Class A47K : SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR
Subclass 1/14: Wash-stands; Appurtenances therefor (devices for washing the hair or scalp A45D 19/00; basins used in manual washing or cleaning of crockery, table-ware, cooking-ware, or the like A47L 17/02; with appurtenances for curative purposes A61H) Stoppers for wash-basins, baths, sinks, or the like
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12188215 | Bathtub drain stopper | Oct 20, 21 | Jan 07, 25 | PF WATERWORKS LP |
| 12173490 | Device and method for concealing a flange of a waste water strainer | Sep 11, 23 | Dec 24, 24 | WCM Industries, Inc. |
| 12116761 | Drain unit | Oct 26, 22 | Oct 15, 24 | SANEI LTD. |
| 12116766 | Blind install drain for bath or shower | Dec 04, 20 | Oct 15, 24 | Kohler Co. |
| 12089789 | Pedicure chair assembly having basin | Jul 22, 22 | Sep 17, 24 | Lexor, Inc. |
| 11788267 | Device and method for concealing a flange of a waste water strainer | Dec 03, 21 | Oct 17, 23 | WCM Industries, Inc. |
| 11680397 | Kitchen sink drain stopper and strainer | Jun 23, 21 | Jun 20, 23 | PF WATERWORKS LP |
| 11592042 | System and method for assembly attachment | Feb 18, 20 | Feb 28, 23 | Sink Couture LLC |
| 11517155 | Drain flange cover and strainer | Mar 06, 18 | Dec 06, 22 | PF WATERWORKS LP |
| 11391027 | Drain strainer | Aug 30, 21 | Jul 19, 22 | Not available |
| 11220810 | Device and method for concealing a flange of a waste water strainer | Mar 12, 20 | Jan 11, 22 | WCM Industries, Inc. |
| 11103050 | Hair-shavings collecting sheet | Aug 07, 19 | Aug 31, 21 | Not available |
| 11019965 | Bathtub drain flange assembly | Nov 18, 18 | Jun 01, 21 | PF WATERWORKS LP |
| 10941894 | Pipe sealing device and methods of using the same | Nov 08, 19 | Mar 09, 21 | Not available |
| 10925441 | Universal sink stopper and strainer | May 12, 20 | Feb 23, 21 | Danco, Inc. |
| 10900210 | Drain plug linkage structure | May 08, 19 | Jan 26, 21 | Xiamen Lota International Co. Ltd. |
| 10876279 | Wash basin drain | Nov 08, 16 | Dec 29, 20 | ZHEJIANG DELIFU TECHNOLOGY CO., LTD |
| 10722079 | Universal sink stopper and strainer | May 07, 18 | Jul 28, 20 | Danco, Inc. |
| 10704242 | Sink plug arrangement | Dec 20, 18 | Jul 07, 20 | OY PREVEX AB |
| 10687672 | Sink drain stopper decorative cap | Jan 22, 19 | Jun 23, 20 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0116,104 | BLIND INSTALL DRAIN FOR BATH OR SHOWER | Oct 14, 24 | Apr 10, 25 | Kohler Co. |
| 2025/0075,480 | Bathtub Drain Stopper | Nov 14, 24 | Mar 06, 25 | PF Waterworks LP |
| 2025/0052,045 | DEVICE AND METHOD FOR CONCEALING A FLANGE OF A WASTE WATER STRAINER | Oct 31, 24 | Feb 13, 25 | WCM Industries, Inc. |
| 2024/0057,822 | Sink Drain Plug With Cleaning Brush Attachment | Aug 08, 23 | Feb 22, 24 | Not available |
| 2023/0337,865 | Sink Drain Guard Sheet | Apr 20, 22 | Oct 26, 23 | Not available |
| 2020/0268,214 | UNIVERSAL SINK STOPPER AND STRAINER | May 12, 20 | Aug 27, 20 | Not available |
| 2020/0196,803 | POP-UP VALVE | Oct 20, 17 | Jun 25, 20 | SEONGJIN CO., LTD. |
| 2018/0317,716 | UNIVERSAL SINK STOPPER AND STRAINER | May 07, 18 | Nov 08, 18 | Not available |
| 2018/0235,406 | BATH PLUG | Aug 05, 16 | Aug 23, 18 | Not available |
| 2017/0073,948 | Drain Stopper With Detachable Solid Matter Receptacle | Sep 08, 16 | Mar 16, 17 | Not available |
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