''See this:'' .
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- Nils Alwall , (1904-1986), Sweden — the dialysis machine
- Archimedes , (circa 287 BC-212 BC), Greece
- Manfred Von Ardenne , (1907-1997), Germany
- William George Armstrong , (1810-1900), England — Hydraulic Crane
- Joseph Aspdin , (1788–1855), England — Portland Cement
- John Vincent Atanasoff , (1903-1995), Bulgaria — modern computer
- Charles Babbage , (1791-1871), England — Analytical Engine
- Leo Baekeland , (1863-1944), Belgian – American — Velox photographic paper and Bakelite
- Ralph Baer , (1922-), German born American — the home video game console
- John Logie Baird , (1888-1946), Scotland — a working Television
- John Bardeen , (1908-1991), USA — co-inventor of the Transistor
- Trevor Baylis , (1937-), England — a wind-up Radio
- Donát Bánki , (1859-1922), Hungary — inventor of the Carburetor
- Arnold O. Beckman , (1900-2004), USA — PH meter
- Alexander Graham Bell , (1847-1922), Canada — Telephone
- Karl Benz , (1844–1929), Germany — the petrol-powered Automobile
- Emile Berliner , (1851-1929), Germany and USA — the disc record Gramophone
- Tim Berners-Lee , (1955-), England — with Robert Cailliau , the World Wide Web
- Bi Sheng , (?-1052), China — primitive movable Printing types
- Lászlo Bíró , (1899-1985), Hungary — modern Ballpoint Pen
- Ottó Bláthy (1860-1939), Hungary — co-inventor of the Transformer , Wattmeter , Alternating Current (AC) and Turbogenerator
- Katherine Blodgett , (1898-1979), England — nonreflective Glass
- Claudio Artemio Blotta , (1936-), Argentina — cutting circle device for pastry.
- Nils Bohlin , (1920-2002), Sweden — the three-point Seat Belt
- János Bolyai (1802-1860), Hungary — discoverer of Non-Euclidean Geometry
- Joseph-Armand Bombardier , (1907-1964), Canada — Snowmobile
- Seth Boyden , (1788-1870), USA — nail-making machine
- Walter Houser Brattain , (1902-1987), USA — co-inventor of the Transistor
- Louis Braille , (1809-1852), France — the Braille writing system
- Karl Ferdinand Braun , (1850-1918), Germany — Cathode-ray Tube Oscilloscope
- Imre Bródy , (1891-1944), Hungary — co-inventor of krypton-filled Fluorescent Lamps
- Edwin Beard Budding , (1795-1846), England — Lawnmower
- Roger Bacon , (1214-1292), England — magnifying glass
- Cài Lún , (c. AD 50—121), China — paper
- Marvin Camras , (1916 - 1995), USA — magnetic recording
- Chester Carlson , (1906-1968), USA — electrophotography
- Wallace Carothers , (1896-1937), USA — Nylon
- Adrian Chernoff , (1971-), USA — Hy-wire , Rubber Bandits
- Samuel Hunter Christie , (1784-1865), England — Wheatstone Bridge
- Christopher Cockerell , (1910-1999), England — Hovercraft
- Jacques Cousteau , (1910–1997), France — co-inventor of the Aqualung
- Holger Crafoord , (1908-1982), Sweden — inventor of the Artificial Kidney
- János Csonka , (1852-1939), Hungary — co-inventor of Carburetor
- Nicolas-Joseph Cugnot , (1725-1804), France — Automobile
- Juan De La Cierva , (1895-1936), Spain — the Autogyro
- Richard Cinque , (1960-), USA — Sock Clip, Plate Caddy
- William Cullen , (1710-1790), Scotland — first artificial refrigerator
- Gustaf Dalén , (1869-1937), Sweden — invented the AGA Lighthouse
- Salvino D'Armate , Italy — credited for inventing Eyeglasses in 1284
- Joseph Day , (1855-1946), England — The Crankcase Compression Two Stroke Engine
- Lee DeForest , (1873-1961), USA — Triode
- Sir James Dewar , (1842-1923), Scotland — Thermos Flask
