H04R 1/00
Details of transducers, loudspeakers or microphones
Official title: Details of transducers, {loudspeakers or microphones}
H04R1/00 (Details of transducers, loudspeakers or microphones) appears on 28,383 US grants and 33,137 published applications in this corpus.
Search patents in H04R- Granted patents
- 28,383
- Published applications
- 33,137
- Assignees
- 6,188
- Inventors
- 41,109
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 66 | 0 |
| 1977 | 90 | 0 |
| 1978 | 68 | 0 |
| 1979 | 75 | 0 |
| 1980 | 80 | 0 |
| 1981 | 56 | 0 |
| 1982 | 73 | 0 |
| 1983 | 66 | 0 |
| 1984 | 82 | 0 |
| 1985 | 86 | 0 |
| 1986 | 69 | 0 |
| 1987 | 60 | 0 |
| 1988 | 77 | 0 |
| 1989 | 122 | 0 |
| 1990 | 102 | 0 |
| 1991 | 88 | 0 |
| 1992 | 120 | 0 |
| 1993 | 96 | 0 |
| 1994 | 113 | 0 |
| 1995 | 94 | 0 |
| 1996 | 96 | 0 |
| 1997 | 112 | 0 |
| 1998 | 183 | 0 |
| 1999 | 159 | 0 |
| 2000 | 145 | 0 |
| 2001 | 133 | 75 |
| 2002 | 183 | 225 |
| 2003 | 191 | 282 |
| 2004 | 224 | 354 |
| 2005 | 149 | 399 |
| 2006 | 229 | 451 |
| 2007 | 211 | 590 |
| 2008 | 205 | 563 |
| 2009 | 228 | 660 |
| 2010 | 266 | 651 |
| 2011 | 390 | 687 |
| 2012 | 761 | 803 |
| 2013 | 640 | 1003 |
| 2014 | 813 | 1221 |
| 2015 | 999 | 1525 |
| 2016 | 1318 | 1535 |
| 2017 | 1546 | 1839 |
| 2018 | 1637 | 2060 |
| 2019 | 2078 | 2250 |
| 2020 | 2128 | 2435 |
| 2021 | 2026 | 2557 |
| 2022 | 2184 | 2479 |
| 2023 | 2042 | 2567 |
| 2024 | 2075 | 2335 |
| 2025 | 2010 | 1988 |
| 2026 | 1339 | 1603 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04R 1/20Arrangements for obtaining desired frequency or directional characteristics12,031
- H04R 1/10Earpieces10,487
- H04R 1/02Casings9,626
- H04R 1/08Mouthpieces3,070
- H04R 1/06Arranging circuit leads711
- H04R 1/44Special adaptations for subaqueous use495
- H04R 1/46Special adaptations for use as contact microphones426
- H04R 1/005Details of transducers, loudspeakers or microphones: using digitally weighted transducing elements159
All 12 subgroupsShow fewer
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