Empak, Inc.
56Patents
0Active
56Granted
38Portfolio score
Filing activity: Aug 30, 1982 → Nov 11, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD343356S | Security package | General | 93 | Expired |
| US4450960A | Package | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4520925A | Package | Emerging Cross-Sectional Technologies | 59 | Expired |
| US4557382A | Disk package | Electricity | 57 | Expired |
| US5476176A | Reinforced semiconductor wafer holder | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5273159A | Wafer suspension box | Electricity | 47 | Expired |
| US4817799A | Disk package | Physics | 46 | Expired |
| US4634004A | Magnetic tape security housing | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4838422A | Data storage container | Physics | 44 | Expired |
| US4669612A | Disk processing cassette | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5555981A | Wafer suspension box | Electricity | 41 | Expired |
| US4793488A | Package for semiconductor wafers | Electricity | 38 | Expired |
| US4865190A | Security package with rotatable locking channel | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4582219A | Storage box having resilient fastening means | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5230190A | Joist bridge and duct support | Fixed Constructions | 36 | Expired |
| US4724963A | Wafer processing cassette | Electricity | 36 | Expired |
| US4966284A | Substrate package | Electricity | 33 | Expired |
| US5385180A | Liquid saver funnel system | Performing Operations; Transporting | 33 | Expired |
| US5755332A | Enclosed sealable purgible semiconductor wafer holder | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5025926A | Package | Electricity | 31 | Expired |
| US4687097A | Wafer processing cassette | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4759442A | Security package | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5348151A | Low profile disk carrier | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4493418A | Wafer processing cassette | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5215188A | Security package with a slidable locking mechanism | Emerging Cross-Sectional Technologies | 24 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.