- All sections
- B - Performing operations; transporting
- B23F - Making gears or toothed racks
- B23F 19/04 - Lapping spur gears by making use of a correspondingly shaped counterpart
Patent holdings for IPC class B23F 19/04
Total number of patents in this class: 4
10-year publication summary
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0
|
1
|
1
|
0
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0
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0
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0
|
1
|
0
|
0
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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 |
2 |
| LISI Aerospace | 129 |
1 |
| Nylacast Ltd | 18 |
1 |
| Other owners | 0 |