Package Research, Inc.
8Patents
0Active
8Granted
25Portfolio score
Filing activity: Feb 25, 1985 → Jan 17, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5547107A | Dispenser for flowable materials | Performing Operations; Transporting | 31 | Expired |
| US4742940A | Dispenser for flowable materials | Performing Operations; Transporting | 24 | Expired |
| USD303627S | Dispenser | General | 17 | Expired |
| US5092496A | Dispenser for flowable materials having a piston with a flexible sealing rim | Human Necessities | 16 | Expired |
| USD296060S | Toothpaste dispenser | General | 13 | Expired |
| US5848739A | Pump dispenser for flowable materials | Performing Operations; Transporting | 5 | Expired |
| US5253787A | Fluid dispenser with tiltable dispensing nozzle and sealing membrane | Performing Operations; Transporting | 4 | Expired |
| US4858785A | Multiple fluid dispenser | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.