Quality inspection method and quality inspection system for unvulcanized rubber material, and production method and production system for unvulcanized rubber material
US-11826928-B2 · Nov 28, 2023 · US
Rubber
Rubber · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N33/445 |
| Official title | {Rubber} |
| Display label | Rubber |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 4 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 10 |
| 2023 | 10 |
| 2024 | 15 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Performance evaluation method for elastic material
US-2023332990-A1 · Oct 19, 2023 · US
Method for estimating abrasion resistance
US-2023324315-A1 · Oct 12, 2023 · US
Analysis method
US-2023280256-A1 · Sep 7, 2023 · US
Method of quantification of free sulfur
US-2023273181-A1 · Aug 31, 2023 · US
Chemical bond evaluation method
US-2023077190-A1 · Mar 9, 2023 · US
Techniques for generating and performing analytical instrument test plans
US-11573559-B2 · Feb 7, 2023 · US
Performance evaluation method for elastic material
US-2022404253-A1 · Dec 22, 2022 · US
Evaluating performance method and system for elastic material
US-2022283066-A1 · Sep 8, 2022 · US
Water-containing substance detection device, water-containing substance detection method, and method of manufacturing rubbery polymer
US-11397157-B2 · Jul 26, 2022 · US
System, Method, and Apparatus for Automating Specimen Testing
US-2022228933-A1 · Jul 21, 2022 · US
Method for determining residual carbamate compounds on an elastomeric article
US-2022205907-A1 · Jun 30, 2022 · US
In-line ultrasonic check for detecting the partial vulcanization of a rubber mixture in the in situ silanization of bright fillers
US-2022186001-A1 · Jun 16, 2022 · US
Rubber wear testing device
US-11333592-B2 · May 17, 2022 · US
Ozone deterioration evaluation method and evaluation system of vulcanized rubber material
US-2022091021-A1 · Mar 24, 2022 · US
Evaluation system and method for evaluating vulcanized rubber material deterioration by ozone
US-2022091020-A1 · Mar 24, 2022 · US
Dynamic characteristic measurement device
US-11280697-B2 · Mar 22, 2022 · US
Method of making cured parts
US-11208540-B2 · Dec 28, 2021 · US
Dynamic Characteristic Measurement Device
US-2021389208-A1 · Dec 16, 2021 · US
Rubber Wear Testing Device
US-2021293680-A1 · Sep 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N33/445?
- CPC G01N33/445 is the Cooperative Patent Classification code for “Rubber.”
- How many patents are filed under CPC G01N33/445 (Rubber)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC G01N33/445 growing?
- Publication counts under this code: 15 in 2024 vs 9 in 2025 (latest complete years).