Substrate processing apparatus, substrate processing system and substrate processing method
US-2022277962-A1 · Sep 1, 2022 · US
Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B24B47/22 |
| Official title | Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation |
| Display label | Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation |
| Total patents | 125 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 10 |
| 2020 | 13 |
| 2021 | 15 |
| 2022 | 15 |
| 2023 | 16 |
| 2024 | 24 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Grinding apparatus
US-2022262641-A1 · Aug 18, 2022 · US
Holding table manufacturing method
US-2022184754-A1 · Jun 16, 2022 · US
Processing machine
US-2022143772-A1 · May 12, 2022 · US
Tilt adjusting mechanism for chuck table
US-11311975-B2 · Apr 26, 2022 · US
Polishing carrier head with piezoelectric pressure control
US-2021402547-A1 · Dec 30, 2021 · US
Polishing carrier head with piezoelectric pressure control
US-2021402546-A1 · Dec 30, 2021 · US
Method for machining an optical surface of an optical lens
US-2021308818-A1 · Oct 7, 2021 · US
Workpiece processing device and method
US-2021283745-A1 · Sep 16, 2021 · US
Workpiece processing device and method
US-2021245324-A1 · Aug 12, 2021 · US
Polishing head system and polishing apparatus
US-2021237224-A1 · Aug 5, 2021 · US
Grinding apparatus
US-2021237225-A1 · Aug 5, 2021 · US
A method of determining the position of an optical lens member
US-2021146495-A1 · May 20, 2021 · US
Buffing system for footwear
US-2021076780-A1 · Mar 18, 2021 · US
Buffing system for footwear
US-2021076812-A1 · Mar 18, 2021 · US
Buffing system for footwear
US-2021076781-A1 · Mar 18, 2021 · US
Buffing system for footwear
US-2021076779-A1 · Mar 18, 2021 · US
Wafer producing apparatus and carrying tray
US-10910241-B2 · Feb 2, 2021 · US
Position adjustment device and ultraprecision machine tool
US-2021016402-A1 · Jan 21, 2021 · US
Position adjustment device and ultraprecision machine tool
US-2021018892-A1 · Jan 21, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B24B47/22?
- CPC B24B47/22 is the Cooperative Patent Classification code for “Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation.”
- How many patents are filed under CPC B24B47/22 (Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation)?
- Our database includes 125 publications tagged with this CPC code.
- Is patent activity under CPC B24B47/22 growing?
- Publication counts under this code: 24 in 2024 vs 12 in 2025 (latest complete years).