- All sections
- E - Fixed constructions
- E21C - Mining or quarrying
- E21C 37/16 - Other methods or devices for dislodging with or without loading by fire-setting or by similar methods based on a heat effect
Patent holdings for IPC class E21C 37/16
Total number of patents in this class: 60
10-year publication summary
|
3
|
3
|
3
|
3
|
3
|
8
|
4
|
7
|
7
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Trans Astronautica Corporation | 50 |
5 |
| EarthGrid PBC | 23 |
5 |
| Off-World, Inc. | 18 |
4 |
| Foro Energy, Inc. | 106 |
3 |
| Herrenknecht AG | 215 |
3 |
| Northeastern University | 578 |
3 |
| Sandvik Mining and Construction Oy | 892 |
3 |
| Sandvik Mining and Construction Lyon SAS | 13 |
2 |
| Aramco Overseas Company B.V. | 14 |
2 |
| Geoprober Ltd. | 7 |
2 |
| Orica International Pte Ltd | 201 |
2 |
| Capella Partners XI LLC | 9 |
2 |
| Phoenix Boring, Inc. | 12 |
2 |
| Schlumberger Technology Corporation | 11940 |
1 |
| Halliburton Energy Services, Inc. | 21292 |
1 |
| Massachusetts Institute of Technology | 10305 |
1 |
| Accenture Global Solutions Limited | 2432 |
1 |
| China University of Mining and Technology, Beijing | 105 |
1 |
| Dalian University of Technology | 1608 |
1 |
| Gas Technology Institute | 332 |
1 |
| Other owners | 15 |