- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/34 - Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
Patent holdings for IPC class B66C 23/34
Total number of patents in this class: 55
10-year publication summary
|
1
|
4
|
4
|
3
|
6
|
4
|
7
|
6
|
5
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Manitowoc Crane Group France SAS | 96 |
7 |
| Liebherr-Werk Biberach GmbH | 193 |
6 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
4 |
| Mammoet Holding B.V. | 34 |
4 |
| National Oilwell Varco, L.P. | 1604 |
3 |
| Cabin Air Group B.V. | 17 |
3 |
| Kobelco Cranes Co., Ltd. | 40 |
2 |
| MHE Technologies, Inc. | 36 |
2 |
| Xuzhou Heavy Machinery Co., Ltd. | 87 |
2 |
| Liquidstack Holding B.V. | 41 |
2 |
| Batz, S.Coop. | 23 |
1 |
| Gru Comedil S.r.l. | 1 |
1 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 341 |
1 |
| Itrec B.V. | 477 |
1 |
| Konecranes Global Corporation | 484 |
1 |
| Liebherr-Werk Ehingen GmbH | 181 |
1 |
| Liebherr-Werk Nenzing GmbH | 82 |
1 |
| LIFTRA IP ApS | 57 |
1 |
| Manitou Italia S.r.l. | 74 |
1 |
| Manitowoc Crane Group Germany GmbH | 2 |
1 |
| Other owners | 10 |