H04M 1/2473
Telephone terminals interfacing a personal computer
Official title: {Telephone terminals interfacing a personal computer, e.g. using an API (Application Programming Interface) (details of API H04M7/0021)}
H04M1/2473 (Telephone terminals interfacing a personal computer) appears on 342 US grants and 263 published applications in this corpus.
Search patents in H04M- Granted patents
- 342
- Published applications
- 263
- Assignees
- 142
- Inventors
- 533
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 16 | 0 |
| 1997 | 19 | 0 |
| 1998 | 14 | 0 |
| 1999 | 20 | 0 |
| 2000 | 11 | 0 |
| 2001 | 14 | 3 |
| 2002 | 10 | 10 |
| 2003 | 8 | 30 |
| 2004 | 11 | 18 |
| 2005 | 14 | 19 |
| 2006 | 17 | 11 |
| 2007 | 7 | 8 |
| 2008 | 8 | 16 |
| 2009 | 7 | 12 |
| 2010 | 5 | 8 |
| 2011 | 9 | 5 |
| 2012 | 12 | 5 |
| 2013 | 12 | 13 |
| 2014 | 16 | 13 |
| 2015 | 9 | 7 |
| 2016 | 11 | 13 |
| 2017 | 9 | 10 |
| 2018 | 13 | 14 |
| 2019 | 10 | 12 |
| 2020 | 7 | 8 |
| 2021 | 10 | 10 |
| 2022 | 7 | 5 |
| 2023 | 14 | 7 |
| 2024 | 1 | 3 |
| 2025 | 6 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device independent text captioned telephone service18 Aug 2026US 12,712,968 B2Ultratec, Inc.
- Method and system for visualization of heart tissue at risk17 Feb 2026US 12,551,112 B2Analytics For Life Inc.
- Device independent text captioned telephone service17 Jun 2025US 12,335,437 B2Ultratec, Inc.
- System and method for processing media requests during telephony sessions27 May 2025US 12,316,810 B2Twilio Inc.
- Method and system for a multitenancy telephone network13 May 2025US 12,301,766 B2Twilio Inc.
- Ystem and method for processing telephony sessions18 Sep 2025US 2025/0294095 A1Twilio Inc.
- Transcription presentation of communication sessions14 Aug 2025US 2025/0259632 A1Sorenson IP Holdings, LLC
- System and method for processing telephony sessions3 Jul 2025US 2025/0220119 A1Twilio Inc.
- Device independent text captioned telephone service25 Jul 2024US 2024/0251035 A1Ultratec, Inc.
- Method and system for visualization of heart tissue at risk18 Apr 2024US 2024/0122484 A1Analytics For Life Inc.
Most cited
By later US patents
- Miniature digital assistant having enhanced host communication412US 5,835,732 AElonex I. P. Holdings, Ltd. · 1998
- Human machine interface for telephone feature invocation377US 5,533,110 AMitel Corporation · 1996
- Computer-based multifunction personal communications system375US 5,452,289 AMulti-Tech Systems, Inc. · 1995
- Desktop telephony system371US 7,676,026 B1BaxTech Asia Pte Ltd · 2010
- System and method for providing user-configured telephone service in a data network telephony system327US 6,650,901 B13Com Corporation · 2003