Inventor
Tuan Le
Inventor
Fountain Valley, CA, US
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E03Dprimary
E03DWater-closets or urinals with flushing devices34%
F16KValves14%
Y10TTechnical subjects covered by former us classification12%
E03CDomestic plumbing installations for fresh water or waste water9%
B67DDispensing, delivering or transferring liquids, not otherwise provided for8%
LOC235%
B05BSpraying apparatus3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
C09JAdhesives2%
F04BPositive-displacement machines for liquids2%
PatentTitleYear
10,920,114Label with adhesive and silicone-free release coating202110,774,512Siphon activated valve202010,767,766Discharge valve system and method202010,704,244Vacuum operated valve202010,676,905Flow diverter with antisiphon202010,577,786Universal flapper202010,466,663Systems, methods and apparatus for an improved interface to energy management systems2019D0857860Universal height absorbing toilet seal with tapered sleeve201910,352,030Toilet hydraulic system201910,316,502Flow diverter with antisipohon201910,294,647Universal height absorbing toilet seal201910,246,865Primed jet toilet201910,119,263Universal height absorbing toilet seal201810,119,259Flow diverter with antisiphon20189,783,976'Universal height absorbing toilet seal'2017D0792563'Universal height absorbing toilet seal with tapered sleeve'20179,469,980'Click fit toilet flush handle lever assembly'20169,428,897'Touchless activation of a toilet'20169,359,752'Toilet discharge valve assembly having moveable buoyant float therein'20169,348,344'Constant flow rate pressure regulator'20168,615,822'Air pressure activated toilet flushing system'2013D0678982'Dual flush toilet mechanism'20138,185,976'Flush valve mechanism'20128,117,687'Diverter valve with minimum bias forces'20128,104,104'Dual flush button assembly'20128,087,107'Dual flush valve refill'20127,909,054'Shank assembly for a fill valve'20117,502,509'Systems and methods for digital pen stroke correction'20096,908,123'Bayonet quick coupler'20056,615,863'Toilet fill valve tank isolation'20036,354,326'Toilet fill valve with improved noise abatement'20025,695,123'Rotary sprinkler with arc adjustment device'19975,673,855'Rotary sprinkler with reversing mechanism and adapter seal'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2013Based in Diamond Bar, CA, US· patent location history
2002–2020Patents assigned to FLUIDMASTER (21)· patent assignee history
2009Based in West Valley City, UT, US· patent location history
2011–2013Patents assigned to LE TUAN (7)· patent assignee history
2011–2012Patents assigned to COLLIN ROBERT (3)· patent assignee history
2012Patents assigned to JANISH BRYAN (3)· patent assignee history
2016–2020Based in Fountain Valley, CA, US· patent location history
2017–2019Patents assigned to COFLEX SA DE CV (5)· patent assignee history
2019Based in Plymouth, MN, US· patent location history
2021Based in Marietta, GA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FLUIDMASTER | 21 | 2002–2020 |
| LE TUANself | 7 | 2011–2013 |
| COFLEX SA DE CV | 5 | 2017–2019 |
| COLLIN ROBERT | 3 | 2011–2012 |
| JANISH BRYAN | 3 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fountain Valley, California, US | 18 | 2016–2020 |
| Diamond Bar, California, US | 12 | 1997–2013 |
| Marietta, Georgia, US | 1 | 2021 |
| Plymouth, Minnesota, US | 1 | 2019 |
| West Valley City, UT, US | 1 | 2009 |