B61B 10/00
Power and free systems
Official title: Power and free systems (ski lifts, sleigh lift or like trackless systems with guided towing cables only B61B11/00)
B61B10/00 (Power and free systems) appears on 326 US grants and 136 published applications in this corpus.
Search patents in B61B- Granted patents
- 326
- Published applications
- 136
- Assignees
- 144
- Inventors
- 433
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 10 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 15 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 13 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 12 | 5 |
| 2002 | 12 | 2 |
| 2003 | 3 | 12 |
| 2004 | 5 | 4 |
| 2005 | 6 | 2 |
| 2006 | 2 | 3 |
| 2007 | 2 | 4 |
| 2008 | 7 | 3 |
| 2009 | 2 | 6 |
| 2010 | 2 | 5 |
| 2011 | 2 | 8 |
| 2012 | 9 | 7 |
| 2013 | 7 | 6 |
| 2014 | 4 | 6 |
| 2015 | 8 | 2 |
| 2016 | 5 | 4 |
| 2017 | 3 | 4 |
| 2018 | 4 | 2 |
| 2019 | 2 | 7 |
| 2020 | 4 | 6 |
| 2021 | 5 | 10 |
| 2022 | 7 | 8 |
| 2023 | 9 | 7 |
| 2024 | 3 | 5 |
| 2025 | 9 | 8 |
| 2026 | 7 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cornering structure and cableway installation comprising this structure29 Sep 2026US 12,746,951 B2Poma
- Transport facility22 Sep 2026US 12,745,599 B2Daifuku Co., Ltd.
- Conveyor carrier11 Aug 2026US 12,703,403 B2Nakanishi Metal Works Co., Ltd.
- OHT vehicle and method of controlling operation of the same7 Jul 2026US 12,673,857 B2Semes Co., Ltd.
- Object transport system19 May 2026US 12,630,369 B2Daifuku Co., Ltd.
- Synchronization apparatuses and methods of use21 Aug 2025US 2025/0263250 A1Toyota Jidosha Kabushiki Kaisha
- Conveyance device24 Apr 2025US 2025/0128741 A1Nakanishi Metal Works Co., Ltd.
- Branch parking track garage for cableway vehicles17 Apr 2025US 2025/0121859 A1Innova Patent GmbH
- Conveyor carrier6 Mar 2025US 2025/0074477 A1Nakanishi Metal Works Co., Ltd.
- Conveyor system with automated carriers9 Jan 2025US 2025/0011093 A1SST Systems, Inc.
Most cited
By later US patents
- Method and an apparatus for transporting slaughter animals during slaughtering, packaging or otherwise processing said animals, in particular poultry39US 4,856,144 ATerpa Poultry B.V. · 1989
- Circulating aerial ropeway and car therefor34US 4,473,011 APHB-Weserhutte AG · 1984
- Power and free conveyor system utilizing power track and dog elevation to prevent jamming conditions at transfers and switches29US 5,842,421 AFord Motor Company · 1998
- Adjustable shock absorbing tow bar29US 6,679,185 B2Automatic Systems, Inc. · 2004
- Method of gripping corner of strip of cloth28US 4,979,868 AChuryo Engineering Kabushiki Kaisha · 1990