- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/90 - Devices for indicating or limiting lifting movement
Patent holdings for IPC class B66C 23/90
Total number of patents in this class: 284
10-year publication summary
|
15
|
21
|
28
|
26
|
41
|
27
|
31
|
27
|
16
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tadano Ltd. | 467 |
43 |
| Palfinger AG | 206 |
15 |
| Liebherr-Werk Biberach GmbH | 193 |
14 |
| Liebherr-Werk Ehingen GmbH | 181 |
11 |
| Manitowoc Crane Group France SAS | 96 |
10 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
9 |
| Manitowoc Crane Companies, LLC | 173 |
9 |
| Manitou BF | 126 |
6 |
| Putzmeister Engineering GmbH | 309 |
6 |
| Brandt Industries Canada Limited | 35 |
6 |
| Caterpillar Inc. | 8877 |
5 |
| Ponsse Oyj | 184 |
5 |
| Tulsa Winch, Inc. | 13 |
5 |
| Altec Industries, Inc. | 178 |
4 |
| Cargotec Patenter AB | 39 |
4 |
| Hirschmann Automation and Control GmbH | 121 |
4 |
| Liebherr-Werk Nenzing GmbH | 82 |
4 |
| Oshkosh Corporation | 1006 |
4 |
| Hiab AB | 101 |
4 |
| Sumitomo Heavy Industries Construction Cranes Co., Ltd. | 50 |
4 |
| Other owners | 112 |