B65G 23/04
Drums, rollers, or wheels
Official title: Drums, rollers, or wheels {(B65G23/18 takes precedence)}
B65G23/04 (Drums, rollers, or wheels) appears on 710 US grants and 630 published applications in this corpus.
Search patents in B65G- Granted patents
- 710
- Published applications
- 630
- Assignees
- 404
- Inventors
- 1,160
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 11 | 1 |
| 2002 | 13 | 14 |
| 2003 | 6 | 8 |
| 2004 | 11 | 16 |
| 2005 | 10 | 14 |
| 2006 | 10 | 14 |
| 2007 | 11 | 14 |
| 2008 | 7 | 7 |
| 2009 | 8 | 17 |
| 2010 | 9 | 16 |
| 2011 | 8 | 12 |
| 2012 | 10 | 12 |
| 2013 | 11 | 16 |
| 2014 | 17 | 20 |
| 2015 | 21 | 34 |
| 2016 | 32 | 30 |
| 2017 | 25 | 25 |
| 2018 | 35 | 57 |
| 2019 | 55 | 41 |
| 2020 | 48 | 49 |
| 2021 | 44 | 41 |
| 2022 | 44 | 60 |
| 2023 | 37 | 31 |
| 2024 | 40 | 31 |
| 2025 | 28 | 24 |
| 2026 | 15 | 26 |
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
- 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
- Modular gearless motorized conveyor roller74US 6,244,427 B1Motion Systems, L.C. · 2001
- Motorized conveyor roller62US 5,088,596 AInterroll Holding A. G. · 1992