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IHC HOLLAND NV

Overview
  • Total Patents
    717
About

IHC HOLLAND NV has a total of 717 patent applications. Its first patent ever was published in 1967. It filed its patents most often in Netherlands, United States and United Kingdom. Its main competitors in its focus markets civil engineering, transport and mechanical elements are NEDERLANDSE OFFSHORE CO, MANITOWOC SHIPBUILDING INC and LOBNITZ & COMPANY LTD.

Patent filings per year

Chart showing IHC HOLLAND NVs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Visser Teunis 26
#2 Verboom Pieter 17
#3 Arentsen Dik 13
#4 Van Den Elshout Johannes 10
#5 Jager Arie De 8
#6 Van Heijst W 8
#7 Elshout Johannes Van Den 7
#8 Cornelis Christiaan A 6
#9 Van Zutphen A 6
#10 Pot Hendrik 5

Latest patents

Publication Filing date Title
CN1766240A Cutting member of mud digging system
NL1026041C2 Sealing construction for a centrifugal pump.
NL1025959C2 Sealing construction.
NL1025033C1 Seal for sliding valve used in e.g. pipes for transporting dredging sludge, has wear resistant rings held inside resilient cylinder connected to nose ring
NL1025032C2 Tool, such as a dredging tool, for installation on a submerged soil.
NL1024889C1 Threaded connection in particular between a shaft and a component to be mounted thereon.
NL1024018C2 Device for resiliently supporting that part of a spud-pile carriage in which a spud-pile can be received.
NL1023796C2 Sealing system for sealing a propeller shaft case with a propeller shaft extending therethrough.
NL1023698C1 Overflow system for load compartment in dredger boat, has flow resistance generating means provided in channel between collector tube and inner tube
NL1023486C1 Method for connecting an elongated element, such as a rail, to a substrate by welding.
NL1021761C2 Bulkhead passage for passing an axis through a watertight bulkhead.
NL1020618C2 De-clamping ring system for use with a shaft and a threaded part, such as a pump impeller.
NL1019902C2 Method and device for classified suction of soil material.
AU2002214412B2 Autogenous rotor
NL1019027C2 Device for maintaining excess pressure in a reservoir filled with liquid.
NL1016540C1 Hoisting equipment on a vessel for lifting loads on board, such as, for example, the suction pipe of a suction dredging vessel.
NL1015772C2 Assembly of a tooth and an adapter for a soil tillage machine, such as a cutter or the like.
NL1014301C1 Dredger pump has slipping mechanism to prevent shock of impeller stoppage from damaging drive shaft
NL1012940A1 Overpressure maintaining device for liquid reservoir, especially for oil in electric pump motor, comprises foot and spring loaded cap joined by flexible membrane
NL1012801A1 Bulkhead lead-through, such as in particular for passing a propeller shaft through a watertight bulkhead.