B23G 9/004
Finishing screws
Official title: {Finishing screws (B23G9/003 takes precedence)}
B23G9/004 (Finishing screws) appears on 3 US grants and 3 published applications in this corpus.
Search patents in B23G- Granted patents
- 3
- Published applications
- 3
- Assignees
- 4
- Inventors
- 5
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
- Machining device, machining method and cutting tool24 Jun 2025US 12,337,402 B2Citizen Machinery Co., Ltd.
- Ball screw polishing method and device thereof28 May 2019US 10,300,575 B2Sanshin Co., Ltd.
- Method for polishing ball screw and ball screw polishing apparatus20 Oct 2015US 9,162,300 B2IDO Corporation
- Machining device, machining method and cutting tool16 Feb 2023US 2023/0050486 A1Citizen Machinery Co., Ltd.
- Ball screw polishing method and device thereof1 Mar 2018US 2018/0056472 A1Sanshin Co., Ltd.
- Method for polishing ball screw and ball screw polishing apparatus26 Feb 2015US 2015/0056893 A1IDO Corporation
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.