Watermark for manufacturing authenticity
US-12306925-B2 · May 20, 2025 · US
Anti-tamper
Anti-tamper · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H2239/032 |
| Official title | Anti-tamper |
| Display label | Anti-tamper |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 7 |
| 2022 | 4 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cover for an electronic payment terminal, corresponding electronic payment terminal
US-11915564-B2 · Feb 27, 2024 · US
Watermark for manufacturing authenticity
US-2022342978-A1 · Oct 27, 2022 · US
Watermark for manufacturing authenticity
US-11409859-B2 · Aug 9, 2022 · US
Keyboard for secure data entry
US-11406051-B2 · Aug 2, 2022 · US
Apparatuses and methods for restraining a lighting fixture selector
US-11320127-B2 · May 3, 2022 · US
Electromagnetic-based sensor with cold mirror cover
US-11131117-B2 · Sep 28, 2021 · US
Apparatuses and Methods for Restraining a Lighting Fixture Selector
US-2021262649-A1 · Aug 26, 2021 · US
Support part for a component of a secured electronic device
US-11099415-B2 · Aug 24, 2021 · US
Method and apparatus for authenticating and detecting circuit breaker integrity
US-11056290-B2 · Jul 6, 2021 · US
Locking an enclosed switch, a bus plug or a panelboard switch
US-10950405-B1 · Mar 16, 2021 · US
Locking an enclosed switch, a bus plug or a panelboard switch
US-2021066015-A1 · Mar 4, 2021 · US
Watermark for manufacturing authenticity
US-2021056191-A1 · Feb 25, 2021 · US
Keyboard for secure data entry
US-2020296866-A1 · Sep 17, 2020 · US
Electromagnetic-based sensor with cold mirror cover
US-2020291676-A1 · Sep 17, 2020 · US
Mechanical keypad
US-2020266013-A1 · Aug 20, 2020 · US
Payment terminal comprising wireless communications means
US-10734702-B2 · Aug 4, 2020 · US
Detection of the opening of a data input device
US-10581138-B2 · Mar 3, 2020 · US
Cover for an electronic payment terminal, corresponding electronic payment terminal
US-2020043299-A1 · Feb 6, 2020 · US
Support part for a component of a secured electronic device
US-2020026115-A1 · Jan 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H2239/032?
- CPC H01H2239/032 is the Cooperative Patent Classification code for “Anti-tamper.”
- How many patents are filed under CPC H01H2239/032 (Anti-tamper)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC H01H2239/032 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).