B41J 33/003
Ribbon spools
Official title: {Ribbon spools}
B41J33/003 (Ribbon spools) appears on 73 US grants and 75 published applications in this corpus.
Search patents in B41J- Granted patents
- 73
- Published applications
- 75
- Assignees
- 36
- Inventors
- 147
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 2 | 3 |
| 2016 | 2 | 4 |
| 2017 | 8 | 8 |
| 2018 | 2 | 4 |
| 2019 | 4 | 8 |
| 2020 | 2 | 1 |
| 2021 | 5 | 2 |
| 2022 | 2 | 1 |
| 2023 | 3 | 3 |
| 2024 | 2 | 7 |
| 2025 | 7 | 11 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Printer14 Jul 2026US 12,679,127 B2Toshiba Tec Kabushiki Kaisha
- Printer drive mechanism21 Apr 2026US 12,605,955 B2Hand Held Products, Inc.
- Printer apparatus14 Apr 2026US 12,600,154 B2Toshiba Tec Kabushiki Kaisha
- Ink ribbon cartridge having first and second protrusions to be fitted in first and second holes of frame of printing device, and printing device using the same31 Mar 2026US 12,589,606 B2Brother Kogyo Kabushiki Kaisha
- Ribbon take-up hub for a printer17 Mar 2026US 12,576,660 B2Hand Held Products, Inc.
- Tape cassette including housing, tape roll, ribbon roll, and take-up spool spaced apart from ribbon roll in direction in which axis of ribbon roll extends1 Oct 2026US 2026/0296072 A1Brother Kogyo Kabushiki Kaisha
- Printing apparatus and printing method2 Jul 2026US 2026/0184085 A1Dover Europe SàRl
- Ribbon for use in producing printer activatable indicators28 May 2026US 2026/0145455 A1Zebra Technologies Corporation
- Tape cassette including partition plate partitioning internal space of housing into first space in which tape roll is positioned and second space in which first and second gears are positioned2 Apr 2026US 2026/0091600 A1Brother Kogyo Kabushiki Kaisha
- Tape cassette including ink ribbon, tape, and housing including first partition plate and arm2 Apr 2026US 2026/0091608 A1Brother Kogyo Kabushiki Kaisha
Most cited
By later US patents
- Printer with ribbon fold out mechanism30US 6,494,631 B1ZIH Corp. · 2002
- Spool adapter22US 7,594,771 B2Eastman Kodak Company · 2009
- Roll tensioner21US 6,315,235 B1ZIH Corp. · 2001
- Universal ribbon spool for typewriters and other machines19US 4,610,555 A1986
- Spliceless ribbon structure having leader and trailer and method of manufacture therefor12US 4,475,830 AInternational Business Machines Corporation · 1984