Charging function fallback
US-12513497-B2 · Dec 30, 2025 · US
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Engelhart Robert L patents
Engelhart Robert L is listed as an inventor on 13 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Engelhart Robert L |
| Total patents | 13 |
| First publication | Jun 5, 2018 |
| Latest publication | Dec 30, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Methods and systems for reporting zero usage for immediate trigger types
US-11985573-B1 · May 14, 2024 · US
Charging function fallback
US-2023362604-A1 · Nov 9, 2023 · US
Charging function fallback
US-11751023-B2 · Sep 5, 2023 · US
Charging function fallback
US-2022377510-A1 · Nov 24, 2022 · US
Data charging during charging function outages
US-11083044-B2 · Aug 3, 2021 · US
Data charging during charging function outages
US-2021037598-A1 · Feb 4, 2021 · US
Data charging during charging function outages
US-10813167-B2 · Oct 20, 2020 · US
Data charging during charging function outages
US-2020267802-A1 · Aug 20, 2020 · US
Using an IP multimedia subsystem for HTTP session authentication
US-10742631-B2 · Aug 11, 2020 · US
Recent patents
Latest publications not already listed above.
Data charging during charging function outages
US-10531515-B1 · Jan 7, 2020 · US
Using an ip multimedia subsystem for http session authentication
US-2018278599-A1 · Sep 27, 2018 · US
Using an IP multimedia subsystem for HTTP session authentication
US-9992183-B2 · Jun 5, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| T Mobile Usa Inc | 13 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04W4/24 | 10 |
| H04M15/66 | 10 |
| H04L12/1407 | 10 |
| H04M15/74 | 9 |
| H04M15/70 | 9 |