B41K 1/38
Inking devices
Official title: Inking devices; Stamping surfaces
B41K1/38 (Inking devices) appears on 308 US grants and 222 published applications in this corpus.
Search patents in B41K- Granted patents
- 308
- Published applications
- 222
- Assignees
- 120
- Inventors
- 385
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 1 |
| 2002 | 5 | 5 |
| 2003 | 4 | 4 |
| 2004 | 11 | 12 |
| 2005 | 11 | 7 |
| 2006 | 10 | 17 |
| 2007 | 5 | 6 |
| 2008 | 7 | 9 |
| 2009 | 2 | 9 |
| 2010 | 9 | 16 |
| 2011 | 7 | 10 |
| 2012 | 9 | 9 |
| 2013 | 6 | 12 |
| 2014 | 3 | 10 |
| 2015 | 13 | 16 |
| 2016 | 13 | 15 |
| 2017 | 7 | 8 |
| 2018 | 11 | 13 |
| 2019 | 8 | 6 |
| 2020 | 9 | 7 |
| 2021 | 10 | 11 |
| 2022 | 9 | 3 |
| 2023 | 5 | 4 |
| 2024 | 4 | 4 |
| 2025 | 3 | 4 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41K 1/40Inking devices operated by stamping movement130
- B41K 1/50Stamping surfaces impregnated with ink, or made of material leaving a mark99
- B41K 1/54Inking pads74
- B41K 1/52Ink reservoirs37
- B41K 1/46For multicolour stamping7
- B41K 1/44For offset, intaglio, or stencil stamping2
- B41K 1/48With ink ribbons, ink sheets, or carbon tape or paper1
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.
- Intelligent seal mold device having multifunctional areas and method for generating image of seal mold having multifunctional areas3 Mar 2026US 12,567,978 B2
- 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.
- Self-inking stamp with reinforced crossbar20 Aug 2026US 2026/0241731 A1Colop Stempelerzeugung Skopek Gesellschaft M.B.H. & Co. KG.
- Multifunctional opening tool11 Jun 2026US 2026/0158685 A1
- 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.
Most cited
By later US patents