- All sections
- B - Performing operationstransporting
- B66C - Cranesload-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: 312
10-year publication summary
|
28
|
26
|
41
|
27
|
33
|
29
|
17
|
24
|
13
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tadano Ltd. | 514 |
46 |
| Palfinger AG | 276 |
19 |
| Liebherr-Werk Biberach GmbH | 215 |
16 |
| Liebherr-Werk Ehingen GmbH | 196 |
12 |
| Kobelco Construction Machinery Co., Ltd. | 1220 |
11 |
| Manitowoc Crane Group France SAS | 111 |
10 |
| Caterpillar Inc. | 10331 |
9 |
| Manitowoc Crane Companies, LLC | 181 |
9 |
| Ponsse Oyj | 224 |
8 |
| Putzmeister Engineering GmbH | 360 |
8 |
| Manitou BF | 189 |
7 |
| Tulsa Winch, Inc. | 13 |
7 |
| Brandt Industries Canada Limited | 60 |
6 |
| Oshkosh Corporation | 1658 |
5 |
| Altec Industries, Inc. | 239 |
4 |
| Cargotec Patenter AB | 32 |
4 |
| Hirschmann Automation and Control GmbH | 122 |
4 |
| Liebherr-Werk Nenzing GmbH | 99 |
4 |
| Hiab AB | 121 |
4 |
| Sumitomo Heavy Industries Construction Cranes Co., Ltd. | 59 |
4 |
| Other owners | 115 |