- 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: 87
10-year publication summary
|
7
|
12
|
6
|
11
|
1
|
7
|
6
|
8
|
14
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20048 |
5 |
| Daifuku Co., Ltd. | 983 |
5 |
| Murata Machinery, Ltd. | 1497 |
5 |
| Cascade Corporation | 199 |
4 |
| Kubota Corporation | 3890 |
4 |
| ConXtech, Inc. | 87 |
3 |
| LaValley Industries, LLC | 69 |
3 |
| Newt 42 Investment Trust | 3 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2744 |
2 |
| Justoy Pty Ltd. | 38 |
2 |
| Lange Originals LLC | 7 |
2 |
| NHK Spring Co., Ltd. | 1853 |
2 |
| Rockford Rigging, Inc. | 4 |
2 |
| Huhtaware Oy | 2 |
2 |
| Chester Brown Industries Pty Ltd | 8 |
2 |
| The Sherwin-Williams Company | 544 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8703 |
1 |
| Mitsubishi Electric Corporation | 45998 |
1 |
| Delta Electronics, Inc. | 2604 |
1 |
| Chevron U.S.A. Inc. | 3951 |
1 |
| Other owners | 36 |