Security feature
US-10479128-B2 · Nov 19, 2019 · US
Changing, amusing, or secret pictures
Changing, amusing, or secret pictures · 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 | B44F1/10 |
| Official title | Changing, amusing, or secret pictures |
| Display label | Changing, amusing, or secret pictures |
| Total patents | 105 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 16 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 19 |
| 2020 | 11 |
| 2021 | 11 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Decoration member and method for manufacturing decoration member
US-2019291504-A1 · Sep 26, 2019 · US
Methods and apparatus for providing improved visual and optionally tactile features on a substrate
US-2019261523-A1 · Aug 22, 2019 · US
Display and labeled article
US-10322602-B2 · Jun 18, 2019 · US
Security feature
US-2019126661-A1 · May 2, 2019 · US
Systems and methods for interrupting traditional counterfeiting workflows
US-2019100046-A1 · Apr 4, 2019 · US
Decorative material
US-2019085506-A1 · Mar 21, 2019 · US
Article with curved patterns formed of aligned pigment flakes
US-10232660-B2 · Mar 19, 2019 · US
Decorative object, in particular watch glass, with an optical effect
US-2019041800-A1 · Feb 7, 2019 · US
Gaming machine
US-10083569-B2 · Sep 25, 2018 · US
Solar heat responsive exterior surface covering
US-10053865-B2 · Aug 21, 2018 · US
Security devices
US-2018215187-A1 · Aug 2, 2018 · US
Optically variable ghost image with embedded data
US-2018186164-A1 · Jul 5, 2018 · US
Method of forming and visualizing latent image
US-10002483-B2 · Jun 19, 2018 · US
Multi-layer body and method for the production thereof
US-9975370-B2 · May 22, 2018 · US
Display and labeled article
US-2018104975-A1 · Apr 19, 2018 · US
Radial lenticular blending effect
US-9924069-B2 · Mar 20, 2018 · US
Security devices
US-9902186-B2 · Feb 27, 2018 · US
Methods and apparatus for providing improved visual and optionally tactile features on a substrate
US-2018054904-A1 · Feb 22, 2018 · US
Secure laminate with security feature on the edge
US-9889698-B2 · Feb 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B44F1/10?
- CPC B44F1/10 is the Cooperative Patent Classification code for “Changing, amusing, or secret pictures.”
- How many patents are filed under CPC B44F1/10 (Changing, amusing, or secret pictures)?
- Our database includes 105 publications tagged with this CPC code.
- Is patent activity under CPC B44F1/10 growing?
- Publication counts under this code: 1 in 2024 vs 5 in 2025 (latest complete years).