Learn more

HAUFF WERNER

Overview
  • Total Patents
    80
About

HAUFF WERNER has a total of 80 patent applications. Its first patent ever was published in 1976. It filed its patents most often in EPO (European Patent Office), Germany and Canada. Its main competitors in its focus markets electrical machinery and energy, mechanical elements and civil engineering are FLEXA GMBH & CO KG, D LINE EUROPE LTD and ROKSTEK AB.

Patent filings per year

Chart showing HAUFF WERNERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hauff Werner 65
#2 Gauland Gerhard 3
#3 Seifried Ernst 3
#4 Kries Werner 3
#5 Berunaa Haufu 1

Latest patents

Publication Filing date Title
EP0784178A1 Protective pipe sealing device
DE19607085C1 Shrink wrap sleeve for pipe
DE19603914C1 Device for sealing a protective tube
DE19534484C1 Wall through-hole fitting for cable or pipe with clamping ring
DE19505575C1 Protective pipe fitting through hole in wall for conveying cables etc.
EP0681135A2 Device for the passage of conduits through an opening in a wall.
EP0681134A1 Device for lines pass through an opening of wall
DE4337565C1 Device for leading lines through a wall opening
DE4316967C1 Cable or pipe entrance for opening in fire-resistant wall
EP0575747A1 Smoke passage cut-off device in a conduit lead-through installation
EP0538567A2 Fire barrier device through a wall opening for the penetration of conduits
EP0532884A1 Locking device against smoke lead-through at a device for the passage of conduits through a wall
EP0532889A2 Fire barrier device through a wall opening for the penetration of conduits
EP0532888A2 Fire barrier device through a wall opening for the penetration of conduits
EP0532886A1 Fire barrier device through a wall opening for the penetration of conduits
EP0532887A2 Fire barrier device through a wall opening for the penetration of conduits
EP0532885A1 Fire barrier device through a wall opening for the penetration of conduits
EP0532882A1 Fire barrier device through a wall opening for the penetration of conduits
DE3525644C1 Arrangement for fire monitoring in a building
EP0177518A1 Sealing joint for a lead-through for at least one line through a wall opening.