Inventor · Berlin, DE

Alexander Stein

107Patents
17h-index
72Co-inventors
89Inventor score

Filing activity: Mar 30, 1979 → Nov 17, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
USD840503S1 Faucet stream straightener General 104 Active
US5308161A Pyrometer apparatus for use in rapid thermal processing of semiconductor wafers Physics 77 Expired
US4417822A Laser radiometer Physics 51 Expired
US4647774A Pyrometer #2 Physics 49 Expired
US4708493A Apparatus for remote measurement of temperatures Physics 46 Expired
US5282017A Reflectance probe Physics 39 Expired
USD788264S1 Faucet stream straightener General 36 Active
USD605732S1 Flow regulator General 35 Expired
US5597237A Apparatus for measuring the emissivity of a semiconductor wafer Physics 34 Expired
US4647775A Pyrometer 1 Physics 26 Expired
US4611930A Pyrometer measurements in the presence of intense ambient radiation Physics 23 Expired
USD906478S1 Faucet stream straightener General 23 Active
USD684240S1 Flow regulator General 21 Active
USD603018S1 Flow regulator General 21 Expired
US8967959B2 Turbine of a turbomachine Mechanical Engineering; Lighting; Heating 20 Active
US5704712A Method for remotely measuring temperatures which utilizes a two wavelength radiometer and a computer Physics 20 Expired
USD632367S1 Faucet and showerhead stream former General 19 Expired
US9638041B2 Turbine bucket having non-axisymmetric base contour Emerging Cross-Sectional Technologies 17 Active
USD896343S1 Jet regulator General 15 Active
US9376927B2 Turbine nozzle having non-axisymmetric endwall contour (EWC) Emerging Cross-Sectional Technologies 13 Active
US4471220A System for monitoring trace gaseous ammonia concentration in flue gases Physics 12 Expired
US8205810B2 Sanitary water outlet Fixed Constructions 11 Active
USD828492S1 Jet regulator General 11 Active
USD974525S1 Faucet stream straightener General 10 Active
USD692526S1 Fluid distributor General 10 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.