Albert Obrist AG
20Patents
0Active
20Granted
32Portfolio score
Filing activity: Apr 8, 1975 → Jul 14, 1983
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4171749A | Pourer closure | Performing Operations; Transporting | 46 | Expired |
| US4489845A | Screw-cap for container | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4033472A | Closure for containers | Performing Operations; Transporting | 40 | Expired |
| US4016996A | Container with screw cap and seal | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4155698A | Method and apparatus for injection molding of plastic closures | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4252248A | Container with cover of plastics material | Performing Operations; Transporting | 31 | Expired |
| US4253581A | Container with screw cap | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4345692A | Closure cap for a container | Performing Operations; Transporting | 24 | Expired |
| US4046282A | Molded plastic covers for containers | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4364218A | Closure apparatus incorporating a magnetic clutch for screwing-on a plastic screw closure | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US3987921A | Closure for containers | Performing Operations; Transporting | 20 | Expired |
| US4111322A | Synthetic plastic cap for bottles | Performing Operations; Transporting | 17 | Expired |
| US4480761A | Tamper indicating closure for a container | Performing Operations; Transporting | 14 | Expired |
| US4492068A | Closure apparatus with magnetic coupling for screwing on a plastics screw closure | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| USD256672S | Closure cap | General | 14 | Expired |
| US4005101A | Method for molding plastic covers for containers | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4349174A | Injection mold apparatus for containers of plastics material | Performing Operations; Transporting | 11 | Expired |
| US4254603A | Process and apparatus for screwing on a screw cap | Performing Operations; Transporting | 11 | Expired |
| US4349399A | Method and apparatus for shrinking a container closure | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4412409A | Method of closing the mouth of a container and a screw cap for use therein | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.