Patent holdings for IPC class B21F 11/00

Total number of patents in this class: 163

10-year publication summary

11
7
19
17
24
17
10
11
11
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Max Co., Ltd.
852
11
NHK Spring Co., Ltd.
1929
10
WAFIOS Aktiengesellschaft
101
10
L & P Property Management Company
930
4
Raytheon Company
8460
3
General Technologies, Inc.
31
3
NV Bekaert SA
734
3
HS Products Ltd.
45
3
Shenzhen Lutron Mechanical and Electrical Equipment Co., Ltd
32
3
The Yokohama Rubber Co., Ltd.
4104
2
Cometo S.r.l.
2
2
Fuji Corporation
3500
2
Mestek Machinery, Inc.
61
2
Nedschroef Herentals NV
2
2
Primetals Technologies USA LLC
119
2
South China Sea Institute of Oceanology, Chinese Academy of Sciences
66
2
Spühl GmbH
43
2
TJK Machinery (Tianjin) Co., Ltd.
6
2
Somfy Activites SA
513
2
Guangdong Ocean University
178
2
Other owners 91