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FRITZ TOLKIEN DIPL ING

Overview
  • Total Patents
    15
About

FRITZ TOLKIEN DIPL ING has a total of 15 patent applications. Its first patent ever was published in 1925. It filed its patents most often in Germany. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and thermal processes are HEYWOOD CHARLES FREDERIC, RENO EMILE VICTOR and HANGZHOU XZB TECH CO LTD.

Patent filings in countries

World map showing FRITZ TOLKIEN DIPL INGs patent filings in countries
# Country Total Patents
#1 Germany 15

Patent filings per year

Chart showing FRITZ TOLKIEN DIPL INGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tolkien Dipl-Ing Fritz 4
#2 Peters Hans 1

Latest patents

Publication Filing date Title
DE1059927B Drive of flywheelless double-acting piston machines, especially pumps
DE1043346B Device for sealing the mutually movable parts of a slide control of piston steam engines
DE945028C Rodless slide control for double-acting piston engines
DE954571C Method and device for shock absorption in the pressure or suction line of piston pumps
DE671281C Shock absorbers for the pressure line of piston pumps, especially for feed lines of steam generators
DE626924C Rodless slide control for double-acting piston engines
DE543798C Rodless slide control for steam engines with filling and compression control
DE543677C Control for double-acting flywheelless piston engines
DE548209C Expansion valve control for flywheelless piston engines
DE548208C Rodless piston valve control
DE532659C Rodless slide control for steam engines
DE544625C Rodless slide control for piston engines with device for holding the control slide in intermediate positions
DE451658C Rodless slide control for piston steam engines
DE511386C Rodless slide control for piston steam engines
DE460994C Starting and reversing device for steam engines with slide control without rods