Grunzweig & Hartmann und Glasfaser AG
13Patents
0Active
13Granted
33Portfolio score
Filing activity: Sep 27, 1974 → Jun 21, 1990
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4447345A | Thermal insulating flexible ceramic containing flame hydrolysis produced microporous oxide aerogel | Emerging Cross-Sectional Technologies | 79 | Expired |
| US4363738A | Process for making a thermal insulating body | Chemistry; Metallurgy | 58 | Expired |
| US4399175A | Heat-insulating body | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4258521A | Metal foil insulation, especially for nuclear reactor installations | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4085790A | Casting method using cavityless mold | Performing Operations; Transporting | 13 | Expired |
| US4068704A | Cavityless casting mold | Performing Operations; Transporting | 13 | Expired |
| US4394337A | Thermal insulating body and a process for making the same | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4012922A | Air cooling equipment for cooling containers | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US3951376A | Mold with tensioned cable adjusting means | Performing Operations; Transporting | 3 | Expired |
| US4698086A | Apparatus for producing mineral fibres from molten silicate by blast drawing | Chemistry; Metallurgy | 3 | Expired |
| US5078932A | Method and apparatus for making a disposable casting pattern of expanded foamed beads | Performing Operations; Transporting | 2 | Expired |
| US4698085A | Apparatus for producing mineral fibres from silicate raw materials such as basalt, in particular by blast drawing | Textiles; Paper | 2 | Expired |
| US4977945A | Full mold comprised of a plastic foam material | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.