- Miksa Déri (1854-1938), Hungary — co-inventor of Transformer
- William Kennedy Laurie Dickson , (1860-1935), Scotland — motion picture camera
- Rudolf Diesel , (1858-1913), Germany — Diesel Engine
- Karl Drais , (1785-1851), Germany — Bicycle ( Draisine )
- Cornelius Drebbel , (1572-1633), The Netherlands — first navigable submarine
- Richard Drew , (1899-1980), USA — Scotch (or cellophane) tape
- George Eastman , (1854-1932), USA — roll film
- Thomas Edison , (1847-1931), USA — Phonograph , commercially practical light bulb, Motion Picture projector, stock ticker
- Willem Einthoven , (1860-1927), The Netherlands — the Electrocardiogram
- Douglas Engelbart , (1925-), USA — the Computer Mouse {Link without Title}
- Rune Elmqvist , (1857-1924), Sweden — implantable pacemaker
- John Ericsson , (1803-1889), Sweden — the two screw-propeller
- Lars Magnus Ericsson , (1846-1926), Sweden — the handheld micro telephone
- Philo Farnsworth , (1906-1971), USA — Vacuum Tube Television display
- James Fergason , (1934-), USA — improved Liquid Crystal Display
- Reginald Fessenden , (1866-1932), Canada — two-way Radio
- Adolf Eugen Fick , (1829-1901), Germany — Contact Lens
- Alexander Fleming , (1881–1955), England — Penicillin
- John Ambrose Fleming , (1848-1945), England — vacuum diode
- Albert Fonó , (1881-1972), Hungary — jet propulsion engine
- Benjamin Franklin , (1706-1790), USA — the Pointed Lightning Rod Conductor , Bifocals
- William Friese-Greene , (1855-1921), England — Cinematography
- Buckminster Fuller , (1895-1983), USA — Geodesic Dome
- Dennis Gabor , (1900-1979), Hungary — Holography
- Robert Goddard , (1882-1945), USA — liquid fuel rocket
- Heinrich Göbel , (1818-1893), Germany — first functional incandescent lamp
- Peter Carl Goldmark , (1906-1977), Hungary — Vinyl Record (LP)
- Gordon Gould , (1920-2005), USA — Laser
- Richard Hall Gower , (1768-1833), England — Ship's Hull And Rigging
- Bette Nesmith Graham , (1924-1980), USA — Liquid Paper
- Chester Greenwood , (1858-1937), USA — Thermal Earmuffs
- James Gregory , (1638-1675), Scotland — Reflecting Telescope
- William Robert Grove , (1811–1896), Wales — Fuel Cell
- Otto Von Guericke , (1602-1686), Germany — Vacuum Pump
- Johann Gutenberg , (circa 1390s-1468), Germany — modern movable type Printing Press
- John Hadley , (1682-1744), England — the sextant
- James Hargreaves , (1720-1778), England — invented the Spinning Jenny
- John Harrison , (1693-1776), England — marine chronometer
- Victor Hasselblad , (1906-1978), Sweden — invented the 6 x 6 cm Single-lens Reflex Camera
- Rudolf Hell , (1901-2002), Germany — the Hellschreiber
- Avram Hershko , (1937-), Hungary — Ubiquitin
- Jozef Karol Hell , (1713-1789), Slovakia — the water pillar
- Joseph Henry , (1797-1898), USA — electromagnetic Relay
- George De Hevesy , (1885-1966), Hungary — Radioactive Tracer
- Erna Schneider Hoover , (1926-), USA — computerized telephone switching system
- Frank Hornby , (1863-1936), England — invented Meccano
- Jan Janský , (1873-1921), Czechoslovakia — discoverer of Blood Types
- Karl Jatho , (1873-1933), Germany — Airplane
- György Jendrassik , (1898-1954), Hungary — Turboprop
- Carl Edvard Johansson , (1864-1943), Sweden — gage block sets
- Johan Petter Johansson , (1853-1943), Sweden — the Pipe Wrench and the modern Adjustable Spanner
- Nancy Johnson , USA — American version of the hand cranked ice cream machine in ( 1843 )
- Dean Kamen , (1951-), USA — Invented the Segway HT scooter and the IBOT Mobility Device
