Gregory S. Helwig
11Patents
8h-index
13Co-inventors
69Inventor score
Filing activity: May 2, 1988 → Aug 29, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6267843A | Wet-laid nonwoven mat and a process for making same | Textiles; Paper | 45 | Expired |
| US5972166A | Non-woven fiber mat and method for forming same | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6365001B1 | Wet-laid nonwoven mat and a process for making same | Textiles; Paper | 39 | Expired |
| US5935879A | Non-woven fiber mat and method for forming same | Emerging Cross-Sectional Technologies | 36 | Expired |
| US7207744B2 | Mats for use in paved surfaces | Textiles; Paper | 26 | Expired |
| US6054022A | Method for producing a non-woven glass fiber mat comprising bundles of fibers | Textiles; Paper | 22 | Expired |
| US6648547B2 | Method of reinforcing and waterproofing a paved surface | Fixed Constructions | 16 | Expired |
| US7059800B2 | Method of reinforcing and waterproofing a paved surface | Fixed Constructions | 9 | Expired |
| US4849281A | Glass mat comprising textile and wool fibers | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8324121B2 | Roof covering having improved tear strength | Emerging Cross-Sectional Technologies | 1 | Active |
| US8012576B2 | Roof coverings having improved tear strength | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.