Roger A. Ziecker
12Patents
9h-index
11Co-inventors
69Inventor score
Filing activity: May 7, 1979 → Sep 15, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4785996A | Adhesive spray gun and nozzle attachment | Performing Operations; Transporting | 600 | Expired |
| US4983109A | Spray head attachment for metering gear head | Emerging Cross-Sectional Technologies | 97 | Expired |
| US6089413A | Liquid dispensing and recirculating module | Performing Operations; Transporting | 68 | Expired |
| US5292068A | One-piece, zero cavity nozzle for swirl spray of adhesive | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5620139A | Nozzle adapter with recirculation valve | Performing Operations; Transporting | 40 | Expired |
| USRE33481E | Adhesive spray gun and nozzle attachment | General | 31 | Expired |
| US5740963A | Self-sealing slot nozzle die | Performing Operations; Transporting | 28 | Expired |
| US5495963A | Valve for controlling pressure and flow | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5265800A | Adhesive spray gun with adjustable module and method of assembling | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5699938A | Molten thermoplastic material supply system with removable drive assembly | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4301912A | Divider screws | Performing Operations; Transporting | 8 | Expired |
| US4223509A | Film tucking packaging machine | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.