B41J 3/00
Typewriters or selective printing or marking mechanisms characterised by the purpose for
Official title: Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
B41J3/00 (Typewriters or selective printing or marking mechanisms characterised by the purpose for) appears on 10,548 US grants and 11,520 published applications in this corpus.
Search patents in B41J- Granted patents
- 10,548
- Published applications
- 11,520
- Assignees
- 2,021
- Inventors
- 14,224
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 30 | 0 |
| 1978 | 16 | 0 |
| 1979 | 16 | 0 |
| 1980 | 20 | 0 |
| 1981 | 26 | 0 |
| 1982 | 14 | 0 |
| 1983 | 21 | 0 |
| 1984 | 26 | 0 |
| 1985 | 42 | 0 |
| 1986 | 30 | 0 |
| 1987 | 44 | 0 |
| 1988 | 47 | 0 |
| 1989 | 48 | 0 |
| 1990 | 43 | 0 |
| 1991 | 46 | 0 |
| 1992 | 56 | 0 |
| 1993 | 54 | 0 |
| 1994 | 48 | 0 |
| 1995 | 57 | 0 |
| 1996 | 82 | 0 |
| 1997 | 85 | 0 |
| 1998 | 166 | 0 |
| 1999 | 168 | 0 |
| 2000 | 163 | 0 |
| 2001 | 160 | 67 |
| 2002 | 187 | 202 |
| 2003 | 189 | 241 |
| 2004 | 216 | 429 |
| 2005 | 227 | 585 |
| 2006 | 354 | 545 |
| 2007 | 312 | 540 |
| 2008 | 320 | 520 |
| 2009 | 308 | 499 |
| 2010 | 388 | 456 |
| 2011 | 460 | 453 |
| 2012 | 376 | 346 |
| 2013 | 359 | 408 |
| 2014 | 456 | 428 |
| 2015 | 482 | 386 |
| 2016 | 450 | 432 |
| 2017 | 367 | 462 |
| 2018 | 378 | 552 |
| 2019 | 452 | 532 |
| 2020 | 486 | 559 |
| 2021 | 414 | 512 |
| 2022 | 399 | 545 |
| 2023 | 421 | 431 |
| 2024 | 409 | 476 |
| 2025 | 384 | 512 |
| 2026 | 226 | 402 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41J 3/407Typewriters or selective printing or marking mechanisms characterised by the purpose for5,587
- B41J 3/44Typewriters or selective printing mechanisms having dual functions or combined with, or1,875
- B41J 3/60Typewriters or selective printing or marking mechanisms characterised by the purpose for1,558
- B41J 3/36Typewriters or selective printing or marking mechanisms characterised by the purpose for1,189
- B41J 3/54Typewriters or selective printing or marking mechanisms characterised by the purpose for1,058
- B41J 3/28Typewriters or selective printing or marking mechanisms characterised by the purpose for635
- B41J 3/01Typewriters or selective printing or marking mechanisms characterised by the purpose for198
- B41J 3/38Typewriters or selective printing or marking mechanisms characterised by the purpose for178
All 15 subgroupsShow fewer
- B41J 3/32Typewriters or selective printing or marking mechanisms characterised by the purpose for108
- B41J 3/62Typewriters or selective printing or marking mechanisms characterised by the purpose for45
- B41J 3/42Two or more complete typewriters coupled for simultaneous operation36
- B41J 3/26Typewriters or selective printing or marking mechanisms characterised by the purpose for35
- B41J 3/30Typewriters or selective printing or marking mechanisms characterised by the purpose for21
- B41J 3/24Typewriters or selective printing or marking mechanisms characterised by the purpose for19
- B41J 3/34Typewriters or selective printing or marking mechanisms characterised by the purpose for2
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Most cited
By later US patents
- Droplet generating method and apparatus thereof1,847US 4,463,359 ACanon Kabushiki Kaisha · 1984
- Nonemissive displays and piezoelectric power supplies therefor816US 5,930,026 AMassachusetts Institute of Technology · 1999
- Multi-color electrophoretic displays and materials for making the same695US 6,017,584 AE Ink Corporation · 2000
- Shutter mode microencapsulated electrophoretic display625US 6,172,798 B2E Ink Corporation · 2001
- Electronically addressable microencapsulated ink and display thereof597US 6,120,588 AE Ink Corporation · 2000