Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163321 | Universal canister flush valve | Andrew L. Smith, Billy Jack Ahola, Donald G. Bogenschuetz, Lawrence E. Duwell, Peter W. Swart +9 more | 2024-12-10 |
| 11286655 | Universal canister flush valve | Andrew L. Smith, Billy Jack Ahola, Donald G. Bogenschuetz, Lawrence E. Duwell, Peter W. Swart +9 more | 2022-03-29 |
| 10233627 | Rimless toilet | Michael Luettgen, William Kuru, Sudip Mukerji, Peter W. Swart, Clayton C. Garrels +3 more | 2019-03-19 |
| 10132068 | Urinal spreader assembly | Kyle L. Hokel, Peter Kajuch | 2018-11-20 |
| 10060113 | Rimless toilet | Michael Luettgen, Wiliam C. Kuru, Sudip Mukerji, Peter W. Swart, Clayton C. Garrels +3 more | 2018-08-28 |
| 9605418 | Multi-flush mode toilet | Tony L. Lambert, Clayton C. Garrels, Daniel N. Halloran, Randy O. Mesun | 2017-03-28 |
| 9032560 | Multi-flush mode toilet | Tony L. Lambert, Clayton C. Garrels, Daniel N. Halloran, Randy O. Mesun | 2015-05-19 |
| 7676858 | Flush valve | Daniel N. Halloran, Peter W. Denzin, Sudip Mukerji | 2010-03-16 |