- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 11/04 - Underhung trolleys
Patent holdings for IPC class B66C 11/04
Total number of patents in this class: 34
10-year publication summary
1
|
2
|
4
|
3
|
5
|
3
|
2
|
7
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Konecranes Global Corporation | 484 |
7 |
Pratt & Whitney Canada Corp. | 4215 |
2 |
China University of Mining and Technology | 1189 |
2 |
Daifuku Co., Ltd. | 860 |
2 |
Murata Machinery, Ltd. | 1386 |
2 |
Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd. | 23 |
2 |
CRRC Yangtze Co., Ltd. | 76 |
2 |
Huadian Lanco Technologies Co., Ltd. | 2 |
2 |
Changzhou Development & Manufacture Centre Co., Ltd. | 3 |
2 |
Rtx Corporation | 8674 |
2 |
KITO Corporation | 166 |
1 |
Konecranes plc | 48 |
1 |
Marine Travelift, Inc. | 24 |
1 |
Semes Co., Ltd. | 1119 |
1 |
Mitsui E&S Machinery Co., Ltd. | 44 |
1 |
Huadian Heavy Industries Co., Ltd. | 5 |
1 |
UpClimber | 1 |
1 |
Changxin Memory Technologies, Inc. | 4732 |
1 |
Nanjing Gentian Technology Co., Ltd | 20 |
1 |
Other owners | 0 |