- All sections
- G - Physics
- G01D - Measuring not specially adapted for a specific variable; arrangements for measuring two or more variables not covered by a single other subclass; tariff metering apparatus; transferring or transducing arrangements not specially adapted for a specific variable; measuring or testing not otherwise provided for
- G01D 21/00 - Measuring or testing not otherwise provided for
Patent holdings for IPC class G01D 21/00
Total number of patents in this class: 1507
10-year publication summary
128
|
107
|
109
|
107
|
146
|
146
|
122
|
99
|
74
|
23
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
49 |
Rosemount Inc. | 1212 |
24 |
NEC Corporation | 32703 |
22 |
The Boeing Company | 19843 |
21 |
Mitsubishi Electric Corporation | 43934 |
19 |
Omron Corporation | 6968 |
15 |
Siemens AG | 24990 |
13 |
Infineon Technologies AG | 8189 |
13 |
Vega Grieshaber KG | 690 |
12 |
Sony Corporation | 32931 |
10 |
Hitachi, Ltd. | 16452 |
10 |
Intel Corporation | 45621 |
9 |
International Business Machines Corporation | 60644 |
8 |
Nippon Telegraph and Telephone Corporation | 14195 |
8 |
Endress+Hauser Flowtec AG | 794 |
8 |
GE Infrastructure Technology, LLC | 5873 |
8 |
Qualcomm Incorporated | 76576 |
7 |
Fujitsu Limited | 19265 |
7 |
Yokogawa Electric Corporation | 1584 |
7 |
Halliburton Energy Services, Inc. | 20165 |
6 |
Other owners | 1231 |