SA Martin
🏢 View company profile →27Patents
0Active
27Granted
32Portfolio score
Filing activity: Feb 25, 1975 → Jun 7, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4614512A | Sheet folding machine | Performing Operations; Transporting | 66 | Expired |
| US3949654A | Assembly for use in a machine for processing sheet or similar material | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4338154A | Machine for producing single-face corrugated board | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4133523A | Stacking device for sheets | Performing Operations; Transporting | 31 | Expired |
| US4589944A | Process and apparatus for producing a strip of corrugated cardboard | Performing Operations; Transporting | 31 | Expired |
| US4618391A | Automatic device for bringing into register a tool mounted on a rotary cylinder for processing products in sheet form | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4181298A | Device for synchronized introduction of sheets into a treatment machine | Performing Operations; Transporting | 23 | Expired |
| US4613268A | Process and apparatus for the automatic supply of a machine for processing products in the form of sheets | Performing Operations; Transporting | 21 | Expired |
| US4265443A | Automatic lengthwise receiver for stacking panels of different form and size and method of use | Performing Operations; Transporting | 20 | Expired |
| US5545001A | Station for piling, separating and ejecting batches of plate-like workpieces at an outlet of a processing machine | Performing Operations; Transporting | 20 | Expired |
| US4449450A | Retractable propulsion apparatus for cardboard box printing machine | Performing Operations; Transporting | 18 | Expired |
| US5344136A | Sheet supporting arrangement for use in a stacker | Performing Operations; Transporting | 12 | Expired |
| US5526746A | Device for hooking flexible printing plates on a printing cylinder | Performing Operations; Transporting | 12 | Expired |
| US4175489A | Inking and washing circuit for a flexographic printing machine | Performing Operations; Transporting | 11 | Expired |
| US5201513A | Device for conveying and piling sheets into stacks | Performing Operations; Transporting | 11 | Expired |
| US3974727A | Rotary knife, assembly and machine for processing a product | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5464202A | Apparatus and method for feeding sheets from a stack | Performing Operations; Transporting | 10 | Expired |
| US5057068A | Device for sidewise shifting of a tool in a slotting station contained within a machine processing sheet-like workpieces | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5026040A | Device for the sequential introduction of sheets in a shaping or forming machine | Performing Operations; Transporting | 9 | Expired |
| US4932298A | Circular tool arrangement allowing quick changing of tools | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4808054A | Device for piling up flat pieces | Performing Operations; Transporting | 6 | Expired |
| US4181076A | Ink return circuit for a flexographic printing machine | Performing Operations; Transporting | 6 | Expired |
| US4506875A | Suction-box feed device | Performing Operations; Transporting | 6 | Expired |
| US4549924A | Device for instantaneously changing the gluing width of a web of paper in the manufacture of corrugated cardboard, and process for use of such a device | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4219294A | Machine for separating and discharging products in sheet form | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.