Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410409 | Thermal vapor stream apparatus and method | Robert Bakos, Dean P. Modroukas | 2016-08-09 |
| 5542984 | Method for dispersion of sludge and for preparing a circulator for dispersing sludge | — | 1996-08-06 |
| 5460331 | Apparatus for dispersion of sludge in a crude oil storage tank | Robert R. Cradeur | 1995-10-24 |
| 5425814 | Method for quick turnaround of hydrocarbon processing units | Nismanath Mehta, James R. Duffy | 1995-06-20 |
| 5403145 | Street legal, mobile, truck mounted tube bundle pulling apparatus | Robert R. Cradeur | 1995-04-04 |
| 5389156 | Decontamination of hydrocarbon process equipment | Nishaneth K. Mehta | 1995-02-14 |
| 5356482 | Process for vessel decontamination | Nishaneth K. Mehta | 1994-10-18 |
| 5091016 | Method for dispersing sediment contained in a storage tank | Robert R. Cradeur | 1992-02-25 |
| 5032054 | Aerial bundle puller | Robert R. Cradeur | 1991-07-16 |
| 4945933 | Liquid circulator useful for dispersing sediment contained in a storage tank | Robert R. Cradeur | 1990-08-07 |
| 4869638 | Aerial bundle puller | Robert R. Cradeur | 1989-09-26 |
| 4856545 | Multi-lange tube bundle cleaner | Robert R. Cradeur | 1989-08-15 |
| 4817653 | Tank cleaning, water washing robot | Robert R. Cradeur | 1989-04-04 |
| 4805653 | Mobile articulatable tube bundle cleaner | Robert R. Cradeur | 1989-02-21 |
| 4575305 | Truck mounted tube bundle pulling apparatus | Steven W. Krajicek, Robert R. Cradeur | 1986-03-11 |
| 4398604 | Method and apparatus for producing a high pressure thermal vapor stream | John S. Sperry | 1983-08-16 |
| 4282929 | Method of controlling scale in oil recovery operations | — | 1981-08-11 |
| 4244684 | Method for controlling corrosion in thermal vapor injection gases | John S. Sperry | 1981-01-13 |