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WESTARK ARMATUREN

Overview
  • Total Patents
    21
About

WESTARK ARMATUREN has a total of 21 patent applications. Its first patent ever was published in 1966. It filed its patents most often in Germany. Its main competitors in its focus markets mechanical elements and civil engineering are BUENO TECH CO LTD, OXO FAB INC and JIANGSU YONGSHANG ENERGY TECHNOLOGY CO LTD.

Patent filings in countries

World map showing WESTARK ARMATURENs patent filings in countries
# Country Total Patents
#1 Germany 21

Patent filings per year

Chart showing WESTARK ARMATURENs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Dumpelmann Wilhelm 12
#2 Dumpelmann Sen Wilhelm 5
#3 Dumpelmann Jun Wulf 4
#4 Massmann Willi 2
#5 Dumpelmann Wulf 2
#6 Lahr Guenther Dipl Ing 1
#7 Guenther Lahr Dipl-Ing 1
#8 Massmann Willi Ing Grad 1

Latest patents

Publication Filing date Title
DE3609635A1 Flat slide valve with a profiled rail to accommodate a profiled packing
DE3445479A1 Non-return flap valve with an internal spindle and a lever and weight for counterbalance control
DE3327406A1 Large fitting as a shut-off element for pipe systems in large installations with forged pipe inserts
DE3300645A1 Shut-off slide valve with a welded slide valve housing and an annular gap between the housing wall and pipe inserts
DE3113664A1 Sluice valve with a forged or sheet-metal pressed housing and welded-in liner pipes for power stations, in particular nuclear power stations
DE3034455A1 Rising spindle wedge gate valve - has back stop on spindle with labyrinth half and convex face engaging other half and cone face in cover
DE2848359A1 Parallel slide stop valve - has bearing bracket accommodating locking tube moved sideways by mechanism actuating vent valve
DE2827170A1 Double-disc wedge gate valve - has discs secured with limited freedom of movement to spindle end by transverse slotted hollow pins
DE2721083A1 LARGE FITTING AS SHUT-OFF DEVICE FOR PIPELINES, IN PARTICULAR DOUBLE-PLATE WEDGE VALVES AND / OR NON-RETURN VALVES WITH WELDED HOUSING
DE2721176A1 Power station pipe cut=off valve - has plate shaft movable freely in housing via bridge and bearing consoles extending downwards
DE2615220A1 Nuclear power plant shut-off valve - has cylindrical inserts welded to main passage transitions and strengthened guides
DE2258856A1 GATE VALVE FOR USE IN THE PROMOTION OF CORNIC MEDIA, ESPEC. GRANULES
DE2233388A1 SHUT-OFF VALVE, IN PARTICULAR IN THE SHAPE AND SHAPE OF A SHUT-OFF VALVE OR A SLIDE VALVE, AND THE SHUT-OFF VALVE MADE WITH IT
DE2142910A1 MULTI-WAY SINGLE PISTON VALVE AS CONTROL DEVICE FOR A PIG CHAMBER DESIGNED FOR LARGE PIPELINES
DE2134550A1 AXLE FLOAT FLAP AS CONTROL AND / OR SHUT-OFF DEVICE FOR PIPELINES
DE1956130A1 Double-plate parallel slide with central spring adjustment
DE1675544A1 Valve slide for sodium-cooled reactors and plants
DE1600849A1 Gate valve designed as a double-plate wedge valve with encapsulated spindle base
DE1550613A1 Sheet metal shell housing for gate valve