- All sections
- E - Fixed constructions
- E21B - Earth or rock drillingobtaining 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: 108
10-year publication summary
|
4
|
5
|
10
|
15
|
16
|
17
|
16
|
11
|
11
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Weatherford Technology Holdings, LLC | 2167 |
16 |
| Siemens Energy Global GmbH & Co. KG | 3489 |
8 |
| Schneider Electric Systems USA, Inc. | 428 |
7 |
| Ravdos Holdings Inc. | 50 |
5 |
| Schlumberger Technology Corporation | 11961 |
4 |
| Noven, Inc. | 5 |
4 |
| Schlumberger Canada Limited | 7616 |
3 |
| Bode Energy Equipment Co., Ltd. | 4 |
3 |
| Unico, LLC | 62 |
3 |
| WellWorx Energy Solutions LLC | 18 |
3 |
| Championx LLC | 654 |
3 |
| Walter Phillips | 5 |
3 |
| Bristol, Inc., d/b/a Remote Automation Solutions | 102 |
2 |
| Geoquest Systems B.V. | 888 |
2 |
| Services Petroliers Schlumberger | 6024 |
2 |
| TRC Services, Inc. | 41 |
2 |
| YPF Tecnologia SA | 46 |
2 |
| Tecat Performance Systems, LLC | 8 |
2 |
| Sensia LLC | 128 |
2 |
| Bode Intelligence Technology Co., Ltd. | 8 |
2 |
| Other owners | 30 |