Dolco Packaging Corp.
30Patents
0Active
30Granted
35Portfolio score
Filing activity: Jan 17, 1974 → Nov 3, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3933295A | Insulative packaging device | Performing Operations; Transporting | 84 | Expired |
| US4341324A | Bowl and cover assembly | Performing Operations; Transporting | 69 | Expired |
| US5423607A | Method for blending diverse blowing agents | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4915251A | Snaplock thermoformed container | Performing Operations; Transporting | 38 | Expired |
| USD358965S | Food tray | General | 27 | Expired |
| USD322757S | Food container | General | 26 | Expired |
| USD360808S | Food tray | General | 24 | Expired |
| US3977595A | Carton with tab latch closure | Emerging Cross-Sectional Technologies | 20 | Expired |
| USD306138S | Egg carton | General | 20 | Expired |
| US4382536A | Foam egg carton | Performing Operations; Transporting | 20 | Expired |
| US5494164A | Egg carton | Performing Operations; Transporting | 20 | Expired |
| US4419068A | Molding apparatus having a vented female mold member for forming foamed egg cartons | Emerging Cross-Sectional Technologies | 19 | Expired |
| US3987956A | Container | Human Necessities | 18 | Expired |
| USD308822S | Egg carton | General | 16 | Expired |
| USD245070S | Packaging tray for meat or the like | General | 16 | Expired |
| USD244352S | Packaging tray | General | 15 | Expired |
| USD296192S | Packaging container | General | 14 | Expired |
| US4155692A | Shear molding of reinforced latch | Performing Operations; Transporting | 12 | Expired |
| US5597073A | Trays for holding food products | Performing Operations; Transporting | 11 | Expired |
| US4108941A | Shear molding of reinforced latch | Performing Operations; Transporting | 10 | Expired |
| USD307387S | Produce container | General | 9 | Expired |
| USD353765S | Four cell food tray | General | 9 | Expired |
| US4046256A | Container construction | Performing Operations; Transporting | 9 | Expired |
| USD256667S | Egg carton | General | 9 | Expired |
| US5085571A | Mold containing an adjustable key | Performing Operations; Transporting | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.