Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9644138 | Process and apparatus for making proppants | — | 2017-05-09 |
| 9562683 | Aphlogistic burner | — | 2017-02-07 |
| 7581608 | Levitating platform | — | 2009-09-01 |
| 5954970 | Process for treating sludge using low-level heat | — | 1999-09-21 |
| 5899027 | Contaminant shield | — | 1999-05-04 |
| D405198 | Spray paint booth wall | — | 1999-02-02 |
| 5765293 | Method for processing paint sludge | Jeffrey C. Johnson | 1998-06-16 |
| 5746650 | Integrated paint spray booth and air conditioning system and process | Jeffrey C. Johnson | 1998-05-05 |
| 5714097 | Packing | Ko C. Lang | 1998-02-03 |
| 5573587 | Process for producing building materials from paint sludge | — | 1996-11-12 |
| 5498376 | Packing | Ko C. Lang | 1996-03-12 |
| 5383312 | Contaminant shield | Ricky D. Schmidt | 1995-01-24 |
| 5273590 | Pressure pulse cleaning for adsorption tower distributors | — | 1993-12-28 |
| 5259446 | Pressure pulse cleaning for adsorption tower distributors | — | 1993-11-09 |
| 5194217 | Articulated sludge lance with a movable extension nozzle | William G. Schneider | 1993-03-16 |
| 5077456 | Portable device for cutting the inside wall of a tube by a continous arc | — | 1991-12-31 |
| 4980120 | Articulated sludge lance | James M. Bowman, William G. Schneider | 1990-12-25 |