Slovak Inventors

Juraj Olejňák & Samo Majerník

He is consiedered as a father of helicopter 1895 – presented his first concept of

helicopter in Bratislava He was improving his invention for

years till first real flight of his invention in 1901

Many other inventors used his concept and created their own

Ján Bahýľ

Finally he could not get enough

resources to build his invention in bigger scale

Louis Brequet and Paul Cornu had found investor and now are official

inventors of helicopter

Ján Bahýľ

He was born on 28th November,

1870 in Neštich and died on 2nd of January, 1941 in Neštich

1907 - he moved to USA 1913 - he designed and constructed

the first parachute on the principle of umbrella

Štefan Banič

1914 – he jumped from the

15-floors high building in Washington and showed ´ representatives of the Patent Office, that his parachute is working.

His parachutes were used by American pilots in first World War.

Štefan Banič

Important constructor of mine

pumping machines Born on 15th of May, 1713 in

Banská Štiavnica In his 25, he build pumping

pumping machine made all from wood that could siphon 200 litres per minute into the height of 80 meters

Jozef Karol Hell

He soon became main mechanical foreman in

Štiavnice mines He was the first man

who used compressed air in his machines

His machines were used all around the world not just in mines but also in oil rigs

Jozef Karol Hell

He was born on 17th February , 1864

in Tajov and died on 11th May , 1929 in USA

1896 – he moved to USA 27th April 1905 – He made a first radio

transmission of the spoken word, so he actually invented a radio.

Jozef Murgaš

23th November , 1905 he organized a

radio communications that took place between the villages of Scranton and

Wilkes-Barre, spaced 30 km. He also invented wavemeter, electrical

transformer and Reel for fishing rod

Jozef Murgaš

One of the biggest names in

electrotechnics in 19. century Born on 11th of January, 1800

in Zemné 1828 – build small electromagnet

for his experiments with elecrticity - which is basically electric motor

He did not published his discoveryso he did not became famous

Štefan Anián Jedlík

He invented principe of electromagnetic rotations He invented many machines

(some says around 80), likeelectric dynamo, electriclocomotive, pipe lighting collector and how to makea soda water

He is author of physics textbook

Štefan Anián Jedlík

Physicist, mathematician and

inventor Jozef Maximilian Petzval is considered as the founder of modern optics. He was born in 1807 in Spišská Belá and died on 17th September, 1891 in Vienna

In 1840 he invented a photographic lens.

Jozef Maximilián Petzval 

He also proposed the concept of

projectors, telescopes, and various improvements in labor microscope.

His main contribution to modern optics was mainly the calculation of the correction optical systems.

Jozef Maximilián Petzval 

http://

www.slovenskivynalezcovia.webz.cz/index2osbnosti.htm

http://magazin.atlas.sk/techmag/najvacsie-slovenske-vynalezy/793018.html

Sources

Thank you for your

attention

Juraj olejňák & Samo Majerník 3.A