R. Barringer (1925–2009), Canada/U.S. – INPUT (Induced Pulse Transient) airborne electromagnetic system Earl W. Bascom (1906–1995), Canada/U.S. – rodeo bucking chute (1916 and 1919), rodeo bronc saddle (1922), rodeo bareback rigging (1924), rodeo riding chaps (1926) Nikolay Basov (1922–2001), Russia – co-inventor of laser and maser Patricia Bath (1942–2019), U.S. - inventor of laser cataract surgery Émile Baudot (1845–1903), France – Baudot code Eugen Baumann (1846–1896), Germany – PVC Trevor Baylis (1937–2018), UK – a wind-up radio Maria Beasley (1847–1904), U.S. – barrel-hooping machine, improved life raft Francis Beaufort (1774–1857), Ireland/UK – Beaufort scale, Beaufort cipher Hans Beck (1929–2009), Germany – inventor of Playmobil toys Arnold O. Beckman (1900–2004), U.S. – electric pH meter Vladimir Bekhterev (1857–1927), Russia – Bekhterev's Mixture Josip Belušić (1847–1905), Croatia – electric speedometer Alexander Graham Bell (1847–1922), UK, Canada, and U.S. – telephone Nikolay Benardos (1842–1905), Russian Empire – arc welding (specifically carbon arc welding, the first arc welding method) Ruth R. Benerito (1916–2013), U.S. – Permanent press (no-iron clothing) Miriam Benjamin (1861–1947), Washington, D.C. – Gong and signal chair (adopted by House of Representatives and precursor to flight attendant signal system) William R. Bennett Jr. (1930–2008), together with Ali Javan (1926–2016), U.S./Iran – Gas laser (Helium-Neon) Melitta Bentz (1873–1950), Germany – paper Coffee filter Karl Benz (1844–1929), Germany – the petrol-powered automobile Hans Berger (1873–1941), Germany – first human EEG and its development Friedrich Bergius (1884–1949), Germany – Bergius process (synthetic fuel from coal) Emile Berliner (1851–1929), Germany and U.S. – the disc record gramophone Tim Berners-Lee (born 1955), UK – with Robert Cailliau, the World Wide Web Marcellin Berthelot (1827–1907), France – Berthelot's reagent (chemistry) Heinrich Bertsch (1897–1981), Germany – first fully synthetic laundry detergent "Fewa" (chemistry) Charles Best (1899–1978), Canada – Insulin (chemistry) Max Bielschowsky (1869–1940), Germany – Bielschowsky stain (histology) Alfred Binet (1857–1911), France – with his student Théodore Simon (1872–1961), first practical Intelligence test Lucio Bini (1908–1964), together with Ugo Cerletti (1877–1963), Italy – Electroconvulsive therapy Gerd Binnig (born 1947), with Christoph Gerber, Calvin Quate and Heinrich Rohrer, Germany/Switzerland/U.S. – Atomic force microscope and Scanning tunneling microscope Clarence Birdseye (1886–1956), U.S. – Flash freezing László Bíró (1899–1985), Hungary – Ballpoint pen Thor Bjørklund (1889–1975), Norway – Cheese slicer J. Stuart Blackton (1875–1941), U.S. – Stop-motion film Otto Blathy (1860–1939), Hungary – co-inventor of the transformer, wattmeter, alternating current (AC) and turbogenerator John Blenkinsop (1783–1831), UK – Blenkinsop rack railway system