- All sections
- E - Fixed constructions
- E21B - Earth or rock drilling; obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B 47/009 - Monitoring of walking-beam pump systems
Patent holdings for IPC class E21B 47/009
Total number of patents in this class: 91
10-year publication summary
|
5
|
4
|
5
|
10
|
15
|
16
|
16
|
16
|
11
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Weatherford Technology Holdings, LLC | 2107 |
13 |
| Siemens Energy Global GmbH & Co. KG | 2825 |
11 |
| Schneider Electric Systems USA, Inc. | 434 |
7 |
| Noven, Inc. | 5 |
4 |
| Bode Energy Equipment Co., Ltd. | 4 |
3 |
| Bristol, Inc., d/b/a Remote Automation Solutions | 104 |
2 |
| Well Innovation AS | 8 |
2 |
| YPF Tecnologia SA | 42 |
2 |
| Theta Oilfield Services Inc | 7 |
2 |
| Unico, LLC | 76 |
2 |
| Phillips, Walter | 2 |
2 |
| Sensia LLC | 140 |
2 |
| Bode Intelligence Technology Co., Ltd. | 9 |
2 |
| Ravdos Holdings Inc. | 49 |
2 |
| Williams NR Automation LLC | 2 |
2 |
| ExxonMobil Technology and Engineering Company | 905 |
2 |
| Walter Phillips | 3 |
2 |
| Schlumberger Technology Corporation | 10228 |
1 |
| Halliburton Energy Services, Inc. | 20411 |
1 |
| Massachusetts Institute of Technology | 9909 |
1 |
| Other owners | 26 |