- 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: 1365
10-year publication summary
119
|
133
|
121
|
125
|
148
|
156
|
169
|
131
|
135
|
43
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
People.ai, Inc. | 125 |
67 |
First Orion Corp. | 140 |
57 |
YouMail, Inc. | 47 |
33 |
International Business Machines Corporation | 60644 |
31 |
AT&T Intellectual Property I, L.P. | 9886 |
31 |
Pindrop Security, Inc. | 209 |
28 |
United Services Automobile Association (USAA) | 2514 |
28 |
T-Mobile USA, Inc. | 3668 |
26 |
Microsoft Technology Licensing, LLC | 51439 |
25 |
Samsung Electronics Co., Ltd. | 131630 |
24 |
Google LLC | 38759 |
24 |
Capital One Services, LLC. | 7551 |
22 |
Global Tel*Link Corporation | 431 |
21 |
Verizon Patent And Licensing Inc. | 6900 |
18 |
8x8, Inc. | 398 |
16 |
BCE Inc. | 431 |
16 |
Huawei Technologies Co., Ltd. | 100781 |
15 |
Hyundai Motor Company | 19021 |
14 |
Qualcomm Incorporated | 76576 |
13 |
Mitel Networks Corporation | 455 |
13 |
Other owners | 843 |