Gloucester Engineering Co., Inc.
22Patents
2Active
22Granted
34Portfolio score
Filing activity: Sep 5, 1975 → Mar 29, 2013 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4003298A | Apparatus for driving moving webs in bag making machines | Performing Operations; Transporting | 68 | Expired |
| US3980418A | Guide assembly for air-expanded thermoplastic tubes | Performing Operations; Transporting | 28 | Expired |
| US4272231A | Air cooling ring for plastic film with independent lubricating air for film guide surface | Performing Operations; Transporting | 24 | Expired |
| US4030681A | Roll winder | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4243363A | Control of tubular film size | Performing Operations; Transporting | 22 | Expired |
| US4402656A | Control of tubular film size | Performing Operations; Transporting | 21 | Expired |
| US4145177A | Air cooling ring for plastic film with independent lubricating air for film guide surface | Performing Operations; Transporting | 21 | Expired |
| US4286907A | Grid extensions on a rotary stacker | Performing Operations; Transporting | 18 | Expired |
| US4750874A | Air cooling ring for plastic film | Performing Operations; Transporting | 17 | Expired |
| US4043458A | Stacker | Performing Operations; Transporting | 16 | Expired |
| US4377540A | Control of tubular film size | Performing Operations; Transporting | 15 | Expired |
| US4285686A | V-Board folder for flexible plastic films | Performing Operations; Transporting | 12 | Expired |
| US4430914A | Rotary apparatus for advancing a web | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4236884A | Internal air cooling of tubular plastic film | Performing Operations; Transporting | 11 | Expired |
| US4373273A | Air ring having a circular array of a large multiplicity of substantially parallel cell-like passages in the air flow path leading to the outlet | Performing Operations; Transporting | 11 | Expired |
| US4230029A | Cutting assembly useful in bag machines | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4289469A | Apparatus for forming and trimming articles from a web | Performing Operations; Transporting | 9 | Expired |
| US4059381A | Toggle press | Performing Operations; Transporting | 5 | Expired |
| US4260147A | Utilization of air jets for discharge conveyor on wicketing systems | Performing Operations; Transporting | 4 | Expired |
| US5205899A | Thermal expansion compensated hot knife | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8430351B2 | Stretch film winder | Performing Operations; Transporting | 1 | Active |
| US8939751B2 | Annular die spiral groove configuration | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.