B41K 3/66
Safety devices
Official title: Safety devices, e.g. for preventing extraction of copy matter before completion of stamping operation
B41K3/66 (Safety devices) appears on 4 US grants and 3 published applications in this corpus.
Search patents in B41K- Granted patents
- 4
- Published applications
- 3
- Assignees
- 4
- Inventors
- 7
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Steel stamping tool and operational method for operating the steel stamping tool18 Mar 2025US 12,251,947 B2
- Hot foil stamping device including a mobile window apparatus6 Jul 2021US 11,052,651 B2Bobst (Shanghai) Ltd
- Printing head structure of calculator having bold characters9 Jun 1998US 5,762,429 AKinpo Electronics, Inc.
- Value selection mechanism including means for weakening a drive gear to permit distortion thereof13 Dec 1994US 5,372,065 APitney Bowes Inc.
Most cited
By later US patents