Aluminum Company of America
1,323Patents
0Active
1,323Granted
48Portfolio score
Filing activity: Aug 16, 1971 → Jun 28, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5718352A | Threaded aluminum cans and methods of manufacture | Emerging Cross-Sectional Technologies | 177 | Expired |
| US6010028A | Lightweight reclosable can with attached threaded pour spout and methods of manufacture | Emerging Cross-Sectional Technologies | 153 | Expired |
| US5822843A | Method of making bottle-shaped metal cans | Emerging Cross-Sectional Technologies | 152 | Expired |
| US3984234A | Method and apparatus for circulating a molten media | Emerging Cross-Sectional Technologies | 151 | Expired |
| US3997336A | Metal scrap melting system | Emerging Cross-Sectional Technologies | 149 | Expired |
| US4286985A | Vortex melting system | Emerging Cross-Sectional Technologies | 148 | Expired |
| US4128415A | Aluminum scrap reclamation | Emerging Cross-Sectional Technologies | 146 | Expired |
| US4392888A | Metal treatment system | Chemistry; Metallurgy | 130 | Expired |
| US5713235A | Method and apparatus for die necking a metal container | Performing Operations; Transporting | 122 | Expired |
| US5104546A | Pyrogens separations by ceramic ultrafiltration | Emerging Cross-Sectional Technologies | 121 | Expired |
| US4967538A | Inwardly reformable endwall for a container and a method of packaging a product in the container | Performing Operations; Transporting | 116 | Expired |
| US5704240A | Method and apparatus for forming threads in metal containers | Performing Operations; Transporting | 113 | Expired |
| US6010026A | Assembly of aluminum can and threaded sleeve | Emerging Cross-Sectional Technologies | 106 | Expired |
| US5355710A | Method and apparatus for necking a metal container and resultant container | Performing Operations; Transporting | 101 | Expired |
| US5778723A | Method and apparatus for necking a metal container and resultant container | Performing Operations; Transporting | 100 | Expired |
| US4836398A | Inwardly reformable endwall for a container | Performing Operations; Transporting | 99 | Expired |
| US5740224A | Cone beam synthetic arrays in three-dimensional computerized tomography | Emerging Cross-Sectional Technologies | 98 | Expired |
| US4809876A | Container body having improved gas barrier properties | Emerging Cross-Sectional Technologies | 98 | Expired |
| US4235830A | Flue pressure control for tunnel kilns | Emerging Cross-Sectional Technologies | 93 | Expired |
| US5435106A | Metal reinforced mullion for windows | Emerging Cross-Sectional Technologies | 83 | Expired |
| US5647514A | Dry bulk pressure differential container with external frame support | Performing Operations; Transporting | 82 | Expired |
| US5543173A | Surface treating aluminum trihydrate powders with prehydrolized silane | Emerging Cross-Sectional Technologies | 81 | Expired |
| US5829664A | Resistance heated stir welding | Performing Operations; Transporting | 81 | Expired |
| US4031837A | Method of reforming a can end | Performing Operations; Transporting | 77 | Expired |
| US4890759A | Retortable container with easily-openable lid | Performing Operations; Transporting | 76 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.