Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611967 | Dump bucket toilet with controlled discharge and return | Philip Hennessy, Myron J. Ament | 2003-09-02 |
| 5887293 | Simplified dump bucket toilet | — | 1999-03-30 |
| 5666674 | Dump bucket toilet | — | 1997-09-16 |
| 5487193 | Enhanced operation toilet | — | 1996-01-30 |
| 5426794 | Vacuum assisted toilet with controlled vacuum | — | 1995-06-27 |
| 5406652 | Toilet water source | — | 1995-04-18 |
| 5404597 | Vacuum assist toilet trap | — | 1995-04-11 |
| 5386596 | Water saver toilet | — | 1995-02-07 |
| 5142712 | Vacuum assisted toilet | — | 1992-09-01 |
| 4707868 | Toilet flushing apparatus | — | 1987-11-24 |
| 4407025 | Water-conserving toilet | John Inch | 1983-10-04 |
| D269634 | Water closet | John Inch | 1983-07-05 |
| 4310934 | Water-conserving toilet | John Inch | 1982-01-19 |