Patent assignee · US · COMPANY

Plas-Pak Industries, Inc.

8Patents
3Active
8Granted
38Portfolio score

Filing activity: May 6, 1992 → Apr 15, 2016

Most-cited patents

PatentTitleAreaCited byStatus
US5249709A Cartridge system for dispensing predetermined ratios of semi-liquid materials Performing Operations; Transporting 146 Expired
US5725499A Dual barreled syringe and methods of assembly and use Human Necessities 59 Expired
US6601782B1 Disposable spray nozzle assembly Performing Operations; Transporting 33 Expired
US7140797B2 Multi-cartridge dispenser Performing Operations; Transporting 19 Expired
US6899254B1 Venting seal for dispenser Performing Operations; Transporting 13 Expired
US9517488B2 Component delivery system utilizing film bags Performing Operations; Transporting 9 Active
US9469061B2 One-piece ventable piston for a dispensing apparatus, a dispensing apparatus with same, and method of making same Performing Operations; Transporting 6 Active
US10166570B1 Applicator system for extrusive dispensing of work material from collapsible cartridge Physics 4 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.