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INTERNATIONELLA SIPOREX AB
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STOCKHOLM, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Anti-corrosive composition for iron and steel surfaces and the use...
Patent number
4,778,527
Issue date
Oct 18, 1988
Internationella Siporex AB
Takahisa Ikunaga
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method and apparatus for lifting pieces of material
Patent number
4,619,173
Issue date
Oct 28, 1986
Internationella Siporex AB
Rolf E. Goransson
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Apparatus for dividing aerated concrete blocks
Patent number
4,528,883
Issue date
Jul 16, 1985
Internationella Siporex AB
Rolf E. Goransson
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method of cutting slabs from a body of uncured, light-weight concre...
Patent number
4,202,228
Issue date
May 13, 1980
Internationella Siporex AB
Rolf E. Goransson
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Apparatus for use in manufacturing of cellular lightweight concrete...
Patent number
4,197,077
Issue date
Apr 8, 1980
Internationella Siporex AB
Oystein Kalvenes
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Apparatus for manufacturing cellular lightweight concrete products
Patent number
4,174,936
Issue date
Nov 20, 1979
Internationella Siporex AB
Rolf E. Goransson
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method of manufacturing steam-cured porous concrete products
Patent number
4,108,933
Issue date
Aug 22, 1978
Internationella Siporex AB
Rolf Erik Goransson
B28 - WORKING CEMENT, CLAY, OR STONE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
72040174 - ZEPREX
Serial number
72040174
Registration number
667931
Filing date
Nov 6, 1957
INTERNATIONELLA SIPOREX, AB
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
71680827 - SIPOREX
Serial number
71680827
Registration number
624746
Filing date
Jan 31, 1955
UNITED STATES PLYWOOD CORPORATION
19 - Building materials (non-metallic)