- John George Kemeny , (1926-1992), Hungary — co-inventor of BASIC
- Charles F. Kettering , (1876-1958), USA — invented automobile self-starter ignition, Freon Ethyl Gasoline and more
- Jack Kilby , (1923-2005), USA — patented the first Integrated Circuit
- Fritz Klatte , (1880-1934), Germany — vinyl chloride, forerunner to Polyvinyl Chloride
- Margaret Knight , (1838-1914), USA — machine that completely constructs box-bottom brown paper bags
- Ivan Knunyants , (1906-1990), Ukraine — invented Nylon -6
- Gleb Kotelnikov , (1872-1944), Russia — Knapsack Parachute
- Stephanie Kwolek , (1923-), USA — Kevlar
- Hedy Lamarr , (1913-2000), Austria and USA — Spread Spectrum
- Edwin H. Land , (1909-1991), USA — Polaroid polarizing filters and the Land Camera
- Håkan Lans , (1942-), Sweden — STDMA datalink (Self organising Time Division Multiple Access), colour computer graphics
- Irving Langmuir , (1851-1957), USA — gas filled incandescent lamp, hydrogen welding
- Lewis Latimer , (1848-1928), — worked with Thomas Edison and patented an improved lightbulb manufacturing process
- Gustav De Laval , (1845-1913), Sweden — invented the milk separator and the milking machine
- Sergei Vasiljevich Lebedev , (1874-1934), Russia — Synthetic Rubber
- Tim Berners-Lee , (1955-) England — World Wide Web
- Leonardo Da Vinci , (1452-1519), Italy
- Justus Von Liebig , (1803-1873), Germany — nitrogen-based Fertilizer
- Frans Wilhelm Lindqvist , (1862-1931), Sweden — Kerosene stove operated by compressed air
- Ivan Lupis-Vukić , (1813-1875), Croatia — self-propelled Torpedo
- Guglielmo Marconi , (1874-1937), Italy — Radio
- Elijah McCoy , (1844-1929), USA — automatic lubricator for oiling steam engines
- Antonio Meucci , (1808-1896), Italy — the Telephone
- Narcis Monturiol I Estarriol , (1819-1885), Spain — steam powered Submarine
- Robert Moog , (1934-2005), USA — the Moog Synthesizer
- Montgolfier brothers, (1740-1810) and (1745-1799), France — hot-air balloon
- Samuel Morey , (1762-1843), USA — internal combustion engine
- Garrett A. Morgan , (1877-1963), USA — inventor of the Gas Mask , and Traffic Signal .
- Samuel Morse , (1791-1872), USA — telegraph
- Jozef Murgaš , (1864-1929), Slovakia — inventor of the Wireless Telegraph (forerunner of the radio).
Nancy Johnson, USA-inventor of the American versoin of the hand cranked ice cream machine in 1843.
- Alfred Nobel , (1833-1896), Sweden — Dynamite
- Jun-Ichi Nishizawa , (1926-), Japan — Optical Communication system, SIT/SITh (Static Induction Transistor/Thyristor) , Laser Diode , PIN Diode
- John Von Neumann (János Neumann), (1903-1957), Hungary — Von Neumann Computer Architecture
- Isaac Newton ,(1642-1727), England — reflecting telescope (which reduces Chromatic Aberration )
- Carl Rickard Nyberg , (1858-1939), Sweden — the Blowtorch
- Helge Palmcrantz , (1842-1880), Sweden — the multi-barrel, lever-actuated, Machine Gun
- Spede Pasanen , (1930-2001), Finland — The Ski Jumping Sling
- Slavoljub Eduard Penkala , (1871-1922), Croatia — Ball Point Pen
- Gustaf Erik Pasch , (1788-1862), Sweden — the safety match
- Henry Perky , (1843-1906), USA — Shredded Wheat
- Peter Petroff , (1919-2004), Bulgaria — digital wrist watch, heart monitor, weather instruments
- Christopher Polhem , (1661-1751), Sweden — the modern Padlock
- Olivia Poole , (1889-1975), USA , White Earth Indian Reserve — the Jolly Jumper baby harness
- Baltzar Von Platen , (1898-1984), Sweden — Refrigerator
