B66F 3/30
With positive brakes or locks
Official title: with positive brakes or locks
B66F3/30 (With positive brakes or locks) appears on 63 US grants and 48 published applications in this corpus.
Search patents in B66F- Granted patents
- 63
- Published applications
- 48
- Assignees
- 38
- Inventors
- 117
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 2 |
| 2013 | 3 | 3 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 5 | 3 |
| 2017 | 3 | 7 |
| 2018 | 2 | 1 |
| 2019 | 3 | 1 |
| 2020 | 2 | 3 |
| 2021 | 1 | 2 |
| 2022 | 4 | 4 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Jack with hydraulic lock6 Oct 2026US 12,753,053 B2Pacific Rim International, LLC
- Apparatus for spreading opposing surfaces12 May 2026US 12,623,891 B2
- Safety jack12 May 2026US 12,623,892 B1
- Hoist and supplemental support system2 Sep 2025US 12,404,156 B2
- Hydraulic jack12 Nov 2024US 12,139,383 B1Walton.K.K International Business Group, Inc.
- Jacking device26 Jun 2025US 2025/0206584 A1Changshu Tongrun Auto Accessory Co., Ltd.
- Modular system for the shelter, transport, positioning and elevation of sensor vehicles on the territory26 Jun 2025US 2025/0206585 A1
- Jack with hydraulic lock10 Oct 2024US 2024/0336458 A1Pacific Rim International, LLC
- Apparatus for spreading opposing surfaces16 Feb 2023US 2023/0046292 A1
- Hoist and supplemental support system29 Dec 2022US 2022/0411241 A1
Most cited
By later US patents
- Collapsible jack stand and method therefor41US 5,915,672 A1999
- Jack safety device30US 4,635,902 A1987
- Jack stand and jack combination and method of elevating a load24US 7,878,482 B2Alltrade Tools LLC · 2011
- Hydraulic lifting device22US 4,328,951 A1982
- Method for wireless control of vehicle lifting device22US 7,740,109 B2Otto Nussbaum GmbH & Co. KG · 2010