B41P 2235/00
Cleaning
B41P2235/00 (Cleaning) appears on 566 US grants and 489 published applications in this corpus.
Search patents in B41P- Granted patents
- 566
- Published applications
- 489
- Assignees
- 255
- Inventors
- 1,217
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 12 | 0 |
| 1991 | 18 | 0 |
| 1992 | 19 | 0 |
| 1993 | 18 | 0 |
| 1994 | 17 | 0 |
| 1995 | 12 | 0 |
| 1996 | 14 | 0 |
| 1997 | 15 | 0 |
| 1998 | 25 | 0 |
| 1999 | 23 | 0 |
| 2000 | 16 | 0 |
| 2001 | 20 | 12 |
| 2002 | 18 | 27 |
| 2003 | 26 | 19 |
| 2004 | 17 | 20 |
| 2005 | 14 | 24 |
| 2006 | 14 | 18 |
| 2007 | 9 | 14 |
| 2008 | 5 | 19 |
| 2009 | 8 | 18 |
| 2010 | 7 | 12 |
| 2011 | 11 | 8 |
| 2012 | 1 | 16 |
| 2013 | 9 | 17 |
| 2014 | 13 | 13 |
| 2015 | 11 | 14 |
| 2016 | 10 | 10 |
| 2017 | 9 | 15 |
| 2018 | 9 | 24 |
| 2019 | 20 | 14 |
| 2020 | 11 | 15 |
| 2021 | 18 | 19 |
| 2022 | 15 | 12 |
| 2023 | 10 | 10 |
| 2024 | 10 | 43 |
| 2025 | 15 | 39 |
| 2026 | 24 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Liquid ejection device and method of controlling liquid ejection device15 Sep 2026US 12,734,830 B2Seiko Epson Corporation
- Inkjet recording apparatus18 Aug 2026US 12,709,100 B2KYOCERA Document Solutions Inc.
- Head life evaluation apparatus and method4 Aug 2026US 12,699,025 B2Semes Co., Ltd.
- Inkjet recording apparatus8 Oct 2026US 2026/0307392 A1KYOCERA Document Solutions Inc.
- Cleaning Device1 Oct 2026US 2026/0296020 A1Seiko Epson Corporation
- Liquid discharge apparatus and image forming apparatus1 Oct 2026US 2026/0296023 A1
- Printing apparatus, method of controlling printing apparatus, and storage medium1 Oct 2026US 2026/0296029 A1Canon Kabushiki Kaisha
- Head cleaning jig1 Oct 2026US 2026/0296030 A1Seiko Epson Corporation
Most cited
By later US patents
- Automatic blanket cylinder cleaner66US 4,344,361 ABaldwin-Gegenheimer GmbH · 1982
- Automatic blanket cylinder cleaner46US 4,757,763 ABaldwin Technology Corporation · 1988
- Pre-packaged, pre-soaked cleaning system and method for making the same46US 5,368,157 ABaldwin Graphic Systems, Inc. · 1994
- Print-head and plate-cleaning assembly45US 5,148,746 APresstek, Inc. · 1992
- Printing apparatus with image error correction and ink regulation control45US 5,163,368 APresst, Inc. · 1992