Aqueous post treatment composition and method for corrosion protection
US-12448689-B2 · Oct 21, 2025 · US
Threaded pieces, e.g. bolts or nuts
Threaded pieces, e.g. bolts or nuts · 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 | C25D7/003 |
| Official title | {Threaded pieces, e.g. bolts or nuts} |
| Display label | Threaded pieces, e.g. bolts or nuts |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 11 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oil-well metal pipe
US-12404727-B2 · Sep 2, 2025 · US
Pretreatment method for pretreating components prior to electroplating
US-12249810-B2 · Mar 11, 2025 · US
Threaded end of a tubular component provided with a coating comprising a zinc-chromium alloy
US-2025043455-A1 · Feb 6, 2025 · US
Oil-well metal pipe
US-2024352806-A1 · Oct 24, 2024 · US
Steel pipe for oil well
US-2024200176-A1 · Jun 20, 2024 · US
Method for producing a threaded nut of a threaded drive, in particular a ball screw nut of a ball screw drive
US-12007003-B2 · Jun 11, 2024 · US
Composition, and threaded connection for pipes including lubricant coating layer formed from the composition
US-11987765-B2 · May 21, 2024 · US
Spark plug housing having a galvanic nickel and zinc-containing protective layer and a silicon-containing sealing layer, spark plug having said housing, and method for producing said housing
US-11979003-B2 · May 7, 2024 · US
Threaded connection for pipes
US-11933431-B2 · Mar 19, 2024 · US
Threaded connection for pipes and method for producing threaded connection for pipes
US-11920703-B2 · Mar 5, 2024 · US
Stud/nut ground apparatus with a tin-zinc coating
US-11757210-B2 · Sep 12, 2023 · US
Pin for coupler assemblies
US-11603642-B2 · Mar 14, 2023 · US
Threaded connection for pipes and method for producing threaded connection for pipes
US-2023059150-A1 · Feb 23, 2023 · US
Threaded connection for pipe and method for producing threaded connection for pipe
US-11493155-B2 · Nov 8, 2022 · US
Method for producing a threaded nut of a threaded drive, in particular a ball screw nut of a ball screw drive
US-2022275854-A1 · Sep 1, 2022 · US
Threaded connection for oil country tubular goods and method for producing threaded connection for oil country tubular goods
US-11408550-B2 · Aug 9, 2022 · US
Pretreatment method for pretreating components prior to electroplating
US-2022190562-A1 · Jun 16, 2022 · US
Spark Plug Housing Having a Galvanic Nickel and Zinc-Containing Protective Layer and a Silicon-Containing Sealing Layer, Spark Plug Having Said Housing, and Method for Producing Said Housing
US-2022181852-A1 · Jun 9, 2022 · US
Threaded connection for pipes
US-2022128178-A1 · Apr 28, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25D7/003?
- CPC C25D7/003 is the Cooperative Patent Classification code for “Threaded pieces, e.g. bolts or nuts.”
- How many patents are filed under CPC C25D7/003 (Threaded pieces, e.g. bolts or nuts)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC C25D7/003 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).