Alloy thermal fuse
US-2026078469-A1 · Mar 19, 2026 · US
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Liu Rongtu patents
Liu Rongtu is listed as an inventor on 67 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Liu Rongtu |
| Total patents | 67 |
| First publication | Jan 25, 2018 |
| Latest publication | Mar 19, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Highly compatible lighting device driver
US-2026052612-A1 · Feb 19, 2026 · US
Led lighting device
US-2025320973-A1 · Oct 16, 2025 · US
LED lighting device
US-12366346-B2 · Jul 22, 2025 · US
High compatibility dimming system
US-12349249-B2 · Jul 1, 2025 · US
Led lighting device
US-2025035289-A1 · Jan 30, 2025 · US
LED lighting device
US-12146621-B2 · Nov 19, 2024 · US
Lighting device having replaceable intelligent sensor
US-12133309-B2 · Oct 29, 2024 · US
Led lighting device
US-2024353074-A1 · Oct 24, 2024 · US
Multi-function intelligent lighting device control system and control method thereof
US-12089313-B2 · Sep 10, 2024 · US
Recent patents
Latest publications not already listed above.
Lamp
US-D1037499-S · Jul 30, 2024 · US
Lighting device having replaceable intelligent sensor
US-2024244728-A1 · Jul 18, 2024 · US
High compatibility dimming system
US-2024215127-A1 · Jun 27, 2024 · US
Color temperature adjustable lamp head
US-D1022263-S · Apr 9, 2024 · US
High-safety lamp tube and method for increasing protection range of thermal fuse
US-11942294-B2 · Mar 26, 2024 · US
Lighting device having integrated end cap
US-11898708-B1 · Feb 13, 2024 · US
Multi-function lighting device
US-2024023215-A1 · Jan 18, 2024 · US
Power system capable of preventing from mistakenly triggering electric shock protection function of lamp tubes and method thereof
US-11873981-B2 · Jan 16, 2024 · US
Lamp tube
US-D1007810-S · Dec 19, 2023 · US
Light-emitting diode lighting device with light spectrum adjustment function
US-11832359-B1 · Nov 28, 2023 · US
Intelligent lighting device control system with adaptive adjustment function and method thereof
US-11832363-B1 · Nov 28, 2023 · US
Multi-function intelligent lighting device control system and control method thereof
US-2023371156-A1 · Nov 16, 2023 · US
Intelligent lighting device control system with adaptive adjustment function and method thereof
US-2023371151-A1 · Nov 16, 2023 · US
Lighting device having illumination compensation function and method thereof
US-2023292414-A1 · Sep 14, 2023 · US
Lighting device having illumination compensation function and method thereof
US-11758625-B1 · Sep 12, 2023 · US
Intelligent lighting device controller with adaptive adjustment function and method thereof
US-11723135-B1 · Aug 8, 2023 · US
Lamp tube structure capable of preventing glue from overflowing
US-11719417-B1 · Aug 8, 2023 · US
High-safety lamp tube and method for increasing protection range of thermal fuse
US-2023170170-A1 · Jun 1, 2023 · US
Lighting system with illumination-balancing function and control method thereof
US-2023156895-A1 · May 18, 2023 · US
Power system capable of preventing from mistakenly triggering electric shock protection function of lamp tubes and method thereof
US-2023097241-A1 · Mar 30, 2023 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Xiamen Pvtech Co Ltd | 67 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F21Y2115/10 | 30 |
| F21K9/278 | 21 |
| Y02B20/40 | 21 |
| F21Y2103/10 | 19 |
| H05B45/50 | 18 |