- All sections
- G - Physics
- G01L - Measuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure
- G01L 13/02 - Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
Patent holdings for IPC class G01L 13/02
Total number of patents in this class: 504
10-year publication summary
|
43
|
45
|
56
|
33
|
45
|
51
|
38
|
25
|
25
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rosemount Inc. | 1200 |
55 |
| Endress+Hauser SE+Co. KG | 506 |
32 |
| Azbil Corporation | 463 |
23 |
| Endress+Hauser GmbH+Co. KG | 470 |
23 |
| Kulite Semiconductor Products, Inc. | 195 |
23 |
| Robert Bosch GmbH | 42411 |
22 |
| Endress+Hauser Se+co.kg | 342 |
19 |
| Honeywell International Inc. | 13557 |
12 |
| Rosemount Aerospace Inc. | 768 |
12 |
| Airflow Direction Incorporated | 39 |
9 |
| Measurement Specialties, Inc. | 79 |
8 |
| Endress + Hauser GmbH + Co. KG | 169 |
8 |
| Siemens AG | 24568 |
7 |
| Infineon Technologies AG | 8190 |
6 |
| MKS Instruments, Inc. | 668 |
5 |
| Seiko Instruments Inc. | 505 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10818 |
4 |
| Allegro Microsystems, LLC | 1316 |
4 |
| Ezmems Ltd. | 25 |
4 |
| Huba Control AG | 21 |
4 |
| Other owners | 220 |