B41J 29/00
Details of, or accessories for, typewriters or selective printing mechanisms not otherwise
Official title: Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
B41J29/00 (Details of, or accessories for, typewriters or selective printing mechanisms not otherwise) appears on 11,623 US grants and 12,065 published applications in this corpus.
Search patents in B41J- Granted patents
- 11,623
- Published applications
- 12,065
- Assignees
- 1,125
- Inventors
- 13,894
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 25 | 0 |
| 1978 | 24 | 0 |
| 1979 | 29 | 0 |
| 1980 | 28 | 0 |
| 1981 | 33 | 0 |
| 1982 | 29 | 0 |
| 1983 | 24 | 0 |
| 1984 | 30 | 0 |
| 1985 | 48 | 0 |
| 1986 | 43 | 0 |
| 1987 | 59 | 0 |
| 1988 | 57 | 0 |
| 1989 | 81 | 0 |
| 1990 | 67 | 0 |
| 1991 | 81 | 0 |
| 1992 | 82 | 0 |
| 1993 | 85 | 0 |
| 1994 | 58 | 0 |
| 1995 | 50 | 0 |
| 1996 | 76 | 0 |
| 1997 | 69 | 0 |
| 1998 | 123 | 0 |
| 1999 | 116 | 0 |
| 2000 | 156 | 0 |
| 2001 | 136 | 53 |
| 2002 | 180 | 172 |
| 2003 | 197 | 216 |
| 2004 | 192 | 349 |
| 2005 | 187 | 571 |
| 2006 | 289 | 388 |
| 2007 | 304 | 489 |
| 2008 | 383 | 568 |
| 2009 | 336 | 548 |
| 2010 | 464 | 521 |
| 2011 | 481 | 433 |
| 2012 | 417 | 315 |
| 2013 | 424 | 412 |
| 2014 | 490 | 370 |
| 2015 | 494 | 426 |
| 2016 | 475 | 443 |
| 2017 | 421 | 570 |
| 2018 | 471 | 641 |
| 2019 | 579 | 622 |
| 2020 | 579 | 652 |
| 2021 | 511 | 617 |
| 2022 | 456 | 560 |
| 2023 | 490 | 551 |
| 2024 | 452 | 544 |
| 2025 | 442 | 591 |
| 2026 | 270 | 443 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41J 29/38Drives, motors, controls or automatic cut-off devices for the entire printing mechanism6,155
- B41J 29/02Framework3,605
- B41J 29/12Guards, shields or dust excluders2,770
- B41J 29/377Cooling or ventilating arrangements889
- B41J 29/17Cleaning arrangements658
- B41J 29/26Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling279
- B41J 29/46Applications of alarms178
- B41J 29/42Scales and indicators159
All 21 subgroupsShow fewer
- B41J 29/54Locking devices applied to printing mechanisms106
- B41J 29/06Special supports, platforms or trolleys for supporting machines on tables96
- B41J 29/15Script supports connected to the typewriter or printer90
- B41J 29/10Sound-deadening devices embodied in machines67
- B41J 29/08Sound-deadening, or shock-absorbing stands, supports, cases or pads separate from machines49
- B41J 29/04Means for attaching machines to baseboards48
- B41J 29/18Mechanisms for rendering the print visible to the operator33
- B41J 29/40Means for printing fixed, i.e. unchanging, matter in addition to selectable matter30
- B41J 29/50Side-stop mechanisms14
- B41J 29/20Arrangements of counting devices9
- B41J 29/16Auxiliary receptacles for articles8
- B41J 29/14Attachments operated by the leg5
- B41J 29/52Top-and-bottom stop mechanisms3
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Most cited
By later US patents
- Circuit for actuating electric motors, especially in an electronic typewriter695US 4,755,070 AIng. C. Olivetti & C., S.p.A. · 1988
- Mobile printer with optional battery accessory541US 8,723,904 B2Intermec IP Corp. · 2014
- Apparatus and method for preventing disclosure through user-authentication at a printing node401US 5,633,932 AIntel Corporation · 1997
- Replaceable part with integral memory for usage, calibration and other data311US 5,835,817 AHewlett-Packard Company · 1998
- Document having an encoded data structure288US 7,234,645 B2Silverbrook Research Pty Ltd · 2007