Triangle Package Machinery Co.
28Patents
5Active
28Granted
36Portfolio score
Filing activity: Mar 11, 1976 → Sep 17, 2018 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6250048A | Longitudinal seam sealer for polyethylene material | Performing Operations; Transporting | 89 | Expired |
| US5255497A | Flat sided forming tube for a form-fill-seal machine | Performing Operations; Transporting | 70 | Expired |
| US5715656A | Form, fill and seal machine | Performing Operations; Transporting | 64 | Expired |
| US5941643A | Partially zippered pouch and machine for making same | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4079662A | Bag making machine | Performing Operations; Transporting | 43 | Expired |
| US6012264A | Zipper sealer machine | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6038839A | Longitudinal seam sealer for polyethylene material | Performing Operations; Transporting | 30 | Expired |
| US5258580A | Combination weigher with stagger discharge | Physics | 23 | Expired |
| US4901807A | Combination weigher with multiple compartment weighing receptacles | Physics | 22 | Expired |
| US4538693A | Weighing machine | Physics | 21 | Expired |
| US4100984A | Net weigher with built-in checkweigher | Physics | 18 | Expired |
| US6219993A | Zipper sealer machine | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6725629B2 | Horizontal cartoner system and method for the use thereof | Performing Operations; Transporting | 17 | Expired |
| US5852920A | Longitudinal seam sealer for continuous motion form, fill and seal machine | Performing Operations; Transporting | 15 | Expired |
| US4393950A | Tare weighing apparatus and method therefor | Physics | 15 | Expired |
| US6365845B1 | Sanitary weighing machine | Physics | 9 | Expired |
| US8539741B2 | Seal and cut method and apparatus | Performing Operations; Transporting | 7 | Active |
| US4850443A | Weighing scale | Physics | 6 | Expired |
| US6021621A | Process for bonding a zipper seal to a package in a form, fill, seal machine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4630695A | Combinatorial weigher employing double group split logic | Physics | 4 | Expired |
| US5752370A | Continuous motion drive for form, fill and seal machine | Performing Operations; Transporting | 4 | Expired |
| US7673436B2 | Loading assembly for packaging system | Performing Operations; Transporting | 3 | Active |
| US5258581A | Product feeding mechanism for a combination machine | Physics | 3 | Expired |
| US4058268A | Self-locking support for tubular members | Performing Operations; Transporting | 2 | Expired |
| US10689137B2 | Continuous vertical form, fill and seal machine and method for making reclosable packages | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.