B41K 3/56
Using inking pads
Official title: using inking pads
B41K3/56 (Using inking pads) appears on 41 US grants and 18 published applications in this corpus.
Search patents in B41K- Granted patents
- 41
- Published applications
- 18
- Assignees
- 17
- Inventors
- 46
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 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 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 3 |
| 2017 | 0 | 2 |
| 2018 | 3 | 3 |
| 2019 | 0 | 1 |
| 2020 | 5 | 3 |
| 2021 | 2 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Marking device24 Feb 2026US 12,558,772 B2Shachihata Inc.
- Apparatus for craftwork6 Jan 2026US 12,515,469 B1My Sweet Petunia, Inc.
- System for high throughput printing of pressure sensitive adhesive7 Oct 2025US 12,434,258 B2GE Precision Healthcare LLC
- Frequency band extension in an audio signal decoder10 May 2022US 11,325,407 B2Koninklijke Philips N. V.
- Frequency band extension in an audio signal decoder26 Apr 2022US 11,312,164 B2Koninklijke Philips N. V.
- Marking device14 Dec 2023US 2023/0398679 A1Shachihata Inc.
- System and method for high throughput printing of pressure sensitive adhesive16 Mar 2023US 2023/0081069 A1GE Precision Healthcare LLC
- Stamp, an ink pad and a closure cap16 Dec 2021US 2021/0387466 A1Trodat GmbH
- Strategic Alignment Marker Grouped Stamps7 Oct 2021US 2021/0309034 A1
- Frequency band extension in an audio signal decoder12 Nov 2020US 2020/0353765 A1Koninklijke Philips N. V.
Most cited
By later US patents
- Surface layer structure of an ink transfer device54US 4,336,767 ABando Chemical Industries, Ltd. · 1982
- Ink tray with dispersion channels18US 5,056,433 APitney Bowes Inc. · 1991
- Item endorsing apparatus13US 4,178,847 ABurroughs Corporation · 1979
- Inking mechanism for printing apparatus12US 4,152,984 AMonarch Marking Systems, Inc. · 1979
- Self-inking stamp with a stamp housing12US 9,227,450 B2Colop Stempelerzeugung Skopek Gesellschaft M.B.H. & Co. KG. · 2016