Patent assignee · US · COMPANY

Package Research, Inc.

8Patents
0Active
8Granted
25Portfolio score

Filing activity: Feb 25, 1985 → Jan 17, 1997

Most-cited patents

PatentTitleAreaCited byStatus
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.