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FREI SIEGFRIED

Overview
  • Total Patents
    62
About

FREI SIEGFRIED has a total of 62 patent applications. Its first patent ever was published in 1978. It filed its patents most often in EPO (European Patent Office), Switzerland and Germany. Its main competitors in its focus markets machine tools, machines and surface technology and coating are MERCOL PRODUCTS LTD, DJS & T LP and JORSON PACKAGING MACHINERY CO LTD.

Patent filings in countries

World map showing FREI SIEGFRIEDs patent filings in countries

Patent filings per year

Chart showing FREI SIEGFRIEDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Frei Siegfried 54
#2 Hohl Ernst 8
#3 Steiger Walo 6
#4 Carniello Ernst 5
#5 Kengelbacher Peter 3
#6 Freid Siegfried 1
#7 Siegfried Frei 1
#8 Schafer Daniel 1
#9 Opprecht Paul 1

Latest patents

Publication Filing date Title
EP0911094A2 Apparatus for positioning sheet metal blanks
EP0852987A1 Roller head for resistance roller seam welding machine
EP0806370A1 Cask
CH691668A5 A method for cleaning strip-shaped copper wire and a device for cleaning strip-shaped copper wire.
CH689186A5 Of an aluminum foil of existing tear-open lid on a container and method for preparing a pull-tab.
CH688933A5 Tin without ring pull opening to hold various products, e.g. food
DE4403022A1 Method and device for applying powder coating in a powder coating installation
EP0560713A2 Method for the production of hot air and burner for the combustion of gaseous fuels
EP0559608A2 Process and device for controlling the emission current in a powder coating installation
EP0560710A2 Gasburner
CH686560A5 Lacquer coating of can body weld seam
CH686559A5 Method and device for applying lacquer to the welded seam of tubular Korpern.
EP0528755A1 Device for sucking up powders
CH684077A5 Barrel with body having attached base and detachable cover
CH684430A5 Arrangement with a water turbine
EP0438976A2 Method and device for controlling powder flow in a powder coating installation
EP0433235A1 Method of forming scoring lines on tear strips and easy to open can ends as well as method of making a start fracture on a tear strip and a can made by this method
DE3809997A1 Method and device for monitoring the flow of powder and use for monitoring the application on a welding seam
CH673787A5 Flux powder spray head - for welded seams of cams having lateral sealing lips
CH673075A5 Device for recovering heat from manure - has manure container lowered in insulated pit with brine circulating probes penetrating contents