E.C.H. Will GmbH
90Patents
4Active
90Granted
38Portfolio score
Filing activity: Aug 2, 1977 → Dec 16, 2009 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4385537A | Apparatus for engaging and transporting discrete sheets of paper or the like | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4572350A | Apparatus for diverting stacks of sheets in paper processing machines | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4807739A | Method of and apparatus for transporting and turning stacks of paper sheets | Performing Operations; Transporting | 30 | Expired |
| US4484501A | Apparatus for cutting and trimming paper sheets or the like | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4842573A | Apparatus for forming stacks of panels in zig-zag formation | Performing Operations; Transporting | 26 | Expired |
| US4901842A | Apparatus for turning stacks and conveyors therefor | Performing Operations; Transporting | 25 | Expired |
| US4518075A | Apparatus for gathering and singularizing stacks of paper sheets or the like | Performing Operations; Transporting | 24 | Expired |
| US5295775A | Method of and apparatus for making books | Performing Operations; Transporting | 24 | Expired |
| US4364552A | Method and apparatus for forming a stream of partially overlapping paper sheets or the like | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4297066A | Paper sheet layer forming and transferring arrangement | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4708332A | Method and apparatus for zig-zag folding webs of paper and the like | Performing Operations; Transporting | 22 | Expired |
| US4765790A | Apparatus for accumulating stacks of paper sheets and the like | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5417535A | Method of and apparatus for making books, brochures and the like | Performing Operations; Transporting | 21 | Expired |
| US4717013A | Apparatus for transporting layers of paper sheets to processing machines | Performing Operations; Transporting | 19 | Expired |
| US5004094A | Apparatus for transporting stacks of paper sheets to processing machines | Performing Operations; Transporting | 18 | Expired |
| US4257299A | Means for moving a rotary knife in apparatus for cutting paper sheets or the like | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4629058A | Method and apparatus for transporting layers of paper sheets to processing machines | Performing Operations; Transporting | 17 | Expired |
| US4387890A | Apparatus for changing the orientation of stacked paper sheets or the like | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4548404A | Method and apparatus for forming a stream of partly overlapping paper sheets | Performing Operations; Transporting | 15 | Expired |
| US4508210A | Apparatus for transporting paper stacks or the like | Performing Operations; Transporting | 15 | Expired |
| US4437560A | Apparatus for changing the direction of transport of paper stacks or the like | Performing Operations; Transporting | 13 | Expired |
| US4878659A | Method of and apparatus for gathering and manipulating stacks of paper sheets and the like | Performing Operations; Transporting | 13 | Expired |
| US6481952B2 | Method of and apparatus for accumulating successive stacks of superimposed sheets | Performing Operations; Transporting | 13 | Expired |
| US4502592A | Apparatus for intermittently transporting stacks of paper sheets or the like | Performing Operations; Transporting | 12 | Expired |
| US4842125A | Apparatus for transporting stacks of paper sheets and the like | Performing Operations; Transporting | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.