B65G 69/2835
With spring-operated means
Official title: {with spring-operated means}
B65G69/2835 (With spring-operated means) appears on 106 US grants and 60 published applications in this corpus.
Search patents in B65G- Granted patents
- 106
- Published applications
- 60
- Assignees
- 40
- Inventors
- 117
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 5 |
| 2003 | 2 | 2 |
| 2004 | 2 | 6 |
| 2005 | 5 | 11 |
| 2006 | 9 | 5 |
| 2007 | 4 | 3 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 4 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 5 |
| 2024 | 0 | 11 |
| 2025 | 1 | 0 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dock leveler with leg bracket assembly18 Aug 2026US 12,709,499 B2Overhead Door Corporation
- Dock leveler with supported deck hinge11 Aug 2026US 12,703,588 B2Overhead Door Corporation
- Dock leveler with lip extender30 Jun 2026US 12,668,441 B2Overhead Door Corporation
- Dock leveler with adjustable lip keepers23 Jun 2026US 12,662,338 B2Overhead Door Corporation
- Dock leveler24 Mar 2026US 12,583,695 B2Overhead Door Corporation
- Hold-down bracket for pit dock leveler1 Jan 2026US 2026/0001735 A1Overhead Door Corporation
- Dock leveler with adjustable lip keepers12 Dec 2024US 2024/0409333 A1Overhead Door Corporation
- Dock Leveler With Spring Anchor12 Dec 2024US 2024/0409334 A1Overhead Door Corporation
- Dock leveler with lip extender12 Dec 2024US 2024/0409335 A1Overhead Door Corporation
- Dock leveler with adjustable bracket assembly12 Dec 2024US 2024/0409336 A1Overhead Door Corporation
Most cited
By later US patents
- Counterbalance for mechanical dock leveler56US 6,125,491 AUnited Dominion Industries, Inc. · 2000
- Counterbalancing mechanism for an edge-of-dock dockboard53US 4,665,579 AKelley Company, Inc. · 1987
- Dock leveler lip actuation mechanism46US 5,088,143 AThe Serco Corporation · 1992
- Dockboard utilizing a gas spring for counterbalancing45US 4,091,488 AKelley Company, Inc. · 1978
- Dockboard assembly45US 4,455,703 ADelta Development Group Internat'l., Inc. · 1984