Roll Systems, Inc.
75Patents
2Active
75Granted
36Portfolio score
Filing activity: Dec 22, 1987 → Jul 21, 2008 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5328438A | System and method for manufacturing sealed packages | Performing Operations; Transporting | 78 | Expired |
| US5628574A | Web error recovery divert system | Performing Operations; Transporting | 32 | Expired |
| US4893763A | Roll support and feed apparatus | Performing Operations; Transporting | 31 | Expired |
| US5582570A | Method and apparatus for binding sheets using a printing substance | Performing Operations; Transporting | 30 | Expired |
| US5558318A | Separator for forming discrete stacks of folded web | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5586710A | Power stapler | Performing Operations; Transporting | 28 | Expired |
| US5149075A | Apparatus for separating folded web | Performing Operations; Transporting | 27 | Expired |
| US5213560A | System and method for manufacturing sealed packages | Performing Operations; Transporting | 27 | Expired |
| US5472153A | Roll support and feed apparatus | Performing Operations; Transporting | 24 | Expired |
| US5282350A | High speed inserter fed from roll material | Performing Operations; Transporting | 23 | Expired |
| US5651511A | Roll support and feed apparatus | Performing Operations; Transporting | 20 | Expired |
| US6460844B1 | Cut sheet streamer and merger | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5967394A | Method and apparatus for pinless feeding of web to a utilization device | Physics | 19 | Expired |
| US5456646A | System and method for manufacturing sealed packages | Performing Operations; Transporting | 19 | Expired |
| US5344089A | Roll support and feed apparatus | Performing Operations; Transporting | 18 | Expired |
| US5130724A | System and method for directly feeding paper to printing devices | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5273516A | Method and apparatus for business forms processing | Performing Operations; Transporting | 17 | Expired |
| US6279807A | Method and apparatus for pinless feeding of web to a utilization device | Physics | 17 | Expired |
| US5360213A | Apparatus for separating folded web | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5335899A | Apparatus and method for automatically adjusting sheet feeding pressure | Performing Operations; Transporting | 17 | Expired |
| US6520080B1 | System and method for utilizing web from a roll having splices | Performing Operations; Transporting | 16 | Expired |
| US5213246A | Paper guiding method and apparatus | Performing Operations; Transporting | 16 | Expired |
| US7402130B1 | System and method for folding and handling stacks of continuous web | Performing Operations; Transporting | 15 | Active |
| US5193727A | System for incorporation of post-production operations to a web output from an image transfer device | Performing Operations; Transporting | 15 | Expired |
| US5820007A | Method and apparatus for pinless feeding of web to a utilization device | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.