- 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: 1504
10-year publication summary
|
121
|
126
|
148
|
156
|
170
|
135
|
140
|
116
|
111
|
48
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| First Orion Corp. | 183 |
82 |
| People.ai, Inc. | 148 |
78 |
| YouMail, Inc. | 53 |
39 |
| Pindrop Security, Inc. | 280 |
38 |
| AT&T Intellectual Property I, L.P. | 9993 |
37 |
| United Services Automobile Association (USAA) | 3224 |
35 |
| International Business Machines Corporation | 62621 |
33 |
| T-Mobile USA, Inc. | 4491 |
33 |
| Capital One Services, LLC. | 9978 |
31 |
| Samsung Electronics Co., Ltd. | 157557 |
29 |
| Google LLC | 44482 |
29 |
| Microsoft Technology Licensing, LLC | 54439 |
27 |
| Global Tel*Link Corporation | 433 |
24 |
| 8x8, Inc. | 458 |
20 |
| Verizon Patent And Licensing Inc. | 7555 |
17 |
| Qualcomm Incorporated | 91997 |
15 |
| CenturyLink Intellectual Property LLC | 1275 |
15 |
| Telefonaktiebolaget LM Ericsson (publ) | 28744 |
15 |
| British Telecommunications Public Limited Company | 2600 |
14 |
| Huawei Technologies Co., Ltd. | 123282 |
14 |
| Other owners | 879 |