H04M 2201/18
Comparators
H04M2201/18 (Comparators) appears on 615 US grants and 633 published applications in this corpus.
Search patents in H04M- Granted patents
- 615
- Published applications
- 633
- Assignees
- 263
- Inventors
- 1,151
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 2 | 4 |
| 2003 | 5 | 14 |
| 2004 | 9 | 12 |
| 2005 | 1 | 10 |
| 2006 | 10 | 15 |
| 2007 | 6 | 37 |
| 2008 | 8 | 38 |
| 2009 | 8 | 40 |
| 2010 | 11 | 33 |
| 2011 | 18 | 25 |
| 2012 | 43 | 28 |
| 2013 | 48 | 20 |
| 2014 | 36 | 30 |
| 2015 | 32 | 27 |
| 2016 | 41 | 34 |
| 2017 | 34 | 42 |
| 2018 | 48 | 30 |
| 2019 | 43 | 26 |
| 2020 | 48 | 50 |
| 2021 | 40 | 27 |
| 2022 | 39 | 29 |
| 2023 | 26 | 27 |
| 2024 | 25 | 16 |
| 2025 | 16 | 10 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for multi-stage language analysis and remediation of robocalls2 Jun 2026US 12,646,498 B2Verizon Patent and Licensing Inc.
- Method and apparatus for identifying a fake video call2 Jun 2026US 12,647,512 B2Motorola Solutions, Inc.
- Call classification through analysis of DTMF events5 May 2026US 12,621,382 B2Pindrop Security, Inc.
- Methods and apparatus for generating audio fingerprints for calls using power spectral density values24 Mar 2026US 12,586,592 B2Ribbon Communications Operating Company, Inc.
- System and method of capturing, tracking, composing, analyzing and automating analog and digital interactions3 Mar 2026US 12,568,167 B2Nextiva, Inc.
- Call classification through analysis of dtmf events17 Sep 2026US 2026/0281227 A1Pindrop Security, Inc.
- Evaluating transcripts through repetitive statement analysis23 Jul 2026US 2026/0212125 A1Calabrio, Inc.
- System and Method of Capturing, Tracking, Composing, Analyzing and Automating Analog and Digital Interactions9 Jul 2026US 2026/0197397 A1Nextiva, Inc.
- Methods for determining agent capacity for managing contact chat interactions2 Jul 2026US 2026/0189658 A1Afiniti, Ltd.
- Systems and Methods for Modifying Contact Center Queue Assignments9 Apr 2026US 2026/0101006 A1Intradiem, Inc.
Most cited
By later US patents
- Audio mixing309US 8,331,585 B2Google Inc. · 2012
- Training call routing applications by reusing semantically-labeled data collected for prior applications253US 8,515,736 B1Nuance Communications, Inc. · 2013
- Interactive telephone networking service232US 6,088,435 AAT&T Corp. · 2000
- Selective mapping of callers in a call-center routing system based on individual agent settings228US 8,295,471 B2The Resource Group International LTD · 2012
- System and method for the detection and termination of fraudulent services217US 7,512,221 B2Cerebrus Solutions Limited · 2009