- All sections
- B - Performing operations; transporting
- B23F - Making gears or toothed racks
- B23F 9/08 - Making gears having teeth curved in their longitudinal direction by milling, e.g. with helicoidal hob
Patent holdings for IPC class B23F 9/08
Total number of patents in this class: 27
10-year publication summary
2
|
1
|
3
|
2
|
2
|
2
|
2
|
2
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
The Gleason Works | 202 |
6 |
Aisin Seiki Kabushiki Kaisha | 2427 |
2 |
Klingelnberg GmbH | 54 |
2 |
Sumitomo Electric Industries, Ltd. | 14131 |
1 |
GM Global Technology Operations LLC | 13620 |
1 |
JTEKT Corporation | 2423 |
1 |
Asano Gear Co., Ltd | 4 |
1 |
Bourn & Koch, Inc. | 3 |
1 |
Danfoss Power Solutions S.r.l. | 5 |
1 |
Fisher & Company, Incorporated | 36 |
1 |
Gebr. Heller Maschinenfabrik GmbH | 61 |
1 |
HPG Nederland B.V. | 1 |
1 |
Klingelnberg AG | 74 |
1 |
Ogasawara Precision Laboratory Co., Ltd. | 4 |
1 |
SEW-EURODRIVE GmbH & Co. KG | 1816 |
1 |
Sumitomo Electric Sintered Alloy, Ltd. | 214 |
1 |
Tianjin Buffalo Transmission Technology Co., Ltd. | 2 |
1 |
Voith Patent GmbH | 2727 |
1 |
Beijing Buffalo Transmission Technology Co., Ltd. | 2 |
1 |
Hunan Zdcy CNC Equipment Co., Ltd. | 11 |
1 |
Other owners | 0 |