- All sections
- B - Performing operations; transporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/56 - Making machine elements screw-threaded elements
Patent holdings for IPC class B21K 1/56
Total number of patents in this class: 72
10-year publication summary
6
|
8
|
2
|
7
|
8
|
5
|
4
|
3
|
5
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Physical Systems, Inc. | 43 |
7 |
Hilti Aktiengesellschaft | 3227 |
5 |
Phillips Screw Company | 93 |
5 |
Sieber Forming Solutions GmbH | 7 |
4 |
SWG Schraubenwerk Gaisbach GmbH | 48 |
3 |
Poggipolini S.p.A. | 21 |
3 |
EJOT GmbH & Co. KG | 111 |
2 |
Kamax Holding GmbH & Co. KG | 139 |
2 |
Nedschroef Herentals NV | 2 |
2 |
Reed Machinery Inc. | 3 |
2 |
Honda Motor Co., Ltd. | 24537 |
1 |
International Business Machines Corporation | 60644 |
1 |
The Boeing Company | 19843 |
1 |
Raytheon Company | 8535 |
1 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
NTN Corporation | 5008 |
1 |
Depuy Synthes Products, LLC | 2880 |
1 |
Acument GmbH & Co. OHG | 20 |
1 |
Aktiebolaget SKF | 2700 |
1 |
Asia Bolt Co., Ltd. | 4 |
1 |
Other owners | 27 |