Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5268128 | Method and apparatus for cleaning contaminated particulate material | Edward J. Lahoda | 1993-12-07 |
| 5266494 | Bench scale treatability method for evaluation of soil washing | Edward J. Lahoda | 1993-11-30 |
| 5242503 | Method of restoring contaminated solids using ion exchange powder contact | Michael C. Skriba | 1993-09-07 |
| 5232476 | Solvent recovery and reclamation system | — | 1993-08-03 |
| 5230167 | Removal or organics and volatile metals from soils using thermal desorption | Edward J. Lahoda | 1993-07-27 |
| 5192340 | Hollow fiber filter cleaning system and more particularly to the control of emissions from solvent cleaning equipment | Randolph H. Watkins, Robert M. Sluga, Steven J. Wurgler, Gregory D. Mills, Dennis C. Berry +1 more | 1993-03-09 |
| 5176187 | Flexible gas salvage containers and process for use | — | 1993-01-05 |
| 5133901 | System and method for on-line monitoring and control of heavy metal contamination in soil washing process | Steven H. Peterson, Edward J. Lahoda, Edward F. Sverdrup, Thomas V. Congedo, John Bartko +4 more | 1992-07-28 |
| 5128068 | Method and apparatus for cleaning contaminated particulate material | Edward J. Lahoda, Edward F. Sverdrup | 1992-07-07 |
| 5106404 | Emission control system for fluid compositions having volatile constituents and method thereof | — | 1992-04-21 |
| 5094277 | Direct condensation refrigerant recovery and restoration system | — | 1992-03-10 |
| 5058631 | Flexible gas salvage containers and process for use | — | 1991-10-22 |
| 5045240 | Contaminated soil restoration method | Michael C. Skriba | 1991-09-03 |
| 4878931 | Two stage vapor recovery system | — | 1989-11-07 |
| 4863271 | Optical combiner for a ring laser gyro | Kevin D. Grobsky, Joseph Purrazzella | 1989-09-05 |
| 4778628 | Underground waste barrier structure | Anuj J. Saha | 1988-10-18 |
| 4383763 | Controllable mirrors | Thomas J. Hutchings, Gary D. Babcock | 1983-05-17 |
| 4317089 | Ring laser | Thomas J. Hutchings | 1982-02-23 |
| 4270802 | Permeability restoration and lowering of uranium leakage from leached ore beds | Herbert A. Burgman | 1981-06-02 |