H04M 19/041
Encoding the ringing signal, i.e. providing distinctive or selective ringing capability
Official title: {Encoding the ringing signal, i.e. providing distinctive or selective ringing capability}
H04M19/041 (Encoding the ringing signal, i.e. providing distinctive or selective ringing capability) appears on 342 US grants and 359 published applications in this corpus.
Search patents in H04M- Granted patents
- 342
- Published applications
- 359
- Assignees
- 161
- Inventors
- 637
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 13 |
| 2002 | 11 | 22 |
| 2003 | 15 | 25 |
| 2004 | 15 | 35 |
| 2005 | 10 | 37 |
| 2006 | 27 | 24 |
| 2007 | 17 | 27 |
| 2008 | 19 | 19 |
| 2009 | 16 | 21 |
| 2010 | 16 | 16 |
| 2011 | 16 | 8 |
| 2012 | 18 | 9 |
| 2013 | 12 | 6 |
| 2014 | 15 | 12 |
| 2015 | 7 | 14 |
| 2016 | 15 | 9 |
| 2017 | 9 | 9 |
| 2018 | 8 | 7 |
| 2019 | 8 | 4 |
| 2020 | 6 | 16 |
| 2021 | 10 | 9 |
| 2022 | 13 | 8 |
| 2023 | 8 | 2 |
| 2024 | 3 | 4 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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