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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Switzerland | 6 | |
#2 | Germany | 2 | |
#3 | Italy | 2 | |
#4 | United States | 2 | |
#5 | Austria | 1 | |
#6 | France | 1 | |
#7 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Civil engineering | |
#3 | Machines |
# | Technology | |
---|---|---|
#1 | Building materials | |
#2 | Structural elements | |
#3 | General building constructions | |
#4 | Shaping clay |
# | 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 |
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 |