- 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 1/12 - Percussion drilling with a reciprocating impulse member
Patent holdings for IPC class E21B 1/12
Total number of patents in this class: 17
10-year publication summary
|
3
|
1
|
0
|
1
|
0
|
2
|
1
|
2
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mincon International Limited | 56 |
2 |
| Phoenix Boring, Inc. | 10 |
2 |
| Halliburton Energy Services, Inc. | 21251 |
1 |
| Atlas Copco Rock Drills AB | 125 |
1 |
| Hammergy AS | 6 |
1 |
| KLX Energy Services LLC | 76 |
1 |
| Sandvik Intellectual Property AB | 1411 |
1 |
| Sandvik Mining and Construction Oy | 874 |
1 |
| Statoil Petroleum AS | 472 |
1 |
| Thru Tubing Solutions, Inc. | 403 |
1 |
| Toa-tone Boring Co., Ltd. | 3 |
1 |
| Wells Fargo Bank, National Association | 4399 |
1 |
| Epiroc Rock Drills Aktiebolag | 637 |
1 |
| BLK Ventures LLC | 1 |
1 |
| Capella Partners XI LLC | 9 |
1 |
| Other owners | 0 |