- All sections
- B - Performing operationstransporting
- B21H - Making particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls
- B21H 3/02 - Making helical bodies or bodies having parts of helical shape external screw-threads
Patent holdings for IPC class B21H 3/02
Total number of patents in this class: 121
10-year publication summary
|
11
|
7
|
21
|
10
|
8
|
6
|
5
|
4
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3383 |
17 |
| Ball Corporation | 395 |
5 |
| Nejilaw Inc. | 55 |
4 |
| Physical Systems, Inc. | 41 |
4 |
| NSK Ltd. | 2738 |
3 |
| SWG Schraubenwerk Gaisbach GmbH | 48 |
3 |
| Illinois Tool Works Inc. | 11399 |
2 |
| Black & Decker, Inc. | 2405 |
2 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 355 |
2 |
| Furukawa Techno Material Co., Ltd. | 27 |
2 |
| Gottfried Wilhelm Leibniz Universität Hannover | 150 |
2 |
| Ludwig Hettich Holding GmbH & Co. KG | 30 |
2 |
| Maruemu Works Co., Ltd. | 12 |
2 |
| Nucor Corporation | 419 |
2 |
| Solvay Advanced Polymers, L.L.C. | 89 |
2 |
| Tohoku University | 2683 |
2 |
| Topura Co., Ltd. | 35 |
2 |
| Winkelmann Powertrain Components GmbH & Co. KG | 23 |
2 |
| der Fun Prestressed Metal Co., Ltd. | 2 |
2 |
| DAe Kwang Metal.co.ltd | 2 |
2 |
| Other owners | 57 |