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MARINO PATENTS

Marino Products prospered at Barry Parade, Valley and Bambil Street, Bulimba.

This is the right place to mention that Dudley Dowling was an inventor of some importance.

In 1935 Dowling took out a US patent on his improved Drenching Gun for sheep spraying.
This was his first significant invention. Overseas rights were sold to the
British firm Coopers. Here is a typical advertisement:-



In 1945 Dowling took out a US patent for his self-priming device for a rotary vane pump.
This was an invention of World-wide significance. A simple, cheap pump could be marketed for
general and specialist purposes.

In fact, Marino advertising stopped between about 1942 and 1945.
In war-time production, Marino was supplying pumps to the US army!

The following advertisement is somewhat unclear, but it is a rare moment when Dowling
'blew his own trumpet' about an Australian invention. It says:

'During the war when it pumped petrol into aircraft, refuelled machines with crude oil
or kerosene, pumped fresh water for troops, de-watered sunken landing barges and
pumped salt water for fire fighting, this modern pumping unit was classed as an
unbeatable top performer by the U.S. Army.'



A final mention should be made in this section about Dowling's
embrace of new technologies, in the form of synthetic or plastic products.

Dowling also took out a patent in the late 1940s for his 'flexivane' pump
[18857/48], a pump that overcame problems with the variety of fluids that could be pumped.
I have not - as yet - uncovered this patent.

[NOTE: member Gadge has kindly located this Australian patent application - see below.]

Here is an advertisement for one from 1949:-