Class E03C : DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER
Subclass 1/12: Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for waste water; Basins or fountains connected thereto (drainage devices in floors E03F 5/04); Sinks
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12259062 | Shower system | Sep 25, 23 | Mar 25, 25 | Kohler Co. |
| 12203574 | Universal and height adjustable drain adaptor | Nov 02, 21 | Jan 21, 25 | Not available |
| 12163316 | Method for recycling water and a water recycling device | Oct 11, 23 | Dec 10, 24 | ORBITAL SYSTEMS AB |
| 12140236 | Dual union drain valve with reversible check inserts | Feb 08, 23 | Nov 12, 24 | Nibco Inc. |
| 12012737 | Effluent dispenser system | May 15, 23 | Jun 18, 24 | Kuwait University |
| 11920327 | Method of operation to increase the water efficiency of system for domotic control of a plumbing installation | Jan 27, 23 | Mar 05, 24 | MÉTRICA6 INGENIERÍA Y DESARROLLOS, S.L. |
| 11898336 | Drainage control device | Oct 21, 22 | Feb 13, 24 | Not available |
| 11840829 | Pipe joint and piping structure | Mar 19, 20 | Dec 12, 23 | SEKISUI CHEMICAL CO., LTD. |
| 11821179 | Method for recycling water and a water recycling device | Dec 07, 20 | Nov 21, 23 | ORBITAL SYSTEMS AB |
| 11767930 | Shower system | Apr 15, 22 | Sep 26, 23 | Kohler Co. |
| 11668084 | Sanitary washing device | Jun 16, 20 | Jun 06, 23 | Toto Ltd. |
| 11655621 | Flat drain for showers | Jul 12, 21 | May 23, 23 | Not available |
| 11566402 | System for domotic control of a plumbing installation and method of operation to increase the water efficiency of the same | Mar 28, 18 | Jan 31, 23 | MÉTRICA6 INGENIERÍA Y DESARROLLOS, S.L. |
| 11505930 | Floor drain system | Mar 04, 20 | Nov 22, 22 | Ebbe America LC |
| 11447939 | Environmentally-friendly shower water recycling system | Dec 11, 18 | Sep 20, 22 | Not available |
| 11447943 | Pipe connector | Sep 19, 19 | Sep 20, 22 | MAAX BATH INC. |
| 11306846 | Shower system | Aug 07, 19 | Apr 19, 22 | Kohler Co. |
| 11234562 | Handheld personal perineal cleansing system and methods | Jun 22, 20 | Feb 01, 22 | Not available |
| 11202538 | Water inlet through seat post | Dec 19, 18 | Dec 21, 21 | Not available |
| 11193721 | Heat recovery unit for gray water | Aug 04, 20 | Dec 07, 21 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0082,144 | ROBOT CLEANER STATION | Sep 09, 24 | Mar 13, 25 | LG Electronics Inc. |
| 2023/0008,625 | Flat drain for showers | Jul 12, 21 | Jan 12, 23 | Not available |
| 2021/0372,104 | REVERSIBLE PIPE FITTING | May 17, 21 | Dec 02, 21 | Not available |
| 2019/0161,951 | BIDET RINSE RING | Jan 28, 19 | May 30, 19 | MAG Aerospace Industries, LLC |
| 2018/0171,608 | METHOD AND SYSTEM FOR RECYCLING DOMESTIC GREYWATER | Feb 11, 18 | Jun 21, 18 | Not available |
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