Vent stuffer for extruder and extrusion apparatus
US-2026084360-A1 · Mar 26, 2026 · US
with thread pitch varying along the longitudinal axis
with thread pitch varying along the longitudinal axis · 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 | B29C48/535 |
| Official title | with thread pitch varying along the longitudinal axis |
| Display label | with thread pitch varying along the longitudinal axis |
| Total patents | 56 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Intermittent extrusion system and extrusion device
US-2025303626-A1 · Oct 2, 2025 · US
Extruder having screw elements with a particularly large pitch in the region of the gas venting opening, and use of said extruder
US-12358202-B2 · Jul 15, 2025 · US
Screw elements with improved mixing effect and pressure build-up
US-2025196077-A1 · Jun 19, 2025 · US
Bio-pen structure for improving mixing homogeneity and bio-printing method using the same
US-2025042081-A1 · Feb 6, 2025 · US
System and method for continuously manufacturing cured membranes
US-12172358-B2 · Dec 24, 2024 · US
Injection molding machine
US-2024335997-A1 · Oct 10, 2024 · US
Screw elements for extrusion apparatus and methods of manufacturing a honeycomb body
US-12076903-B2 · Sep 3, 2024 · US
Dispensing device and methods thereof
US-2024173908-A1 · May 30, 2024 · US
System and method for continuously manufacturing cured membranes
US-2023415396-A1 · Dec 28, 2023 · US
Recycling apparatus for a cross-linked polyethylene resin using twin screw extruder
US-11826927-B2 · Nov 28, 2023 · US
System and method for continuously manufacturing cured membranes
US-11787096-B2 · Oct 17, 2023 · US
Production method for conductive composite material
US-11584830-B2 · Feb 21, 2023 · US
Single-shaft extruder and use of a single-shaft extruder, and method for altering morphology of a superabsorbent polymer, specifically an SAP polymer gel, using a single-shaft extruder
US-11560456-B2 · Jan 24, 2023 · US
Counter-rotating differential speed extrusion device, extruder and method for manufacturing materials
US-11485063-B2 · Nov 1, 2022 · US
Extruder having screw elements with a particularly large pitch in the region of the gas venting opening, and use of said extruder
US-2022339841-A1 · Oct 27, 2022 · US
Recycling apparatus for a cross-linked polyethylene resin using twin screw extruder
US-2022339820-A1 · Oct 27, 2022 · US
Single-shaft extruder and use of a single-shaft extruder, and method for altering morphology of a superabsorbent polymer gel using a single-shaft extruder
US-11458665-B2 · Oct 4, 2022 · US
Extruder screw having paths within the screw, extruder, and extrusion method
US-11224991-B2 · Jan 18, 2022 · US
Extruder screw having paths within the screw, extruder, and extrusion method
US-11220022-B2 · Jan 11, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/535?
- CPC B29C48/535 is the Cooperative Patent Classification code for “with thread pitch varying along the longitudinal axis.”
- How many patents are filed under CPC B29C48/535 (with thread pitch varying along the longitudinal axis)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/535 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).