B66F 3/35
Inflatable flexible elements
Official title: Inflatable flexible elements, e.g. bellows (inflatable load-engaging elements B66F3/40; connection of valves to inflatable elastic bodies B60C29/00)
B66F3/35 (Inflatable flexible elements) appears on 137 US grants and 92 published applications in this corpus.
Search patents in B66F- Granted patents
- 137
- Published applications
- 92
- Assignees
- 78
- Inventors
- 217
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 3 |
| 2005 | 3 | 4 |
| 2006 | 0 | 3 |
| 2007 | 0 | 5 |
| 2008 | 1 | 8 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 2 | 2 |
| 2012 | 3 | 1 |
| 2013 | 0 | 4 |
| 2014 | 3 | 4 |
| 2015 | 3 | 3 |
| 2016 | 2 | 4 |
| 2017 | 6 | 2 |
| 2018 | 3 | 5 |
| 2019 | 4 | 5 |
| 2020 | 4 | 6 |
| 2021 | 7 | 3 |
| 2022 | 2 | 6 |
| 2023 | 4 | 5 |
| 2024 | 3 | 7 |
| 2025 | 4 | 4 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle air lift system2 Jun 2026US 12,643,777 B2
- Vehicle self-leveling for overlanding vehicles12 May 2026US 12,623,893 B2Toyota Jidosha Kabushiki Kaisha
- Inflatable fiber reinforced bag21 Apr 2026US 12,607,208 B2Taniq NC B.V.
- Lifting system31 Mar 2026US 12,589,976 B2Zamqua Holding B.V.
- Apparatus for air control to an inflatable object lift17 Feb 2026US 12,552,648 B2
- Vehicle lifting device30 Jul 2026US 2026/0217504 A1
- Hover blade lifting system16 Apr 2026US 2026/0103365 A1
- Vehicle air lift system9 Apr 2026US 2026/0097938 A1
- Apparatus for air control to an inflatable object lift31 Jul 2025US 2025/0243041 A1Tidewater Marine Sales LLC
- Inflatable fibre reinforced bag8 May 2025US 2025/0145430 A1Taniq NC B.V.
Most cited
By later US patents
- Diffusion pumping apparatus self-inflating device276US 4,340,626 A1982
- Lifting apparatus48US 4,688,760 AMangar Aids Limited · 1987
- Dynamic gas pressured jacking structure with improved load stability and air pallet employing same45US 4,417,639 A1983
- Material mover having a fluid film reservoir42US 7,725,963 B2Gray Tek, Inc. · 2010
- Multiple chambered lift bag38US 5,506,012 AEngineered Fabrics Corporation · 1996