B41K 1/40
Inking devices operated by stamping movement
B41K1/40 (Inking devices operated by stamping movement) appears on 130 US grants and 114 published applications in this corpus.
Search patents in B41K- Granted patents
- 130
- Published applications
- 114
- Assignees
- 48
- Inventors
- 128
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 6 | 6 |
| 2005 | 5 | 5 |
| 2006 | 6 | 8 |
| 2007 | 1 | 4 |
| 2008 | 6 | 6 |
| 2009 | 1 | 6 |
| 2010 | 7 | 7 |
| 2011 | 2 | 5 |
| 2012 | 5 | 4 |
| 2013 | 3 | 4 |
| 2014 | 3 | 5 |
| 2015 | 5 | 5 |
| 2016 | 9 | 10 |
| 2017 | 2 | 4 |
| 2018 | 5 | 7 |
| 2019 | 3 | 4 |
| 2020 | 6 | 7 |
| 2021 | 7 | 7 |
| 2022 | 8 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stamp having a tilting holding frame19 May 2026US 12,629,950 B2Sun Same Enterprises Co., Ltd.
- Stamp with cutting element21 Apr 2026US 12,605,957 B2Sun Same Enterprises Co., Ltd.
- Fixing device for a self-inking stamp20 Jan 2026US 12,528,306 B2Colop Stempelerzeugung Skopek Gesellschaft M.B.H. & Co. KG.
- Apparatus for craftwork6 Jan 2026US 12,515,469 B1My Sweet Petunia, Inc.
- Stamp and axle element for said stamp21 Jan 2025US 12,202,286 B2Trodat GmbH
- Self-inking stamp with reinforced crossbar20 Aug 2026US 2026/0241731 A1Colop Stempelerzeugung Skopek Gesellschaft M.B.H. & Co. KG.
- Stamp with cutting element19 Feb 2026US 2026/0048603 A1Sun Same Enterprises Co., Ltd.
- Stamp19 Feb 2026US 2026/0048604 A1Sun Same Enterprises Co., Ltd.
- Self-inking stamping device and method for opening a cover31 Jul 2025US 2025/0242621 A1Colop Stempelerzeugung Skopek Gesellschaft M.B.H. & Co. KG.
- Fixing device for a self-inking stamp17 Apr 2025US 2025/0121621 A1Colop Stempelerzeugung Skopek Gesellschaft M.B.H. & Co. KG.
Most cited
By later US patents
- Self-inking stamp56US 6,761,114 B2Trodat GmbH · 2004
- Self-inking stamping device47US 4,432,281 AM & R Seal Press Co., Inc. · 1984
- Self inking hand stamp41US 4,970,954 A1990
- Automatic rubber stamp32US 5,152,223 A"Hamivreshet" Brush Factory Kibbutz Ruchama 1973 · 1992
- Stamping device28US 5,850,787 ATrodat-Werke Walter Just Ges. m.b.H. · 1998