Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1069054 | Gasket | Antonio Esposito | 2025-04-01 |
| 12227929 | Siphon flush valve and toilet assembly | — | 2025-02-18 |
| 11946238 | Adjustable flush valve poppet assembly | Ken Nguyen, James G. Johnson | 2024-04-02 |
| 11886213 | Connected sanitaryware systems and methods | Behnam Heydari, Eric B. Soberano, Verne Myers, Christopher M. Helmstetter, Mahendra Gunawardena +4 more | 2024-01-30 |
| 11692336 | Siphon valve | — | 2023-07-04 |
| D967336 | Flush valve | — | 2022-10-18 |
| 11427994 | Pressurized toilet | — | 2022-08-30 |
| 11365533 | Siphon valve | — | 2022-06-21 |
| 11008743 | Toilet flush valve assemblies | — | 2021-05-18 |
| 10221553 | Toilet flush valve assemblies | — | 2019-03-05 |
| 10077549 | Kits, assemblies and methods for no-tools toilet installation | David Grover, James P. Walsh | 2018-09-18 |
| 9289103 | Easy-install toilet seat | — | 2016-03-22 |
| 9169629 | Kits, assemblies and methods for no-tools toilet installation | David Grover, James P. Walsh | 2015-10-27 |
| 8266733 | Toilet flush valve | — | 2012-09-18 |
| 8079095 | Limited volume high performance flush valve assembly | — | 2011-12-20 |
| 7568275 | Apparatus, systems and methods for work piece isothermal dry machining and assembly fixtures | — | 2009-08-04 |
| 7309366 | Bag cleaning compressed air nozzle | — | 2007-12-18 |
| 6901610 | High performance valve assembly for toilets | Joseph Han | 2005-06-07 |
| 6715162 | Toilet assembly | Joseph Han, Aleksandr Prokopenko | 2004-04-06 |
| 6076554 | Multiport plug valve with selectable port exclusion | Edward C. Teter | 2000-06-20 |
| 5904743 | Dust collector bag fastening apparatus | — | 1999-05-18 |
| 5685027 | Siphonic flush valve for toilets | — | 1997-11-11 |
| 5660595 | Portable track | Peter A. Ferro, Jr., John C. Vande Velde, Robert J. Sutphen, Valere F. Vande Velde, Cecil R. Behringer, deceased | 1997-08-26 |
| 5647068 | Toilet flushing device with water saving features | — | 1997-07-15 |
| 5611091 | Toilet trip lever arm with integral energy absorbing member | — | 1997-03-18 |