- All sections
- G - Physics
- G01L - Measuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure
- G01L 3/04 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
Patent holdings for IPC class G01L 3/04
Total number of patents in this class: 113
10-year publication summary
|
9
|
12
|
15
|
7
|
10
|
13
|
7
|
12
|
2
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Innotek Co., Ltd. | 7846 |
11 |
| Meidensha Corporation | 904 |
8 |
| Rolls-Royce PLC | 3138 |
4 |
| Halliburton Energy Services, Inc. | 20991 |
3 |
| General Electric Company | 13856 |
2 |
| Airbus Helicopters | 972 |
2 |
| Blue Leaf I.P., Inc. | 2792 |
2 |
| JTEKT Corporation | 2519 |
2 |
| Moog Inc. | 426 |
2 |
| TRW Limited | 248 |
2 |
| Hella GmbH & Co. KGaA | 1622 |
2 |
| Ti̇rsan Kardan Sanayi̇ ve Ti̇caret Anoni̇m Şi̇rketi̇ | 53 |
2 |
| Omnitron Peter Zankl | 2 |
2 |
| Mitsubishi Electric Mobility Corporation | 1083 |
2 |
| Schlumberger Technology Corporation | 10930 |
1 |
| Siemens AG | 24346 |
1 |
| LG Electronics Inc. | 73714 |
1 |
| Pratt & Whitney Canada Corp. | 4843 |
1 |
| Seiko Epson Corporation | 19671 |
1 |
| Robert Bosch GmbH | 42861 |
1 |
| Other owners | 61 |