- 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: 82
10-year publication summary
4
|
5
|
4
|
5
|
10
|
15
|
16
|
16
|
15
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens Energy Global GmbH & Co. KG | 2775 |
13 |
Weatherford Technology Holdings, LLC | 2135 |
12 |
Schneider Electric Systems USA, Inc. | 441 |
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 | 7 |
2 |
YPF Tecnologia SA | 37 |
2 |
Unico, LLC | 75 |
2 |
Phillips, Walter | 2 |
2 |
Bode Intelligence Technology Co., Ltd. | 9 |
2 |
Ravdos Holdings Inc. | 50 |
2 |
Walter Phillips | 3 |
2 |
Schlumberger Technology Corporation | 9690 |
1 |
Halliburton Energy Services, Inc. | 20165 |
1 |
Massachusetts Institute of Technology | 9795 |
1 |
ABB Schweiz AG | 6321 |
1 |
4iiii Innovations Inc. | 36 |
1 |
EOG Resources, Inc. | 70 |
1 |
ExxonMobil Upstream Research Company | 2525 |
1 |
Other owners | 20 |