| 6746201 |
Bundle puller with adjustable length carriage frame |
John M. Dewees, James E. Edward |
2004-06-08 |
| 5862819 |
Mobile apparatus for removing hazardous gases from enclosed structures |
— |
1999-01-26 |
| 5634962 |
Method for removing hazardous gases from enclosed structures |
Timothy W. Trahan, Nishanath K. Mehta |
1997-06-03 |
| 5485966 |
Remotely controlled chopping machine for tank cleaning |
— |
1996-01-23 |
| 5460331 |
Apparatus for dispersion of sludge in a crude oil storage tank |
Richard W. Krajicek |
1995-10-24 |
| 5403145 |
Street legal, mobile, truck mounted tube bundle pulling apparatus |
Richard W. Krajicek |
1995-04-04 |
| 5261600 |
Vertical tube bundle cleaner |
— |
1993-11-16 |
| 5091016 |
Method for dispersing sediment contained in a storage tank |
Richard W. Krajicek |
1992-02-25 |
| 5032054 |
Aerial bundle puller |
Richard W. Krajicek |
1991-07-16 |
| 4945933 |
Liquid circulator useful for dispersing sediment contained in a storage tank |
Richard W. Krajicek |
1990-08-07 |
| 4869638 |
Aerial bundle puller |
Richard W. Krajicek |
1989-09-26 |
| 4856545 |
Multi-lange tube bundle cleaner |
Richard W. Krajicek |
1989-08-15 |
| 4817653 |
Tank cleaning, water washing robot |
Richard W. Krajicek |
1989-04-04 |
| 4805653 |
Mobile articulatable tube bundle cleaner |
Richard W. Krajicek |
1989-02-21 |
| 4666365 |
Tube bundle pulling apparatus |
— |
1987-05-19 |
| 4575305 |
Truck mounted tube bundle pulling apparatus |
Richard W. Krajicek, Steven W. Krajicek |
1986-03-11 |