F41B 11/642
The piston being spring operated
Official title: the piston being spring operated
F41B11/642 (The piston being spring operated) appears on 256 US grants and 214 published applications in this corpus.
Search patents in F41B- Granted patents
- 256
- Published applications
- 214
- Assignees
- 89
- Inventors
- 286
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 4 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 5 |
| 2007 | 2 | 9 |
| 2008 | 2 | 1 |
| 2009 | 1 | 6 |
| 2010 | 6 | 12 |
| 2011 | 10 | 10 |
| 2012 | 13 | 7 |
| 2013 | 11 | 10 |
| 2014 | 12 | 12 |
| 2015 | 9 | 13 |
| 2016 | 9 | 6 |
| 2017 | 11 | 16 |
| 2018 | 11 | 18 |
| 2019 | 13 | 6 |
| 2020 | 10 | 14 |
| 2021 | 14 | 16 |
| 2022 | 13 | 13 |
| 2023 | 12 | 14 |
| 2024 | 15 | 14 |
| 2025 | 15 | 4 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High performance launcher of short projectiles with storage belt29 Sep 2026US 12,747,929 B2Easebon Services Limited
- Toy launch apparatus with momentum feature and concentric piston18 Aug 2026US 12,710,246 B2Crosman Corporation
- Multi-shot airgun11 Aug 2026US 12,704,349 B2Crosman Corporation
- Pneumatic launching apparatus employing barrel cam driving pathways and methods28 Apr 2026US 12,613,076 B1Hasbro, Inc.
- High performance launcher with cocking hammer17 Feb 2026US 12,553,685 B2Easebon Services Limited
- Pneumatic Sport and Recreational Device27 Aug 2026US 2026/0251207 A1East Crane Industrial HK Limited
- Foldable break barrel airgun7 May 2026US 2026/0126264 A1Kore Outdoor (US), Inc.
- Multi-shot airgun26 Feb 2026US 2026/0055989 A1Crosman Corporation
- High performance launcher with cocking hammer25 Dec 2025US 2025/0389513 A1Easebon Services Limited
- Toy launch apparatus with momentum feature and concentric piston20 Nov 2025US 2025/0354778 A1Crosman Corporation
Most cited
By later US patents
- Medical injection system and method, gas spring thereof and launching device using gas spring488US 5,599,302 AMedi-Ject Corporation · 1997
- Coupling device for medical injection system178US 5,846,233 AMedi-Ject Corporation · 1998
- Nozzle assembly with lost motion connection for medical injector assembly176US 5,891,085 AMedi-Ject Corporation · 1999
- Medical injection system and method, gas spring thereof and launching device using gas spring123US 5,919,159 AMedi-Ject Corporation · 1999
- Toy gun with a shooting control structure76US 5,261,384 A1993