- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 9/12 - Retaining or locking devices for spikes or screws
Patent holdings for IPC class E01B 9/12
Total number of patents in this class: 15
10-year publication summary
|
1
|
1
|
2
|
1
|
4
|
2
|
4
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MOW Equipment Solutions, Inc. | 17 |
3 |
| S.W.N.G. Inc., d/b/a Swingmaster | 16 |
2 |
| Lockheed Martin Corporation | 3277 |
1 |
| Sumitomo Rubber Industries, Ltd. | 4591 |
1 |
| ContiTech Vibration Control GmbH | 107 |
1 |
| The Crosby Group LLC | 181 |
1 |
| Fastener Technology Corporation | 8 |
1 |
| K & K Products, LLC | 5 |
1 |
| Pandrol Limited | 90 |
1 |
| Volvo Car Corporation | 1726 |
1 |
| Ningbo Shuxiang New Material Co., Ltd. | 2 |
1 |
| 1552818 Ontario Limited | 22 |
1 |
| Other owners | 0 |