Internationella Siporex AB
7Patents
0Active
7Granted
24Portfolio score
Filing activity: Mar 28, 1977 → Dec 29, 1986
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4108933A | Method of manufacturing steam-cured porous concrete products | Performing Operations; Transporting | 11 | Expired |
| US4528883A | Apparatus for dividing aerated concrete blocks | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4778527A | Anti-corrosive composition for iron and steel surfaces and the use thereof for protecting the reinforcing steel bars of autoclaved light-weight concrete | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4174936A | Apparatus for manufacturing cellular lightweight concrete products | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4202228A | Method of cutting slabs from a body of uncured, light-weight concrete and an apparatus for carrying out the method | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4197077A | Apparatus for use in manufacturing of cellular lightweight concrete slabs | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4619173A | Method and apparatus for lifting pieces of material | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.