Patent holdings for IPC class G01K 7/21

Total number of patents in this class: 46

10-year publication summary

2
5
1
1
3
3
2
4
1
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Taiwan Semiconductor Manufacturing Company, Ltd.
46161
5
SK Hynix Inc.
11676
3
Apple Inc.
56283
2
Schlumberger Technology Corporation
11054
2
Infineon Technologies AG
8287
2
Phoenix Contact GmbH & Co. KG
2291
2
Ningbo CRRC Times Transducer Technology Co., Ltd.
24
2
Schlumberger Canada Limited
7432
1
Schlumberger Technology B.v.
5223
1
Schlumberger Holdings Limited
2790
1
The Boeing Company
20163
1
Texas Instruments Incorporated
19495
1
Koninklijke Philips Electronics N.V.
8817
1
U.S. Philips Corporation
266
1
NPX B.V.
2615
1
Continental Automotive GmbH
4730
1
Hamilton Sundstrand Corporation
4954
1
Schaeffler Technologies AG & Co. KG
10334
1
Carl Zeiss SMT GmbH
3088
1
ams AG
767
1
Other owners 15