Learn more

FREDERICK NETTEL

Overview
  • Total Patents
    41
About

FREDERICK NETTEL has a total of 41 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and machines are SHERBONDY EARL H, WATANABE KENJI and HELLMUTH WALTER.

Patent filings in countries

World map showing FREDERICK NETTELs patent filings in countries
# Country Total Patents
#1 United States 35
#2 United Kingdom 5
#3 Germany 1

Patent filings per year

Chart showing FREDERICK NETTELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Frederick Nettel 33
#2 John Kreitner 6
#3 Johann Kreitner 4
#4 Nettel Frederick 3
#5 Tetsuichiro Nakanishi 2
#6 Johann Kreltner 1

Latest patents

Publication Filing date Title
US3448580A Peak output production in steam turbine plants
US3448581A Large steam power plant suitable for handling peak loads
US3271951A Gas turbines using solid fuels
US3199476A Apparatus and method for compound cyclone combustion of coal and other fuels
US3315372A Apparatus for uniform distribution of pebbles in heat exchangers
US3233660A Heat exchanger using special pellets of sheet metal
US3205664A Method and means for starting and stopping once-through high-pressure steam boilers
US3219105A Method and apparatus for producing superheated steam, in particular for power recovery from the exhaust of internal combustion engines
US3233659A Heat exchanger using hollow metal pellets as heat carrier
US3175953A Steam-cooled nuclear reactor power plant
US3127744A Combined steam turbine-air turbine power plants
US3108938A Power plant using a steam-cooled nuclear reactor
US2973623A Elastic fluid power plant with matrices of solid material for heat transfer and regeneration
US2973622A Elastic fluid power plant for intermittent operation
US2981198A Reciprocating variable delivery pump
US3076739A Manufacture of pulp from fibrous substances
US2846987A Reciprocating internal combustion engine
GB754214A Improvements in or relating to apparatus for processing air, gas, or vapors
US2769618A Apparatus for processing of air, gas, vapors or liquids
US2796237A Apparatus for processing air, gas or vapors