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KELLER HOLDING AG

Overview
  • Total Patents
    15
About

KELLER HOLDING AG has a total of 15 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Switzerland, Germany and Italy. Its main competitors in its focus markets materials and metallurgy, civil engineering and machines are SOC INDUSTRIAL PIZARRENO, SHANDONG HEYUE ECOLOGICAL NEW MATERIAL TECH CO LTD and YE HUOYAO.

Patent filings in countries

World map showing KELLER HOLDING AGs patent filings in countries

Patent filings per year

Chart showing KELLER HOLDING AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Suetterlin Dieter 8
#2 Walt Hans 4
#3 Sporkenbach Gustav-Adolf 3
#4 Waelchli Ernst 2
#5 Haemmerli Fritz 2
#6 Sporkenbach Gustav Adolf 2
#7 Meierling Eth Willy Dipl Ing 1
#8 Haemmerli Fritz Dr 1
#9 Winkler Ernst 1
#10 Walchli Ernst 1

Latest patents

Publication Filing date Title
US4604255A Method for fabricating molded bodies formed at least partially of swelled clay material and apparatus for the performance of the method
CH655895A5 Method and device for making a light structural element from blown clay material
CH652436A5 Method and furnace for producing a lightweight element, in particular a cladding panel.
CH645329A5 POTTERY with porous body AND METHOD FOR THE PRODUCTION, AND IN PARTICULAR THE PRODUCTION OF PRODUCTS ZIEGELEI.
CH634772A5 Process for producing mouldings formed at least partially from expanded clay material and an installation for carrying out the process
CH613011A5 Shell-type masonry structure
CH613487A5 Lightweight structural element consisting of expanded clay material, process for the production of the lightweight structural element and means for carrying out the process