Patent holdings for IPC class E21C 35/06

Total number of patents in this class: 40

10-year publication summary

6
6
0
3
0
2
10
3
5
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Sandvik Mining and Construction Oy
867
9
Joy Global Underground Mining LLC
347
7
Sandvik Intellectual Property AB
1417
6
Caterpillar Inc.
10151
4
Caterpillar Global Mining Europe GmbH
85
2
Wirtgen GmbH
517
2
African Rainbow Minerals Platinum (Pty) Ltd.
2
2
Optima Mining Systems Pty Ltd
3
2
Atlas Copco Rock Drills AB
125
1
Joy Global Surface Mining Inc
372
1
Orica International Pte Ltd
197
1
Kopex Machinery Spółka Akcyjna
4
1
Limited Liability Company "corum Group"
16
1
Auger Mining Pty Ltd
1
1
Other owners 0