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RIWISA AG

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    235,464
About

RIWISA AG has a total of 33 patent applications. Its first patent ever was published in 1958. It filed its patents most often in Switzerland, EPO (European Patent Office) and Germany. Its main competitors in its focus markets machines, packaging and shipping and surface technology and coating are ELBATAINER KUNSTSTOFF, LOMOLD CORP NV and HEDWIN CORP.

Patent filings per year

Chart showing RIWISA AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huber Roland 8
#2 Zeno Wehrli 8
#3 Zangerle Wolfgang 7
#4 Seelhofer Fritz 4
#5 Wehrli Zeno 1
#6 Kaegi Rene 1
#7 Richner Gerold 1
#8 Alfred Matti 1
#9 De Trey Andre Dipl-Ing Chem 1

Latest patents

Publication Filing date Title
EP2679343A1 Plastic screw or screw attachment with torque limiter
WO2008087553A1 Labyrinth capsule for drink powder
WO2007076620A2 Drinks tin with drinks spout
EP1922261A1 Gas-tight spout closure with opening device
CH694050A5 Beverage can.
CH683610A5 Method of multiple attachment for deep drawn plastics tubs - involves welding or gluing single tubs, each having upper side edge, tongue with edge rim and is printed or has label attached
EP0427986A1 Liquid pump
US5018435A Fluid cell arrangement for compressed air motors
CH593786A5 Continuously cleaned filter for extrusion moulder - rotates eccentrically to main feed passage and is cleaned by reverse flow
DE2418664A1 DEVICE FOR TREATMENT OF THE SURFACE OF PLASTIC CONSTRUCTIONS, IN PARTICULAR OF FILMS AND TAPES MADE OF POLYAETHYLENE
FR2223955A7 Wall mounted dispenser for disposable towels etc. - has deep cover, embodying towel outlet, hinged at base for opening
DE2140592A1 Extruder head - with central core mounted on conical surfaces and connecting channel running in straight line to extrusion slit
CH534574A Blast extrusion plant - for plastic foil tubing with blast air regulation system
CH521218A Tube blowing - with water cooling jets on outer surface reducing cooling distance