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SCHWELM & TOWLER HYDRAULICS

Overview
  • Total Patents
    16
About

SCHWELM & TOWLER HYDRAULICS has a total of 16 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Germany, United Kingdom and Netherlands. Its main competitors in its focus markets mechanical elements, materials and metallurgy and machines are KOPPEN LETHEM TRADING, HOKUTO KENKI SERVICE KK and YAMAZAKI ISAMU.

Patent filings in countries

World map showing SCHWELM & TOWLER HYDRAULICSs patent filings in countries
# Country Total Patents
#1 Germany 5
#2 United Kingdom 2
#3 Netherlands 2
#4 Austria 1
#5 Switzerland 1
#6 Denmark 1
#7 Spain 1
#8 Italy 1
#9 Norway 1
#10 Sweden 1

Patent filings per year

Chart showing SCHWELM & TOWLER HYDRAULICSs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Servomotors
#2 Shaping of plastics
#3 Casting metal

Top inventors

# Name Total Patents
#1 Scheffel Gerd Dr 3
#2 Schwelm H 2
#3 Scheffel Gerd Dr Ing 1
#4 Brettschneider Willi 1
#5 Schwelm J 1
#6 Schwelm Hans 1

Latest patents

Publication Filing date Title
DE2918393A1 Hydraulic pilot controlled multiway valve - has two valves in line with single solenoid shutting plugs alternately
DE2835771A1 ARRANGEMENT FOR CONTROLLING A CARTRIDGE ELEMENT
DE2819344A1 Safety lock for hydraulically operated pressure die casting machines - where dies cannot be closed if safety grid is open
DE2810579A1 Hydraulic pipe breakage protection equipment - has hydraulically released non-return valve between pipe and protected item
GB1512255A Hydraulic machine control
DE2423696A1 HYDRAULIC MACHINE CONTROL