Stories of inventors and their inventions: Doctor Stig Lundbäck and his Dynamic Adaptive Piston Pump.

This article was written by the IP Team of InnoEnergy

We all read stories about the innovators of today and how their products or services make a difference. In 'Stories of inventors and their inventions' series of publications, we shed light on a side that remains often dark and unknown to the public: their patented inventions and what impact they have had on other innovators across society. In this article, we explore the story behind Dr. Stig Lundbäck's invention.

In March of 1984, Dr. Stig Lundbäck – a doctor with the mind of an engineer, patented technology that resembles how the human heart functions while pumping blood - calling it DAPP (Dynamic Adaptive Piston Pump). When his own father died from heart disease, his last wish was that his son would help make the struggles of those living with heart disease, easier. Thus, to get the attention and funding needed to make this a reality, Dr. Lundbäck began investigating how the functionality of the heart could be used to create new industrial products. This lead to the creation of not just one, but three innovative companies: SurfCleaner, Cascade Drives and CorPower Ocean.

The SurfCleaner is posed as a solution to the global water surface pollution problem and consists of a skimmer separator hybrid that works to remove, separate and recover oil, diesel, petrol, plastics, sludge, debris, and more from the surface of the water. The product is seemingly simple, consisting of only two moving parts and using a three-step process: (1) collection (2) separation and (3) recovery. The technology, which is based on the DAPP functionality, works by combining variations in inflow velocity and direction with gravimetric separation to keep pollutants from accumulating on the water surface and therefore help in minimizing VOC emissions.


The SurfCleaner essentially works along with the laws of nature, instead of fighting them. Gravity is enhanced by setting the liquid in vertical and horizontal motion inside the body of the SurfCleaner – creating a circular inflow at the top, and an outlet at the bottom, leaving the rest to the laws of physics. This eliminates the need for a pump, powerpack and hydraulic systems, making the operation of the SurfCleaner both, efficient and cost-effective.

Although Doctor Lundbäck himself has died, his technology is being continuously developed upon by his daughter Christina, who continues the Lundbäck legacy.

The field of cleaning the surface of open water has gained popularity in recent years with applications ranging from oil spills and wastewater treatment to general collection of ocean litter and the highest number of patent applications are being filed in Japan and the United States.


The authors of the publications have used publicly available information only and no private information was handed to them by the innovators or third parties.


The IP team at InnoEnergy specializes in combining public sources and state of the art research tools, to provide our innovative member companies with business intelligence. In this case the following sources were used:

Orbit Intelligence


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