Optical Fibers with Multiple Openings From Additive Manufacturing
US-2019382298-A1 · Dec 19, 2019 · US
Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles
Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles · 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 | C03B17/04 |
| Official title | Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles |
| Display label | Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles |
| Total patents | 150 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 12 |
| 2017 | 10 |
| 2018 | 12 |
| 2019 | 27 |
| 2020 | 12 |
| 2021 | 16 |
| 2022 | 9 |
| 2023 | 18 |
| 2024 | 8 |
| 2025 | 11 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Overflow downdraw glass tube forming apparatus
US-10472269-B2 · Nov 12, 2019 · US
High optical quality glass tubing and method of making
US-10450214-B2 · Oct 22, 2019 · US
Method and apparatus for controlling glass tube taper
US-2019284081-A1 · Sep 19, 2019 · US
Thermally stable glass tubing forming apparatuses
US-10399883-B2 · Sep 3, 2019 · US
Fused quartz tubing for pharmaceutical packaging and methods for making the same
US-10384972-B2 · Aug 20, 2019 · US
Method of making optical fibers with multiple openings
US-10370280-B2 · Aug 6, 2019 · US
Preparation of quartz glass bodies from silicon dioxide powder
US-2019152827-A1 · May 23, 2019 · US
Increase in silicon content in the preparation of quartz glass
US-2019119141-A1 · Apr 25, 2019 · US
Preparation of a quartz glass body in a hanging metal sheet crucible
US-2019077688-A1 · Mar 14, 2019 · US
Spray granulation of silicon dioxide in the preparation of quartz glass
US-2019077691-A1 · Mar 14, 2019 · US
Preparation and post-treatment of a quartz glass body
US-2019071342-A1 · Mar 7, 2019 · US
Preparation of a quartz glass body in a melting crucible of refractory metal
US-2019071344-A1 · Mar 7, 2019 · US
Preparation of quartz glass bodies from silicon dioxide granulate
US-2019062197-A1 · Feb 28, 2019 · US
Preparation of a quartz glass body in a multi-chamber oven
US-2019062193-A1 · Feb 28, 2019 · US
Preparation of a quartz glass body in a standing sinter crucible
US-2019031554-A1 · Jan 31, 2019 · US
Preparation of carbon-doped silicon dioxide granulate as an intermediate in the preparation of quartz glass
US-2018370835-A1 · Dec 27, 2018 · US
Ammonia treatment of silicon dioxide powder in the preparation of quartz glass
US-2018370838-A1 · Dec 27, 2018 · US
Sleeve for glass tube molding
US-2018362384-A1 · Dec 20, 2018 · US
Sleeve for glass tube molding
US-2018362382-A1 · Dec 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03B17/04?
- CPC C03B17/04 is the Cooperative Patent Classification code for “Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles.”
- How many patents are filed under CPC C03B17/04 (Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles)?
- Our database includes 150 publications tagged with this CPC code.
- Is patent activity under CPC C03B17/04 growing?
- Publication counts under this code: 8 in 2024 vs 11 in 2025 (latest complete years).