Butler Automatic, Inc.
21Patents
2Active
21Granted
31Portfolio score
Filing activity: Dec 26, 1974 → May 18, 2020
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5190234A | Web handling method and apparatus with pre-acceleration of web feed rolls | Performing Operations; Transporting | 84 | Expired |
| US4021031A | Web alignment system | Performing Operations; Transporting | 31 | Expired |
| US4948060A | Automatic web roll handling system for splicing | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4100012A | Driven nip roll splicer | Performing Operations; Transporting | 29 | Expired |
| US4069959A | Web guide apparatus | Performing Operations; Transporting | 28 | Expired |
| US5253819A | Speed match splicing method and apparatus | Performing Operations; Transporting | 25 | Expired |
| US4455190A | Web splicer | Performing Operations; Transporting | 21 | Expired |
| US4159808A | Variable ratio winder | Performing Operations; Transporting | 18 | Expired |
| US4021002A | Auto-splice system | Performing Operations; Transporting | 16 | Expired |
| US3994449A | Auto-splice system | Performing Operations; Transporting | 14 | Expired |
| US6817566B2 | Web splicer | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4143568A | Rotary web cutting apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US3990647A | Web splice control system | Performing Operations; Transporting | 11 | Expired |
| US5301891A | Method and means for preventing the lifting of the leading edge of a web on a rotating web roll due to windage | Performing Operations; Transporting | 10 | Expired |
| USRE29365E | Web supply apparatus | General | 9 | Expired |
| US4015794A | Web tension control system | Performing Operations; Transporting | 8 | Expired |
| US5249917A | Palletizer | Performing Operations; Transporting | 8 | Expired |
| US5388775A | Method and means for preventing the lifting of the leading edge of a web on a rotating web roll due to windage | Performing Operations; Transporting | 4 | Expired |
| US9637340B1 | Automatic sleeving splicer | Performing Operations; Transporting | 4 | Active |
| US3973174A | Digital control system | Performing Operations; Transporting | 1 | Expired |
| US11447356B2 | System and method for aligning and joining the same sides of two web materials | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.