FR2465196A1
1979-09-12
Float position determining appts. - uses counter for measuring time interval between application of current pulses to conductor to reception of mechanical noise
US4305283A
1979-08-29
Position determining apparatus
GB1533750A
1976-12-13
Apparatus for performing linear operations
GB1491792A
1976-03-31
Wind girders on tanks
GB1537236A
1975-12-03
Welding
GB1498042A
1975-03-03
Thermally insulated storage containers
DE2505404A1
1975-02-08
BOOM RELIEF ARRANGEMENT
GB1491476A
1974-05-20
Floating roofs
GB1498041A
1974-03-06
Thermally insulated storage containers
GB1453330A
1974-03-06
Insulated tanks
GB1414577A
1973-02-07
Manufacture of substitute for natural gas
GB1448282A
1973-01-30
Liquid level gauge
GB1419514A
1972-08-25
Shaft encoder
GB1399267A
1972-08-23
Floating roof tanks
GB1423998A
1972-07-13
Containing structures
GB1336909A
1972-04-25
Double walled storage tanks
GB1380992A
1972-02-08
Liquid skimming device
GB1380410A
1971-12-02
Making seal assemblies
GB1335348A
1971-04-19
Desulphurisation of hydrocarbon oils
GB1315837A
1970-10-27
Depth gauges
