B41J 2/17596
Ink pumps, ink valves
Official title: {Ink pumps, ink valves}
B41J2/17596 (Ink pumps, ink valves) appears on 2,899 US grants and 3,130 published applications in this corpus.
Search patents in B41J- Granted patents
- 2,899
- Published applications
- 3,130
- Assignees
- 307
- Inventors
- 2,895
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 18 | 0 |
| 1999 | 22 | 0 |
| 2000 | 37 | 0 |
| 2001 | 115 | 37 |
| 2002 | 65 | 70 |
| 2003 | 57 | 58 |
| 2004 | 79 | 168 |
| 2005 | 72 | 211 |
| 2006 | 132 | 107 |
| 2007 | 127 | 133 |
| 2008 | 122 | 137 |
| 2009 | 124 | 193 |
| 2010 | 128 | 148 |
| 2011 | 176 | 164 |
| 2012 | 109 | 80 |
| 2013 | 135 | 134 |
| 2014 | 119 | 62 |
| 2015 | 132 | 73 |
| 2016 | 80 | 87 |
| 2017 | 73 | 120 |
| 2018 | 98 | 132 |
| 2019 | 130 | 135 |
| 2020 | 133 | 150 |
| 2021 | 107 | 101 |
| 2022 | 86 | 118 |
| 2023 | 96 | 110 |
| 2024 | 72 | 124 |
| 2025 | 96 | 145 |
| 2026 | 82 | 133 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ink refill container6 Oct 2026US 12,752,540 B2Seiko Epson Corporation
- Printing apparatus6 Oct 2026US RE51,052 E1Canon Kabushiki Kaisha
- Liquid discharge apparatus, coating apparatus, liquid discharge method, and method of manufacturing electrode29 Sep 2026US 12,746,748 B2Ricoh Company, Ltd.
- Flow path connection mechanism and inkjet recording apparatus29 Sep 2026US 12,746,755 B2KYOCERA Document Solutions Inc.
- Apparatus for supplying ink, and inkjet printing system including the same29 Sep 2026US 12,746,756 B2Ap Systems Inc.
- Inkjet recording apparatus8 Oct 2026US 2026/0307394 A1KYOCERA Document Solutions Inc.
- Inkjet recording apparatus8 Oct 2026US 2026/0307395 A1KYOCERA Document Solutions Inc.
- Liquid ejection head and liquid ejection apparatus8 Oct 2026US 2026/0307396 A1Canon Kabushiki Kaisha
- Liquid accommodation body and method of pouring liquid into liquid accommodation body1 Oct 2026US 2026/0296035 A1Seiko Epson Corporation
- Ink container and system1 Oct 2026US 2026/0296038 A1Brother Kogyo Kabushiki Kaisha
Most cited
By later US patents
- Valve arrangement of microstructured components360US 5,029,805 ADragerwerk Aktiengesellschaft · 1991
- Document having an encoded data structure288US 7,234,645 B2Silverbrook Research Pty Ltd · 2007
- Wide format pagewidth inkjet printer287US 6,672,706 B2Silverbrook Research Pty Ltd · 2004
- Print media roll and ink replaceable cartridge252US 6,362,868 B1Silverbrook Research Pty Ltd · 2002
- Method and apparatus for prototyping a three-dimensional object251US 6,375,874 B1Z Corporation · 2002