Method for producing low-substituted hydroxypropyl cellulose
US-2025361329-A1 · Nov 27, 2025 · US
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operating with only one screw or worm
operating with only one screw or worm · 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 | B30B9/14 |
| Official title | operating with only one screw or worm |
| Display label | operating with only one screw or worm |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2020 | 4 |
| 2021 | 4 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and device for measuring the filtrate content on a screw press
US-12365159-B2 · Jul 22, 2025 · US
Dewatering machine capable of controlling moisture content
US-12358824-B2 · Jul 15, 2025 · US
Method and Device for Measuring the Filtrate Content On a Screw Press
US-2024239073-A1 · Jul 18, 2024 · US
Dewatering machine capable of controlling moisture content
US-2023077658-A1 · Mar 16, 2023 · US
Method for removing liquid from a slurry
US-11179909-B2 · Nov 23, 2021 · US
Screw press
US-11052626-B2 · Jul 6, 2021 · US
Screw Press
US-2021122128-A1 · Apr 29, 2021 · US
Juicer having juice extracting screw assembly
US-10905275-B2 · Feb 2, 2021 · US
Method for removing liquid from a slurry
US-2020223169-A1 · Jul 16, 2020 · US
Method for removing liquid from a slurry
US-10654235-B2 · May 19, 2020 · US
Horizontal juice extractor
US-10646063-B2 · May 12, 2020 · US
Masticating juicer
US-10531759-B2 · Jan 14, 2020 · US
Juicer having juice extracting screw assembly
US-2018008078-A1 · Jan 11, 2018 · US
Masticating sperarator
US-2017325616-A1 · Nov 16, 2017 · US
Horizontal juice extractor
US-2017303723-A1 · Oct 26, 2017 · US
Juicer having juice extracting screw assembly
US-9788676-B2 · Oct 17, 2017 · US
Electrical kitchen appliance comprising a pressing screw
US-9456631-B2 · Oct 4, 2016 · US
Apparatuses and methods for compacting waste
US-9421728-B2 · Aug 23, 2016 · US
Method for removing liquid from a slurry
US-2015165709-A1 · Jun 18, 2015 · US