| 6634675 |
Pipe liner |
— |
2003-10-21 |
| 5845668 |
Enhancing pipes |
John Taylor, Michael E. Hicks, Richard Dale Lamb, Robert Neal Bennett, Keith Nixon +2 more |
1998-12-08 |
| 5738357 |
Seal for enhancing pipes |
John Taylor, Michael E. Hicks, Richard Dale Lamb, Robert Neal Bennett, Keith Nixon +2 more |
1998-04-14 |
| 5551704 |
Seal for enhancing pipes |
John Taylor, Michael E. Hicks, Richard Dale Lamb, Robert Neal Bennett, Keith Nixon +2 more |
1996-09-03 |
| 5482076 |
Enhancing pipes |
John Taylor, Michael E. Hicks, Richard Dale Lamb, Robert Neal Bennett, Keith Nixon +2 more |
1996-01-09 |
| 5433251 |
Method of replacing branch mains |
Anthony D. Elgar, Brian T. Sales |
1995-07-18 |
| 5379803 |
Apparatus for the abandonment of a branch main |
Anthony D. Elgar, Brian T. Sales |
1995-01-10 |
| 5345971 |
Method of replacing branch mains |
Anthony D. Elgar, Brian T. Sales |
1994-09-13 |
| 5327924 |
Abandonment of a branch main |
Anthony D. Elgar, Brian T. Sales |
1994-07-12 |
| 5287893 |
Head for replacing mains |
Anthony D. Elgar, Brian T. Sales |
1994-02-22 |
| 5282494 |
Replacement main having nozzle and vanes |
Anthony D. Elgar, Brian T. Sales |
1994-02-01 |