- All sections
- B - Performing operations; transporting
- B23F - Making gears or toothed racks
- B23F 5/02 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding
Patent holdings for IPC class B23F 5/02
Total number of patents in this class: 38
10-year publication summary
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3
|
2
|
3
|
6
|
2
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2
|
3
|
1
|
3
|
1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Gleason Works | 202 |
8 |
| Mitsubishi Heavy Industries Machine Tool Co., Ltd. | 147 |
4 |
| Gleason-Pfauter Maschinenfabrik GmbH | 89 |
3 |
| Sikorsky Aircraft Corporation | 1150 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| ZF Friedrichshafen AG | 6820 |
2 |
| Profilator GmbH & Co. KG | 64 |
2 |
| KAPP NILES GmbH & Co. KG | 24 |
2 |
| Robert Bosch GmbH | 40953 |
1 |
| AI Machine Tech Co., Ltd. | 2 |
1 |
| Aisin AI Co., Ltd. | 122 |
1 |
| Bourn & Koch, Inc. | 3 |
1 |
| Dalian University of Technology | 1387 |
1 |
| Liebherr-Verzahntechnik GmbH | 72 |
1 |
| Reishauer AG | 79 |
1 |
| Schuster Maschinenbau GmbH | 4 |
1 |
| ZF Wind Power Antwerpen N.V. | 165 |
1 |
| Gleason Switzerland AG | 9 |
1 |
| Emerson Professional Tools, LLC. | 19 |
1 |
| Chongqing Machine Tool (Group) Co., Ltd | 1 |
1 |
| Other owners | 0 |