F41B 11/73
Sealing arrangements
Official title: Sealing arrangements; Pistons
F41B11/73 (Sealing arrangements) appears on 136 US grants and 153 published applications in this corpus.
Search patents in F41B- Granted patents
- 136
- Published applications
- 153
- Assignees
- 70
- Inventors
- 167
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 4 |
| 2005 | 0 | 3 |
| 2006 | 1 | 10 |
| 2007 | 1 | 9 |
| 2008 | 2 | 5 |
| 2009 | 9 | 5 |
| 2010 | 7 | 9 |
| 2011 | 6 | 3 |
| 2012 | 7 | 4 |
| 2013 | 4 | 2 |
| 2014 | 1 | 6 |
| 2015 | 2 | 7 |
| 2016 | 4 | 6 |
| 2017 | 4 | 5 |
| 2018 | 8 | 11 |
| 2019 | 12 | 4 |
| 2020 | 6 | 5 |
| 2021 | 6 | 8 |
| 2022 | 8 | 4 |
| 2023 | 2 | 7 |
| 2024 | 10 | 13 |
| 2025 | 17 | 15 |
| 2026 | 10 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High performance launcher of short projectiles with storage belt29 Sep 2026US 12,747,929 B2Easebon Services Limited
- Breechless projectile alignment module and launch methods for toy blaster apparatus25 Aug 2026US 12,716,681 B2Hasbro, Inc.
- Gel lauching apparatus with hydrochromic material and porous plastic25 Aug 2026US 12,716,682 B1Hasbro, Inc.
- Pressurized gas vessel and piercing mechanism28 Jul 2026US 12,693,092 B2Banza Stamping Industry Corp.
- Airsoft shotgun firing mechanism7 Jul 2026US 12,674,642 B2Disruptive Design LLC
- Lever actuated piercing mechanism for a pressurized gas vessel8 Oct 2026US 2026/0309453 A1
- Air gun with balanced firing valve and pneumatic hammer27 Aug 2026US 2026/0251417 A1Pneumatic Launching Systems Inc. (dba Skout Airguns)
- Projectile launchers and methods of operation23 Jul 2026US 2026/0210664 A1Security Equipment Corporation
- Compressively sealable magazine for an airgun18 Jun 2026US 2026/0168758 A1Umarex USA, Inc.
- Self resetting compressed gas valve18 Jun 2026US 2026/0168759 A1Umarex USA, Inc.
Most cited
By later US patents
- Bolt for pneumatic paintball gun35US 7,461,646 B2Smart Parts, Inc. · 2008
- Air weapon with air compression system having grooves for air transfer34US 4,771,758 AUtec B. V. · 1988
- Pneumatic paintball gun and bolt34US 7,591,262 B2Smart Parts, Inc. · 2009
- Pneumatic paintball marker34US 8,397,705 B2Dye Precision, Inc. · 2013
- Rapid fire compressed air toy gun33US 5,924,413 AJohnson Research & Development Company, Inc. · 1999