- All sections
- B - Performing operationstransporting
- B66C - Cranesload-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 1/28 - Duplicate, e.g. pivoted, members engaging the loads from two sides
Patent holdings for IPC class B66C 1/28
Total number of patents in this class: 91
10-year publication summary
|
7
|
10
|
6
|
11
|
1
|
6
|
5
|
7
|
14
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20163 |
5 |
| Daifuku Co., Ltd. | 1009 |
5 |
| Murata Machinery, Ltd. | 1527 |
5 |
| Cascade Corporation | 206 |
4 |
| Kubota Corporation | 4050 |
4 |
| ConXtech, Inc. | 85 |
3 |
| LaValley Industries, LLC | 69 |
3 |
| NHK Spring Co., Ltd. | 1910 |
3 |
| Newt 42 Investment Trust | 3 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2801 |
2 |
| Justoy Pty Ltd. | 38 |
2 |
| Lange Originals LLC | 7 |
2 |
| Rockford Rigging, Inc. | 4 |
2 |
| Huhtaware Oy | 2 |
2 |
| Chester Brown Industries Pty Ltd | 7 |
2 |
| Green Gravity Energy Pty Ltd | 4 |
2 |
| The Sherwin-Williams Company | 526 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8875 |
1 |
| Mitsubishi Electric Corporation | 46926 |
1 |
| Panasonic Intellectual Property Corporation of America | 6925 |
1 |
| Other owners | 38 |