Inventor
SALES BRIAN T
GB6 patents
Patents
6 patentsUS5379803AJan 10, 1995
Apparatus for the abandonment of a branch main
BRITISH GAS PLC6 citations71
US5345971ASep 13, 1994
Method of replacing branch mains
BRITISH GAS PLC8 citations71
US5287893AFeb 22, 1994
Head for replacing mains
BRITISH GAS PLC8 citations71
US5282494AFeb 1, 1994
Replacement main having nozzle and vanes
BRITISH GAS PLC7 citations71
US5433251AJul 18, 1995
Method of replacing branch mains
BRITISH GAS PLC3 citations60
US5327924AJul 12, 1994
Abandonment of a branch main
BRITISH GAS PLC2 citations60