 20 |
| 2010 | 9 | 20 |
| 2011 | 12 | 16 |
| 2012 | 12 | 23 |
| 2013 | 18 | 23 |
| 2014 | 22 | 21 |
| 2015 | 27 | 40 |
| 2016 | 38 | 41 |
| 2017 | 33 | 33 |
| 2018 | 44 | 61 |
| 2019 | 63 | 56 |
| 2020 | 58 | 56 |
| 2021 | 56 | 45 |
| 2022 | 46 | 67 |
| 2023 | 44 | 38 |
| 2024 | 46 | 36 |
| 2025 | 32 | 25 |
| 2026 | 16 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Conveyor component with flexible hub and conveyor assembly1 Sep 2026US 12,722,901 B2Laitram, L. L. C.
- Conveyor belt clean-out roller systems and methods18 Aug 2026US 12,709,486 B2Cambridge International, Inc.
- Shaft support for industrial machine2 Jun 2026US 12,643,743 B2Joy Global Underground Mining LLC
- Split sprocket19 May 2026US 12,630,371 B2Laitram, L. L. C.
- Motorized conveyor roller and conveyor device12 May 2026US 12,623,851 B2Kyowa Manufacturing Co., Ltd.
- Wireless power magnetic clutch assembly24 Sep 2026US 2026/0285606 A1Dematic Corp.
- Escalator apparatus having a height-limiting device acting on step rollers, and use3 Sep 2026US 2026/0257893 A1TK Elevator Innovation and Operations GmbH
- Device for mounting a roller assembly to a conveyor frame27 Aug 2026US 2026/0250077 A1Laitram, L. L. C.
- Self-extinguishing conveyor components27 Aug 2026US 2026/0250483 A1Laitram, L. L. C.
- Multi-piece sprocket20 Aug 2026US 2026/0242148 A1Laitram, L. L. C.
Most cited
By later US patents
- Drive mechanism143US 4,759,439 ADominion Chain Inc. · 1988
- Bi-directional magnetic sample rack conveying system89US 6,571,934 B1Dade Behring Inc. · 2003
- Two-axis robot for specimen transfer86US 6,843,357 B2Cardinal Health 301, Inc. · 2005
- Toothed-belt, V-belt, and pulley assembly, for treadmills85US 5,470,293 AWoodway AG · 1995
- Dual level tilting tray package sorting apparatus82US 5,433,311 AUnited Parcel Service of America, Inc. · 1995