- Mihajlo Pupin , (1858–1935), Serbia — Pupinisation , tunable oscillator, Pupin coil
- Tivadar Puskás , (1844-1893), Hungary — Telephone Exchange
- Hassan Kamel Al-Sabbah , (1895-1935), Lebanon — Solar Power , cathode ray tube
- Augustus Siebe , (1788-1872), Saxony & England Inventor of the Standard Diving Dress
- Alberto Santos-Dumont , (1873-1932), Brazil — Non-rigid Airship and Airplane
- Isidor Sauers , ( 1948 - ), inventor of a process for measuring the degradation of SF6 in high-voltage systems
- Adolphe Sax , (1814-1894), Belgium — Saxophone
- August Schrader , USA — Schrader Valve for Pneumatic Tire
- David Schwarz , (1852-1897), Croatia , — rigid ship, later called Zeppelin
- Béla Schick , (1877-1967), Hungary — Diphtheria Test
- William Bradford Shockley , (1910-1989), USA — co-inventor of Transistor
- Werner Von Siemens , (1816-1892), Germany — an electromechanical "dynamic"
- Sir William Siemens , (1823-1883), Germany — regenerative furnace
- Igor Sikorsky , (1889-1972), Ukraine — Helicopter
- Charles Simonyi , (1948-), Hungary — Hungarian Notation
- Aurel Stodola , (1859-1942), Slovakia – Gas Turbines
- Elmer Ambrose Sperry , (1860–1930), USA — gyroscope-guided Automatic Pilot
- Levi Strauss , (1829-1902), USA — blue Jeans
- John Stringfellow , (1799-1883), England — Airplane
- Almon Strowger , (1839-1902), USA — Automatic Telephone Exchange
- Simon Sunatori , (1959-), Canada — inventor of Sunatori Pen
- Joseph Swan , (1828-1914), England — inventor, physicist
- Albert Szent-Györgyi , (1893-1986), Hungary — discoverer of Vitamin C
- Edward Teller (Ede Teller), (1908-2003), Hungary — Hydrogen Bomb
- Nikola Tesla , (1856-1943), Serbian - Croatia n- American Tesla Coil — inventor of the Induction Motor , Alternating Current Polyphase power distribution system, Wireless Communication , Robot ics, Logic Gate s, the Bladeless Turbine , radio and VTOL Aircraft
- Kálmán Tihanyi , (1897-1947), Hungary — co-inventor of Cathode Ray Tube and Iconoscope
- Benjamin Chew Tilghman , (1821-), USA — Sandblasting
- Leonardo Torres Y Quevedo , (1852-1936), Spain
- Alfred Traeger , (1895-1980), Australia — the pedal radio
- Franc Trkman , (1903-1978), Slovenia — electrical switches, accessories for opening windows
- Alan Turing , (1912-1954), England — the Turing Machine
- Erik Wallenberg , (1915–1999), Sweden — invented the Tetra Pak
- Barnes Wallis , (1887-1979), England — Bouncing Bomb
- Ghulam Sediq Wardak , (1942-), Afghanistan — 341 unpatented inventions
- Robert Watson-Watt , (1892-1973), Scotland — microwave Radar
- Jonas Wenström , (1855-93), Sweden — the three-phase electrical system
- George Westinghouse , (1846-1914), USA — Air Brake
- Charles Wheatstone , (1802-1875), England — Concertina , Stereoscope , Microphone , Playfair Cipher
- Eli Whitney , (1765-1825), USA — the Cotton Gin
- Frank Whittle , (1907-1996), England — co-inventor of the Jet Engine
- Otto Wichterle , (1913-1989), Czechoslovakia — invented modern Contact Lenses
- Paul Winchell , (1922-2005), USA — the Artificial Heart
- Sven Wingquist , (1876-1953), Sweden — Self-aligning ball bearing
- A. Baldwin Wood , (1879-1956), USA — inventor & engineer
- Granville Woods , (1856-1910), USA — the Synchronous Multiplex Railway Telegraph
- The Wright Brothers , Orville Wright, (1871-1948) and Wilbur Wright, (1867-1912), USA — Aeroplane
- Arthur Wynne , (1862-1945), England — Crossword Puzzle
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