Audio-based access control
US-12537008-B2 · Jan 27, 2026 · US
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Langenberg Daniel patents
Langenberg Daniel is listed as an inventor on 40 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Langenberg Daniel |
| Total patents | 40 |
| First publication | Jun 8, 2017 |
| Latest publication | Jan 27, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Automated architectural specification generation and hardware identification
US-2025265880-A1 · Aug 21, 2025 · US
Interchangeable functional rose insert
US-12371925-B2 · Jul 29, 2025 · US
Powered opening module for a door closer
US-2025198220-A1 · Jun 19, 2025 · US
Automated architectural specification generation and hardware identification
US-12293619-B2 · May 6, 2025 · US
Lock/unlock indicator
US-2025003257-A1 · Jan 2, 2025 · US
Audio-based access control
US-2025006198-A1 · Jan 2, 2025 · US
Interchangeable functional rose insert
US-2024309675-A1 · Sep 19, 2024 · US
Powered opening module for a door closer
US-12071803-B2 · Aug 27, 2024 · US
Powered opening module for a door closer
US-2024110431-A1 · Apr 4, 2024 · US
Recent patents
Latest publications not already listed above.
Interchangeable functional rose insert
US-11939800-B2 · Mar 26, 2024 · US
Audio-based access control
US-11922950-B2 · Mar 5, 2024 · US
Door fault identification
US-2023258611-A1 · Aug 17, 2023 · US
Powered opening module for a door closer
US-11661786-B2 · May 30, 2023 · US
Door closer diagnostics system
US-11560745-B2 · Jan 24, 2023 · US
Audio-based access control
US-2022375474-A1 · Nov 24, 2022 · US
Audio-based access control
US-11302336-B2 · Apr 12, 2022 · US
Energy harvesting lock system
US-11268300-B2 · Mar 8, 2022 · US
Door closer diagnostics system
US-2022003030-A1 · Jan 6, 2022 · US
Powered opening module for a door closer
US-2021372191-A1 · Dec 2, 2021 · US
Wireless power status through boosted output voltage
US-11171503-B2 · Nov 9, 2021 · US
Automated architectural specification generation and hardware identification
US-2021343095-A1 · Nov 4, 2021 · US
Interchangeable functional rose insert
US-2021274669-A1 · Sep 2, 2021 · US
Automated architectural specification generation and hardware identification
US-11062541-B2 · Jul 13, 2021 · US
Door closer diagnostics system
US-10947764-B2 · Mar 16, 2021 · US
Power boost module for a door closer
US-10844644-B2 · Nov 24, 2020 · US
Dynamic energy harvesting and variable harvesting force system
US-10790766-B2 · Sep 29, 2020 · US
Energy harvesting lock system
US-2020232255-A1 · Jul 23, 2020 · US
Audio-based access control
US-2020202866-A1 · Jun 25, 2020 · US
Wireless power status through boosted output voltage
US-2020153267-A1 · May 14, 2020 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Schlage Lock Co Llc | 39 |
| Dormakaba Usa Inc | 1 |
| Schlage Lock Compaq Y Llc | 1 |
| Schlage Lock Compay LLC | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E05Y2900/132 | 18 |
| E05F15/63 | 11 |
| E05F3/22 | 9 |
| G07C9/00563 | 8 |
| E05Y2400/40 | 8 |