Learn more

STEPHAN LOFFLER

Overview
  • Total Patents
    18
About

STEPHAN LOFFLER has a total of 18 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets thermal processes, engines, pumps and turbines and measurement are STEPHAN LOEFFLER, GEORGE ERNST and OFELDT ERNEST G.

Patent filings in countries

World map showing STEPHAN LOFFLERs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 United States 8
#3 France 1

Patent filings per year

Chart showing STEPHAN LOFFLERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stephan Loffler 8
#2 Loffler Stephan 1

Latest patents

Publication Filing date Title
GB290779A Method of operating steam power plants having high-pressure boilers
GB259619A Improvements in or relating to the automatic regulation of steam generating installations
US1707125A High-pressure slide valve
US1652026A Pumping plant for high-pressure steam generators
US1746158A Heating device for high-pressure steam generators
GB239223A Improvements in apparatus for measuring the quantities of fluid and gaseous currents
GB237279A Improvements in or relating to liquid level indicators for high pressure steam boilers and like liquid containers
US1658449A Fluid-level indicator for high-pressure vessels or containers
GB234839A Improvements in liquid-level indicators and regulators for high-pressure receptaclessuch as high-pressure steam boilers
US1683362A Fluid-level indicator and leading-in arrangement for electrodes in hot high-pressurerooms
GB232211A A method of manufacturing high pressure boilers
US1736610A Method of manufacturing high-pressure boilers
US1740254A Method and apparatus for generating steam, especially high-pressure steam
US1501124A Device for indicating the level of liquid in high-pressure vessels
GB146442A Improvements in float chambers for use with the vapourisers or carburettors of internal combustion engines
GB146446A Fuel supply system for internal combustion engines
GB146395A Improved carburettor for internal combustion engines