Multifeed detection device and multifeed detection method
US-12522457-B2 · Jan 13, 2026 · US
Detecting folds or doubles
Detecting folds or doubles · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G07D7/183 |
| Official title | Detecting folds or doubles |
| Display label | Detecting folds or doubles |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 12 |
| 2019 | 10 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-transitory recording medium and paper sheet handling apparatus
US-12394270-B2 · Aug 19, 2025 · US
Banknote image processing device and banknote image processing method
US-2024404152-A1 · Dec 5, 2024 · US
Multifeed detection device and multifeed detection method
US-2024029497-A1 · Jan 25, 2024 · US
Non-transitory recording medium and paper sheet handling apparatus
US-2022383685-A1 · Dec 1, 2022 · US
Methods and device for checking value documents
US-10950080-B2 · Mar 16, 2021 · US
Validation of damaged banknotes
US-10810589-B2 · Oct 20, 2020 · US
Paper sheet identification device and paper sheet identification method
US-10740998-B2 · Aug 11, 2020 · US
Paper currency fold recognition apparatus and method
US-10388099-B2 · Aug 20, 2019 · US
Double feed exceptions identifying system
US-10373007-B2 · Aug 6, 2019 · US
Medium processing apparatus and method of controlling the medium processing apparatus
US-10319169-B2 · Jun 11, 2019 · US
Folded bill identification method and device
US-10319170-B2 · Jun 11, 2019 · US
Paper sheet thickness detecting sensor and banknote classifying unit
US-10269200-B2 · Apr 23, 2019 · US
Method for examining a value document, and means for carrying out the method
US-10262200-B2 · Apr 16, 2019 · US
Method for providing measurement data of a device for processing security documents and security-document processing device
US-10255742-B2 · Apr 9, 2019 · US
Paper sheet identification device and paper sheet identification method
US-2019080543-A1 · Mar 14, 2019 · US
Methods and device for checking value documents
US-2019035195-A1 · Jan 31, 2019 · US
Device and method for examining documents of value and/or transporting documents of value by means of ultrasound
US-2019012866-A1 · Jan 10, 2019 · US
Double feed exceptions identifying system
US-2018285671-A1 · Oct 4, 2018 · US
Folded bill identification method and device
US-2018268634-A1 · Sep 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G07D7/183?
- CPC G07D7/183 is the Cooperative Patent Classification code for “Detecting folds or doubles.”
- How many patents are filed under CPC G07D7/183 (Detecting folds or doubles)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC G07D7/183 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).