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STELLRAM SA

Overview
  • Total Patents
    113
About

STELLRAM SA has a total of 113 patent applications. Its first patent ever was published in 1970. It filed its patents most often in Switzerland, EPO (European Patent Office) and United States. Its main competitors in its focus markets machine tools, machines and surface technology and coating are WIDIA GMBH, SECO TOOLS AB and KENNAMETAL INC.

Patent filings in countries

World map showing STELLRAM SAs patent filings in countries

Patent filings per year

Chart showing STELLRAM SAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hauser Charles 20
#2 Gehri Hermann 16
#3 Raye Pierre 11
#4 Aebi Gilbert 10
#5 Jaquiery Henri 9
#6 Grunsky Manfred 9
#7 Bonjour Christian 9
#8 Gonseth Denis R 7
#9 Marianneau Michel Emile Alcide 4
#10 David Maurice Jean Armand 4

Latest patents

Publication Filing date Title
CH690025A5 Machining tool with detachable cutting inserts.
CH688794A5 Rotary cutting tool with detachable teeth
CH686345A5 Axial or radial cutting tool
CH685680A5 Rotary or other cutting tool with interchangeable blade inserts
EP0307840A1 Helical milling cutter with exchangeable cutting insert carriers
EP0298285A1 Milling cutter with replaceable cutting inserts
EP0298151A2 Composite material with a great toughness
CH667407A5 Strawberry with removable cutting inserts.
CH663558A5 Milling machine for machining t-grooves
US4574011A Sintered alloy based on carbides
CH646078A5 Device for fixing a cutting insert on a tool holder.
CH645560A5 Cutting tool.
CH647813A5 Article made of sintered metal-ceramic and process for its manufacture
CH647812A5 Article made of sintered hard metal
CH647556A5 Wear part in refractory material.
CH648010A5 Wear component made of refractory material
CH642291A5 Drilling-drilling.
CH643166A5 Article made from ceramics or sintered metal-ceramics
CH642884A5 Cutting insert for machining by chip removal.
CH642883A5 Cutting insert for machining by chip removal.