Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718167 | Well liner | Paul Hewitt | 2020-07-21 |
| 9951568 | Well liner | Paul Hewitt | 2018-04-24 |
| 6810365 | Monitoring waste liquid to determine membrane cleansing performance | — | 2004-10-26 |
| 6207065 | Integrated liquid discharge system | — | 2001-03-27 |
| 5849675 | Hydraulic system using an improved antiwear hydraulic fluid | Todd Brookhart | 1998-12-15 |
| 5669560 | Non-pulpables collection chamber with removable basket for solid waste pulpers | William K. Upton, III, William E. Schneider, Steven A. Stetz, Emily J. Gotich, Jack L. McCrea | 1997-09-23 |
| 5641730 | Grease composition with improved antiwear properties | — | 1997-06-24 |
| 5551641 | Non-pulpables collection chamber with removable basket for solid waste pulpers | William K. Upton, III, William E. Schneider, Steven A. Stetz, Emily J. Gotich, Jack L. McCrea | 1996-09-03 |
| 5464161 | Solid waste pulper | William K. Upton, III, William E. Schneider, Steven A. Stetz, Emily J. Gotich, Jack L. McCrea | 1995-11-07 |