Micropatterning method, micropatterning apparatus and micropatterning chip for silicone-based elastomer
US-2022350250-A1 · Nov 3, 2022 · US
Holes characterised by their shape, in either longitudinal or sectional plane
Holes characterised by their shape, in either longitudinal or sectional plane · 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 | B81B1/002 |
| Official title | {Holes characterised by their shape, in either longitudinal or sectional plane} |
| Display label | Holes characterised by their shape, in either longitudinal or sectional plane |
| Total patents | 102 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 7 |
| 2017 | 16 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 13 |
| 2023 | 7 |
| 2024 | 12 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Precision structured glass articles, integrated circuit packages, optical devices, microfluidic devices, and methods for making the same
US-11367665-B2 · Jun 21, 2022 · US
Ohmic nanopore fabrication and real-time cleaning
US-2021325329-A1 · Oct 21, 2021 · US
Silicon substrate having cavity and cavity soi substrate including the silicon substrate
US-2021284524-A1 · Sep 16, 2021 · US
Fluidic flow channel over active surface of a die
US-2021272863-A1 · Sep 2, 2021 · US
Micro-nano channel structure, sensor and manufacturing method thereof, and microfluidic device
US-2021229977-A1 · Jul 29, 2021 · US
Nano-patterned surfaces for microfluidic devices and methods for manufacturing the same
US-2021213448-A1 · Jul 15, 2021 · US
A microfluidic chip and a method for the manufacture of a microfluidic chip
US-2021146357-A1 · May 20, 2021 · US
Substrate assembly and related methods
US-11008214-B2 · May 18, 2021 · US
Extremal microstructured surfaces
US-2021130157-A1 · May 6, 2021 · US
Microchannel device
US-2020369998-A1 · Nov 26, 2020 · US
Methods of fabricating semiconductor structures including cavities filled with a sacrificial material
US-2020331750-A1 · Oct 22, 2020 · US
Controlled fabrication of nanopores in nanometric solid state materials
US-10766762-B2 · Sep 8, 2020 · US
Nanochannel arrays and their preparation and use for high throughput macromolecular analysis
US-10768142-B2 · Sep 8, 2020 · US
Semiconductor element and methods for manufacturing the same
US-10766769-B2 · Sep 8, 2020 · US
Localizing nanopore fabrication on a membrane by laser illumination during controlled breakdown
US-10753009-B2 · Aug 25, 2020 · US
Precision Structured Glass Articles, integrated circuit packages, optical devices, microfluidic devices, and Methods for Making the Same
US-2020235020-A1 · Jul 23, 2020 · US
Method for manufacturing dual-cavity structure, and dual-cavity structure
US-2020216307-A1 · Jul 9, 2020 · US
Methods of fabricating semiconductor structures including cavities filled with a sacrificial material
US-10703627-B2 · Jul 7, 2020 · US
Interfacial Convective Assembly for High Aspect Ratio Structures Without Surface Treatment
US-2019389720-A1 · Dec 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B81B1/002?
- CPC B81B1/002 is the Cooperative Patent Classification code for “Holes characterised by their shape, in either longitudinal or sectional plane.”
- How many patents are filed under CPC B81B1/002 (Holes characterised by their shape, in either longitudinal or sectional plane)?
- Our database includes 102 publications tagged with this CPC code.
- Is patent activity under CPC B81B1/002 growing?
- Publication counts under this code: 12 in 2024 vs 10 in 2025 (latest complete years).