Perforating apparatus for cylindrical workpiece, method for perforating cylindrical workpiece, method for manufacturing cylindrical product, and method for inspecting cylindrical workpiece
US-2020306843-A1 · Oct 1, 2020 · US
Operations & Transport
Operations & Transport · 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 | B23C3/02 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 98 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 12 |
| 2017 | 14 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 13 |
| 2021 | 7 |
| 2022 | 10 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Orbital drill bushing adapter
US-2020122243-A1 · Apr 23, 2020 · US
Multi-functional end effector
US-10583500-B2 · Mar 10, 2020 · US
Mobile cnc machining machine
US-2019381613-A1 · Dec 19, 2019 · US
Method for machining flange face of aluminum alloy hub
US-10486244-B2 · Nov 26, 2019 · US
Fly-cutting head, system and method, and tooling and sheeting produced therewith
US-10413972-B2 · Sep 17, 2019 · US
Cutting tool for a large diameter travelling pipe cutter
US-10376970-B2 · Aug 13, 2019 · US
Cooling Channel Opening By Means Of Circular Milling Operation
US-2019224762-A1 · Jul 25, 2019 · US
Milling fixture for forged wheel
US-2019224800-A1 · Jul 25, 2019 · US
Method of forming an aperture in a reel member of a tensioning system for an article of footwear
US-10342293-B2 · Jul 9, 2019 · US
Method for machining flange face of aluminum alloy hub
US-2019126362-A1 · May 2, 2019 · US
Machining tool
US-10239132-B2 · Mar 26, 2019 · US
Milling tool with insert compensation
US-10220453-B2 · Mar 5, 2019 · US
Cylindrical engine bore
US-10221806-B2 · Mar 5, 2019 · US
Machining apparatus
US-10220479-B2 · Mar 5, 2019 · US
Multi-functional end effector
US-2019061019-A1 · Feb 28, 2019 · US
Electromechanical rotary pipe mill or hone and method
US-2018345445-A1 · Dec 6, 2018 · US
Drilling milling tool and methods for producing a through-hole
US-10105763-B2 · Oct 23, 2018 · US
Orbital cutting tool having cutting edges with axially varying circumferential spacing
US-10058933-B2 · Aug 28, 2018 · US
Fly-cutting head, system and method, and tooling and sheeting produced therewith
US-2018185928-A1 · Jul 5, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23C3/02?
- CPC B23C3/02 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B23C3/02 (Operations & Transport)?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC B23C3/02 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).