Description
Class E03D : WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
Subclass 1/28: Water flushing devices with cisterns Low-level flushing systems Bowl integral with the flushing cistern
E03D 1/28
Sub-Class
Stats
- 22 US PATENTS IN FORCE
- 9 US APPLICATIONS PENDING
- 4 Total Patent Owners
- 77 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12215492 | Flush toilet | May 28, 21 | Feb 04, 25 | Toto Ltd. |
| 11773576 | Pressure flushing system and toilet | Sep 29, 19 | Oct 03, 23 | Not available |
| 11572682 | Flush toilet apparatus | Feb 11, 22 | Feb 07, 23 | Toto Ltd. |
| 11486123 | Flush toilet | Aug 25, 21 | Nov 01, 22 | Toto Ltd. |
| 11384521 | Flush toilet | Sep 09, 20 | Jul 12, 22 | Toto Ltd. |
| 11371228 | Flushing assembly, water supply assembly, lower position water suction assembly, water tank, check valve for use in a toilet, and method, device, and storage medium for controlling toilet water consumption | Dec 09, 19 | Jun 28, 22 | Kohler Co. |
| 11332916 | Flush toilet | Sep 09, 20 | May 17, 22 | Toto Ltd. |
| 11280077 | Water-pressure—powered toilet flushing mechanism | Dec 10, 19 | Mar 22, 22 | Ofer Kochavi |
| 11274428 | Flush toilet | Sep 10, 20 | Mar 15, 22 | Toto Ltd. |
| 11236498 | Flush toilet | Sep 10, 20 | Feb 01, 22 | Toto Ltd. |
| 11186975 | Flush water tank apparatus and flush toilet apparatus comprising flush water tank apparatus | Aug 04, 20 | Nov 30, 21 | Toto Ltd. |
| 10865553 | Toilet flushing system installed in a toilet reservoir | Jun 25, 19 | Dec 15, 20 | Not available |
| 10738452 | Flush toilet | Dec 22, 17 | Aug 11, 20 | Toto Ltd. |
| 10704243 | Flush toilet | Mar 07, 18 | Jul 07, 20 | Toto Ltd. |
| 10370836 | Toilet flushing system installed in a toilet reservoir | May 10, 17 | Aug 06, 19 | RICHARD COREY BREED |
| 10337180 | Low flush toilet system | Sep 14, 17 | Jul 02, 19 | OT LLC |
| 9702130 | Toilet flush tank | Feb 13, 15 | Jul 11, 17 | LIXIL CORPORATION |
| 9487942 | Spray siphon toilet with accelerating siphon | Sep 11, 13 | Nov 08, 16 | XIAMEN AXENT CORPORATION LIMITED |
| 9481992 | Freestanding toilet with cast-on toilet tank | May 10, 13 | Nov 01, 16 | DURAVIT AKTIENGESELLSCHAFT |
| 5867844 | Pump operated plumbing fixture | Dec 27, 96 | Feb 09, 99 | KOHLER CO. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0101,726 | TOILET CLEANING SYSTEM | Oct 07, 24 | Mar 27, 25 | Not available |
| 2025/0027,307 | Toilet | Mar 07, 22 | Jan 23, 25 | Lixil (China) Investment Co., Ltd. |
| 2024/0401,318 | FLUSHING SYSTEM AND INTELLIGENT TOILET | Apr 01, 24 | Dec 05, 24 | Zhejiang IKAHE Sanitary Ware Co., Ltd. |
| 2024/0240,443 | FLUSHING ASSEMBLY, WATER SUPPLY ASSEMBLY, LOWER POSITION WATER SUCTION ASSEMBLY, WATER TANK, CHECK VALVE FOR USE IN A TOILET, AND METHOD, DEVICE, AND STORAGE MEDIUM FOR CONTROLLING TOILET WATER CONSUMPTION | Mar 29, 24 | Jul 18, 24 | Not available |
| 2024/0209,611 | FLUSH TOILET | Nov 21, 23 | Jun 27, 24 | Not available |
| 2023/0183,960 | FLUSHING ASSEMBLY, WATER SUPPLY ASSEMBLY, LOWER POSITION WATER SUCTION ASSEMBLY, WATER TANK, CHECK VALVE FOR USE IN A TOILET, AND METHOD, DEVICE, AND STORAGE MEDIUM FOR CONTROLLING TOILET WATER CONSUMPTION | Jan 31, 23 | Jun 15, 23 | Not available |
| 2023/0144,334 | VACUUM TOILET AND CONTAINER BODY FOR A VACUUM TOILET | Mar 25, 21 | May 11, 23 | Trainvac GmbH |
| 2022/0275,617 | FLUSHING ASSEMBLY, WATER SUPPLY ASSEMBLY, LOWER POSITION WATER SUCTION ASSEMBLY, WATER TANK, CHECK VALVE FOR USE IN A TOILET, AND METHOD, DEVICE, AND STORAGE MEDIUM FOR CONTROLLING TOILET WATER CONSUMPTION | May 12, 22 | Sep 01, 22 | Not available |
| 2017/0254,058 | TOILET DEVICE | Aug 03, 15 | Sep 07, 17 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 19 Months (last 2 years Issuances)
- 19 Months (last 5 years Issuances)