Half a Century of Innovation Dunlop Oil & Marine Ltd. is a world leader in the design, manufacture and supply of hoses for the oil, gas, petrochemical and dredging industries, for both offshore and onshore based operations. Since our founding in 1955 we have been responsible for all the major innovations in hose technology, including the first integrally floated oil hose Selflote, the first specialised tanker rail hose, the first double carcass anti-pollution floating and submarine hose ranges Saflote and Safgard, the first successful catenary hose design and the first 1m bore dredge hose.