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Tuan Le — 47 Patents

FLFluidmaster: 32 patents #1 of 86Top 2%

CCCoflex S.A. De C.V.: 7 patents #5 of 14Top 40%

AAAs America: 2 patents #45 of 84Top 55%

JIJames Hardie Irrigation: 2 patents #2 of 14Top 15%

AHAs Ip Holdco: 1 patents #37 of 65Top 60%

SISiemens Industry: 1 patents #422 of 836Top 55%

Colonia Juarez, CA: #10 of 64 inventorsTop 20%

California: #8,880 of 386,348 inventorsTop 3%

Overall (All Time): #59,703 of 4,157,543Top 2%

47 Patents All Time

Tuan Le has been granted 47 US patents while listed as an inventor at Fluidmaster. The first was granted in 1997 and the most recent in September 2025. Tuan Le ranks #59,703 of 4,157,543 US inventors in our database (top 1.4%). Patent records list Tuan Le in Colonia Juarez, CA, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #	Title	Co-Inventors	Date
12428827	Omni configured flapper systems for various flush valve sizes and methods of retrofit	Joseph Han, Leland Wong, Daniel McAuley, Jack Nguyen, Daniel McFarland +5 more	2025-09-30
12163323	Primed jet toilet	David Grover, Daigo Ishiyama, Christophe Bucher, James McHale	2024-12-10
11939206	Fluid control system and method	Adam Sampson	2024-03-26
D1014235	Washer	James Toshima, Po Han Chiang, Krishna Arkalgud	2024-02-13
11828052	Universal height absorbing toilet seal	Eduardo Coronado, Pedro Gonzalez, Adam Sampson, Krishnaditya Arkalgud	2023-11-28
11746922	Pneumatic lost motion/binary device system and method	Joseph Han	2023-09-05
11713817	Balanced activation force and bistable valve system and method	Joseph Han	2023-08-01
11643798	Modular fluid valve	Joseph Han, Salvador Pena	2023-05-09
11434631	Siphon activated valve	—	2022-09-06
11391391	Discharge valve system and method	Joseph Han	2022-07-19
11268270	Universal height absorbing toilet seal	Eduardo Coronado, Pedro Gonzalez, Adam Sampson, Krishnaditya Arkalgud	2022-03-08
11193265	Primed jet toilet	David Grover, Daigo Ishiyama, Christophe Bucher, James McHale	2021-12-07
11142898	Modular fluid valve	Joseph Han, Salvador Pena	2021-10-12
11125353	Pneumatic lost motion/binary device system and method	Joseph Han	2021-09-21
10899598	Fluid control system and method	Adam Sampson	2021-01-26
10774512	Siphon activated valve	—	2020-09-15
10767766	Discharge valve system and method	Joseph Han	2020-09-08
10704244	Vacuum operated valve	—	2020-07-07
10676905	Flow diverter with antisiphon	—	2020-06-09
10577786	Universal flapper	—	2020-03-03
10466663	Systems, methods and apparatus for an improved interface to energy management systems	Jo S. Soo, Jeff Walz, Touhid Khan	2019-11-05
D857860	Universal height absorbing toilet seal with tapered sleeve	Eduardo Coronado, Pedro Gonzalez, Adam Sampson, Krishnaditya Arkalgud	2019-08-27
10352030	Toilet hydraulic system	—	2019-07-16
10316502	Flow diverter with antisipohon	—	2019-06-11
10294647	Universal height absorbing toilet seal	Eduardo Coronado, Pedro Gonzalez, Adam Sampson, Krishnaditya Arkalgud	2019-05-21