Security element for a value document, having a luminescent security feature, and method for production thereof
US-2026042312-A1 · Feb 12, 2026 · US
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Hoffmuller Winfried patents
Hoffmuller Winfried is listed as an inventor on 28 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hoffmuller Winfried |
| Total patents | 28 |
| First publication | Feb 12, 2015 |
| Latest publication | Feb 12, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for producing effect pigments
US-12371579-B2 · Jul 29, 2025 · US
Optically variable security element, production process and embossing arrangement
US-12311692-B2 · May 27, 2025 · US
Security element with motif-forming liquid-crystal layer
US-2024375423-A1 · Nov 14, 2024 · US
Mask exposure method, transparent conductive metallization and pigment
US-12128704-B2 · Oct 29, 2024 · US
Effect pigment, production method, value document and printing ink
US-12129382-B2 · Oct 29, 2024 · US
Security element and method for producing same
US-2024308264-A1 · Sep 19, 2024 · US
Optically variable security element, production process and embossing arrangement
US-2024165986-A1 · May 23, 2024 · US
Mask exposure method, transparent conductive metallization and pigment
US-2024042788-A1 · Feb 8, 2024 · US
Method for producing an optically variable security element
US-11807029-B2 · Nov 7, 2023 · US
Recent patents
Latest publications not already listed above.
Effect pigment, manufacturing method, valuable document and printing ink
US-2023001735-A1 · Jan 5, 2023 · US
Effect pigment, production method, value document and printing ink
US-2022403177-A1 · Dec 22, 2022 · US
Method for producing an optically variable security element
US-2022314681-A1 · Oct 6, 2022 · US
Method for producing effect pigments
US-2022289989-A1 · Sep 15, 2022 · US
Reflective security element
US-2021086544-A1 · Mar 25, 2021 · US
Micro-optic viewing arrangement
US-10046585-B2 · Aug 14, 2018 · US
Security element for value documents
US-9911074-B2 · Mar 6, 2018 · US
Security element and method for producing the same
US-9840071-B2 · Dec 12, 2017 · US
Optically variable surface pattern
US-9734735-B2 · Aug 15, 2017 · US
Optically variable security element
US-9697456-B2 · Jul 4, 2017 · US
Security element
US-9399366-B2 · Jul 26, 2016 · US
Optically Variable Security Element
US-2016110638-A1 · Apr 21, 2016 · US
Security Element for Value Documents
US-2016042265-A1 · Feb 11, 2016 · US
Method for the production of security elements having registered layers of designs
US-9248689-B2 · Feb 2, 2016 · US
Optically Variable Surface Pattern
US-2016023495-A1 · Jan 28, 2016 · US
Method for the production of security elements having mutually registered designs
US-9238383-B2 · Jan 19, 2016 · US
Method for producing a microstructure on a carrier
US-8964296-B2 · Feb 24, 2015 · US
Security Element and Method for Producing the Same
US-2015041054-A1 · Feb 12, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Giesecke & Devrient Currency Technology Gmbh | 18 |
| Giesecke & Devrient Gmbh | 11 |
| Hoffmuller Winfried | 5 |
| Heim Manfred | 4 |
| Burchard Theodor | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B42D25/29 | 13 |
| B42D25/324 | 13 |
| B42D25/373 | 10 |
| B42D25/328 | 10 |
| B42D25/425 | 9 |