Inventor
JOSEPH HAN
Inventor
US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Kprimary
F16KValves43%
E03DWater-closets or urinals with flushing devices29%
F04BPositive-displacement machines for liquids14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
12,428,827Omni configured flapper systems for various flush valve sizes and methods of retrofit202511,746,922Pneumatic lost motion/binary device system and method202311,713,817Balanced activation force and bistable valve system and method202311,391,391Discharge valve system and method2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to FLUIDMASTER (4)· patent assignee history
2022–2025Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FLUIDMASTER | 4 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 4 | 2022–2025 |