B41P
Indexing scheme relating to printing, lining machines, typewriters, and to stamps
B41P (Indexing scheme relating to printing, lining machines, typewriters, and to stamps) appears on 2,840 US grants and 2,418 published applications in this corpus.
Search patents in B41P- Granted patents
- 2,840
- Published applications
- 2,418
- Assignees
- 969
- Inventors
- 4,687
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 14 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 10 | 0 |
| 1982 | 14 | 0 |
| 1983 | 19 | 0 |
| 1984 | 11 | 0 |
| 1985 | 25 | 0 |
| 1986 | 16 | 0 |
| 1987 | 22 | 0 |
| 1988 | 15 | 0 |
| 1989 | 26 | 0 |
| 1990 | 36 | 0 |
| 1991 | 45 | 0 |
| 1992 | 44 | 0 |
| 1993 | 38 | 0 |
| 1994 | 52 | 0 |
| 1995 | 51 | 0 |
| 1996 | 52 | 0 |
| 1997 | 77 | 0 |
| 1998 | 114 | 0 |
| 1999 | 100 | 0 |
| 2000 | 98 | 0 |
| 2001 | 87 | 58 |
| 2002 | 110 | 138 |
| 2003 | 134 | 105 |
| 2004 | 125 | 128 |
| 2005 | 72 | 122 |
| 2006 | 81 | 119 |
| 2007 | 67 | 133 |
| 2008 | 55 | 101 |
| 2009 | 53 | 112 |
| 2010 | 43 | 90 |
| 2011 | 50 | 68 |
| 2012 | 60 | 78 |
| 2013 | 55 | 94 |
| 2014 | 78 | 81 |
| 2015 | 97 | 72 |
| 2016 | 86 | 71 |
| 2017 | 53 | 64 |
| 2018 | 46 | 95 |
| 2019 | 68 | 88 |
| 2020 | 68 | 77 |
| 2021 | 79 | 77 |
| 2022 | 85 | 93 |
| 2023 | 64 | 60 |
| 2024 | 73 | 121 |
| 2025 | 69 | 94 |
| 2026 | 60 | 79 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B41P 2227/00Mounting or handling printing platesIndexing code572
- B41P 2235/00CleaningIndexing code566
- B41P 2213/00Arrangements for actuating or driving printing pressesIndexing code418
- B41P 2233/00Arrangements for the operation of printing pressesIndexing code380
- B41P 2215/00Screen printing machinesIndexing code349
- B41P 2217/00Printing machines of special types or for particular purposesIndexing code321
- B41P 2200/00Printing processesIndexing code277
- B41P 2219/00Printing presses using a heated printing foilIndexing code178
Recent patents
- Foil stamping die for manufacturing vehicle interior component6 Oct 2026US 12,752,330 B2Moriroku Kabushiki Kaisha
- Ink jet recording apparatus including blade for cleaning nozzle surface6 Oct 2026US 12,752,538 B2KYOCERA Document Solutions Inc.
- Inkjet printing device6 Oct 2026US 12,752,549 B2Makeblock Co., Ltd.
- Electroluminescent flexographic printing ink and preparation method thereof22 Sep 2026US 12,742,079 B2Beijing Institute of Graphic Communication
- Liquid ejection device and method of controlling liquid ejection device15 Sep 2026US 12,734,830 B2Seiko Epson Corporation
- Inkjet recording apparatus8 Oct 2026US 2026/0307392 A1KYOCERA Document Solutions Inc.
- Liquid ejection head and liquid ejection apparatus8 Oct 2026US 2026/0307396 A1Canon Kabushiki Kaisha
- Substrate with Varying Saturations of Offset Printing Utilizing Image Movement8 Oct 2026US 2026/0307420 A1The Government of the United States of America, as represented by the Secretary of Homeland Security
- Cleaning Device1 Oct 2026US 2026/0296020 A1Seiko Epson Corporation
- Liquid discharge apparatus and image forming apparatus1 Oct 2026US 2026/0296023 A1
Most cited
By later US patents
- Lithographic printing plates for use with laser-discharge imaging apparatus175US 5,339,737 APresstek, Inc. · 1994
- Method and apparatus for improving registration and skew end of line checking in production152US 9,248,640 B2Intermec IP Corp. · 2016
- Method for laser-discharge imaging a printing plate135US 5,351,617 APresstek, Inc. · 1994
- Process and apparatus for the colorimetric analysis of printed material124US 4,505,589 AGretag Aktiengesellschaft · 1985
- Process and apparatus for controlling the inking process in a printing machine119US 5,182,721 AGretak Aktiengesellschaft · 1993