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SCHROEDER KARL

Overview
  • Total Patents
    40
About

SCHROEDER KARL has a total of 40 patent applications. Its first patent ever was published in 1898. It filed its patents most often in German Democratic Republic, Germany and United Kingdom. Its main competitors in its focus markets civil engineering, engines, pumps and turbines and furniture and games are SCHOLES RICHARD T, TAMPER INC and COUGHLIN WILLIAM G.

Patent filings in countries

World map showing SCHROEDER KARLs patent filings in countries

Patent filings per year

Chart showing SCHROEDER KARLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schroeder Karl 39
#2 Snyder Ii Richard H 2
#3 Rethman Donald 2
#4 Minton David M 1
#5 Benkert Karl-Heinrich 1
#6 Leonhardt Friedrich 1
#7 Glosette Arland L 1
#8 Staley Gregory 1
#9 Heitkamp Brad 1
#10 Thalmann Eberhardt 1

Latest patents

Publication Filing date Title
US2013025104A1 Methods and systems for marking a cylinder head
US2013176420A1 Method for testing casting quality and apparatus therefor
CA2317935A1 Adventure challenge entertainment device and educational tool
DE4133905A1 Laminated prestressed concrete railway sleepers - resting on enclosing U=section styro-porous concrete carrier and roadways part, for high-speed travel
DE4133906A1 Combining rail and road public transport in cities - by use of prestressed concrete track with inlaid rails for common use
DD301617A9 Box formed manufactured element for railroad construction
DE4011014A1 Substructure for high speed railways - has trough-like concrete base and has flat steel sheet laid on top of base enclosing a pressurised water filled void
DD291592A5 Plate-full manufactured element for railway
DD301750A9 Tempered rail constructions for high-speed railways
DD275284A1 Tempered track construction for high-speed railways
DD273293A1 Method for tempering track constructions for high-speed railways
DD271137A1 Plate-molded structure for high-speed railways
DD255476A1 Health care based on waessrig-aethanolic medical extracts
DD230903A1 Wind power turbine for better use of the given wind threads, preferably for construction on vessel ships
DD204193A1 Process for fixing salt incolutations in guell pipes
DD207389A1 Rail construction without rail and rail foot
DD201170A1 Stabendverankerung
DD151777A2 Method for producing traffic surfaces from concrete
DD135743A1 Method and multilayer range for producing traffic surfaces of concrete
DD129671A1 Rainflow in road traffic surfaces