Optical module housing and manufacturing method thereof, optical module, and optical communication device
US-2025189699-A1 · Jun 12, 2025 · US
by mechanical pretreatment, e.g. grinding, sanding
by mechanical pretreatment, e.g. grinding, sanding · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C23C18/1806 |
| Official title | {by mechanical pretreatment, e.g. grinding, sanding} |
| Display label | by mechanical pretreatment, e.g. grinding, sanding |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of manufacturing interior parts for a vehicle
US-2025066925-A1 · Feb 27, 2025 · US
Joining structure and manufacturing method for same
US-2024165921-A1 · May 23, 2024 · US
An aluminum alloy cage and a processing method of the aluminum alloy cage
US-2022205485-A1 · Jun 30, 2022 · US
Linear shape member and producing method therefor
US-10910133-B2 · Feb 2, 2021 · US
Bulk metallic glass interference layers
US-10870904-B2 · Dec 22, 2020 · US
Impeller for rotary machine, compressor, forced induction device, and method for manufacturing impeller for rotary machine
US-10781701-B2 · Sep 22, 2020 · US
Linear shape member and producing method therefor
US-2020243226-A1 · Jul 30, 2020 · US
Separator for fuel cells, fuel cell, fuel cell stack, and method of manufacturing separator for fuel cells
US-10629917-B2 · Apr 21, 2020 · US
Impeller for rotary machine, compressor, forced induction device, and method for manufacturing impeller for rotary machine
US-2020116032-A1 · Apr 16, 2020 · US
Plating method
US-10526497-B2 · Jan 7, 2020 · US
T-die and method of manufacturing the same
US-10493565-B2 · Dec 3, 2019 · US
Texturing and plating nickel on aluminum process chamber components
US-2019323127-A1 · Oct 24, 2019 · US
Mechanical component for internal combustion engine, manufacturing method of mechanical component for internal combustion engine, and mechanical component
US-10094025-B2 · Oct 9, 2018 · US
Process for repairing a worn carburized steel surface of a sprag clutch
US-10053746-B1 · Aug 21, 2018 · US
Process for Forming a Cobalt-Iron Alloy Film on a Substrate
US-2018100218-A1 · Apr 12, 2018 · US
Bulk Metallic Glass Interference Layers
US-2018016661-A1 · Jan 18, 2018 · US
Plating method
US-2017342565-A1 · Nov 30, 2017 · US
Mechanical component for internal combustion engine, manufacturing method of mechanical component for internal combustion engine, and mechanical component
US-2017268109-A1 · Sep 21, 2017 · US
T-die and method of manufacturing the same
US-2017066085-A1 · Mar 9, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C18/1806?
- CPC C23C18/1806 is the Cooperative Patent Classification code for “by mechanical pretreatment, e.g. grinding, sanding.”
- How many patents are filed under CPC C23C18/1806 (by mechanical pretreatment, e.g. grinding, sanding)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C23C18/1806 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).