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ALFMEIER WALTER GMBH & CO

Overview
  • Total Patents
    26
About

ALFMEIER WALTER GMBH & CO has a total of 26 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Germany, EPO (European Patent Office) and France. Its main competitors in its focus markets transport, mechanical elements and engines, pumps and turbines are KAYSER A GMBH & CO KG, ALFMEIER PRAEZISION AG and MTM MECCANICA TECNICA MODERNA.

Patent filings in countries

World map showing ALFMEIER WALTER GMBH & COs patent filings in countries
# Country Total Patents
#1 Germany 15
#2 EPO (European Patent Office) 4
#3 France 2
#4 United Kingdom 2
#5 Italy 2
#6 United States 1

Patent filings per year

Chart showing ALFMEIER WALTER GMBH & COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hofmann Heinz 8
#2 Simon Dieter 6
#3 Heimbrodt Klaus-J 4
#4 Weil Manfred 2
#5 Theuer Thomas 2
#6 Sauer Detlev 2
#7 Maier Josef 2
#8 Hofmann Heinz A 2
#9 Bigalke Manfred 1
#10 Auernhammer Helmut 1

Latest patents

Publication Filing date Title
DE19738198A1 Method and device for monitoring and controlling a container system
DE19650259A1 Non-return valve designed to avoid freezing up
EP0728937A1 Fuel feeding device
US5740842A Venting device for vehicle fuel tanks
DE19541723A1 Tank withdrawal device
DE3825418A1 Fuel filler neck
DE3822789A1 Automatic throttle valve for limiting volume flow
DE3820983A1 Central door locking device for vehicles
DE3705060C1 Vacuum distribution box
EP0170007A2 Check valve
EP0155358A1 Container closure device
DE3105041A1 CHECK VALVE FOR USE IN MOTOR VEHICLE VACUUM SYSTEMS
EP0027970A1 Closure device, especially for fluid containers in motor vehicles
DE3035194A1 Monitoring injection machine cycles - by electronic timing circuit giving detailed output indications permitting correct adjustments
DE3023935A1 Generator for vehicle fuel flowmeter - has hollow cylindrical housing with generator servo piston, slidable between closing and flow position
DE3002986A1 Centralised door-locking system for vehicle - has control circuit coupled to door switches and to relay controlling motor
DE2832568A1 Rotary-piston pump with eccentric piston drive shaft - has piston and sealing ribs integrally moulded pref. from elastic polyurethane, with piston casing injection-moulded from polyamide
DE2831634A1 Central door locking mechanism - is used in motor vehicles and has pneumatic actuator with reversible electric motor driven compressor
DE2711387A1 Springless valve for vehicle windscreen wiper system - has bell shaped flexible valve body with separation cage on outlet
DE2701940A1 COMPONENTS FOR VACUUM NON-RETURN VALVES