B65G 27/20
Rotating unbalanced masses
Official title: rotating unbalanced masses
B65G27/20 (Rotating unbalanced masses) appears on 74 US grants and 48 published applications in this corpus.
Search patents in B65G- Granted patents
- 74
- Published applications
- 48
- Assignees
- 38
- Inventors
- 110
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 3 | 3 |
| 2005 | 3 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 3 | 0 |
| 2018 | 2 | 6 |
| 2019 | 2 | 3 |
| 2020 | 5 | 3 |
| 2021 | 2 | 4 |
| 2022 | 3 | 1 |
| 2023 | 2 | 8 |
| 2024 | 4 | 5 |
| 2025 | 3 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vibratory conveyor, food processing line and method of processing food products14 Jul 2026US 12,677,839 B2Gea Food Solutions Bakel B.V.
- Elliptical drive24 Mar 2026US 12,584,552 B2Conn-Weld Industries, Inc.
- Exciter with separate housing and mounting plate30 Dec 2025US 12,508,626 B2Sandvik Rock Processing Australia Pty Limited
- Cooling vibration exciter apparatus23 Dec 2025US 12,502,691 B2Sandvik Rock Processing Australia Pty Limited
- Vibrating device for an installation for producing a nonwoven, fabric web1 Jul 2025US 12,344,976 B2Voith Patent GmbH
- Elliptical drive2 Jul 2026US 2026/0185598 A1Conn-Weld Industries, Inc.
- Vibratory apparatus9 Oct 2025US 2025/0313411 A1General Kinematics Corporation
- The conveyor device for a material processing plant28 Aug 2025US 2025/0270050 A1Kleemann GmbH
- Elliptical drive19 Jun 2025US 2025/0198495 A1Conn-Weld Industries, Inc.
- Exciter lubrication system24 Apr 2025US 2025/0132636 A1Sandvik Rock Processing Australia Pty Limited
Most cited
By later US patents
- Variable mechanical vibrator182US 4,262,549 A1981
- Vibratory conveyor101US 5,131,525 AGeneral Kinematics Corporation · 1992
- Device for surface treating of metal parts44US 5,117,850 ADelrod Sales Corporation · 1992
- Differential impulse conveyor and method41US 5,794,757 A1998
- Vibratory drive system for a vibratory conveyor apparatus and a conveyor apparatus having same26US 5,064,053 ACarrier Vibrating Equipment, Inc. · 1991