Doorbell system with energy storage device
US-11763643-B2 · Sep 19, 2023 · US
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Long John M patents
Long John M is listed as an inventor on 7 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Long John M |
| Total patents | 7 |
| First publication | Jun 4, 2019 |
| Latest publication | Sep 19, 2023 |
Notable patents
Publications ranked by popularity score, then publication date.
Doorbell system with energy storage device
US-2021183213-A1 · Jun 17, 2021 · US
Doorbell system with energy storage device
US-10957169-B2 · Mar 23, 2021 · US
Doorbell system with energy storage device
US-2020388118-A1 · Dec 10, 2020 · US
Doorbell system with pulse-driven boost rectifier
US-10692334-B2 · Jun 23, 2020 · US
Doorbell system with pulse-driven boost rectifier
US-2020005604-A1 · Jan 2, 2020 · US
Doorbell system with pulse-driven boost rectifier
US-10311685-B1 · Jun 4, 2019 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Logitech Europe Sa | 7 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H02M7/219 | 7 |
| G08B3/10 | 7 |
| H02M1/0085 | 7 |
| H02J7/34 | 4 |
| G08B13/196 | 4 |