E21F 17/107
Inflatable
Official title: inflatable
E21F17/107 (Inflatable) appears on 17 US grants and 14 published applications in this corpus.
Search patents in E21F- Granted patents
- 17
- Published applications
- 14
- Assignees
- 17
- Inventors
- 36
- Latest grant
- 5 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 3 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing system5 Apr 2022US 11,293,285 B2The Secretary of State for Defence
- Combined automatic anti-explosion method for gas drainage pipeline7 Apr 2020US 10,612,379 B2China University of Mining and Technology
- Expanding structures, and device and method for expanding the same31 Jul 2018US 10,036,178 B2
- Pumpable mine ventilation structure19 Jun 2018US 10,001,009 B2ABC Industries, Inc.
- Removable barrier for protecting tunnels and other structures from flooding and other hazards24 Apr 2018US 9,951,618 B2
- Filling and support container23 Jul 2026US 2026/0210249 A1Dsi Schaum Chemie Sp.Z O.O.
- Airlock with a pneumatic orifice for the vacuum train system11 Feb 2021US 2021/0040851 A1Hyper Poland SP. Z O.O.
- Sealing system2 Jul 2020US 2020/0208520 A1The Secretary of State for Defence
- Combined automatic anti-explosion method for gas drainage pipeline6 Feb 2020US 2020/0040726 A1China University of Mining and Technology
- Pumpable mine ventilation structure12 Jul 2018US 2018/0195391 A9ABC Industries, Inc.
Most cited
By later US patents
- Heat-responsive duct closing method and apparatus29US 3,990,464 A1976
- Means to seal-off portions of underground mines and the like27US 4,023,372 AOberjuerge Rubber Company · 1977
- Device for closing off a mine gallery especially for use to prevent spreading of underground explosions25US 4,036,024 ABergwerksverband GmbH · 1977
- Barricade for isolating open areas from spreading fire or smoke18US 5,188,186 A1993
- Method for closing off a mine gallery especially for use to prevent spreading of underground explosions15US 4,102,138 ABergwerksverband GmbH · 1978