- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/436 - Arrangements for screening incoming calls
Patent holdings for IPC class H04M 3/436
Total number of patents in this class: 1491
10-year publication summary
|
121
|
126
|
148
|
156
|
170
|
135
|
140
|
115
|
111
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| First Orion Corp. | 180 |
80 |
| People.ai, Inc. | 143 |
76 |
| YouMail, Inc. | 53 |
39 |
| Pindrop Security, Inc. | 279 |
38 |
| AT&T Intellectual Property I, L.P. | 9859 |
36 |
| United Services Automobile Association (USAA) | 3172 |
35 |
| International Business Machines Corporation | 62251 |
32 |
| T-Mobile USA, Inc. | 4414 |
32 |
| Samsung Electronics Co., Ltd. | 154120 |
29 |
| Capital One Services, LLC. | 9760 |
29 |
| Google LLC | 43852 |
29 |
| Microsoft Technology Licensing, LLC | 54241 |
27 |
| Global Tel*Link Corporation | 434 |
24 |
| 8x8, Inc. | 458 |
20 |
| Verizon Patent And Licensing Inc. | 7495 |
17 |
| Qualcomm Incorporated | 90374 |
15 |
| CenturyLink Intellectual Property LLC | 1281 |
15 |
| Telefonaktiebolaget LM Ericsson (publ) | 28623 |
15 |
| British Telecommunications Public Limited Company | 2602 |
14 |
| Huawei Technologies Co., Ltd. | 120453 |
14 |
| Other owners | 875 |