Inventor · Palatine, IL, US

Riaz Hasan

9Patents
7h-index
4Co-inventors
52Inventor score

Filing activity: Mar 17, 1986 → Jun 2, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US6665991B2 Seam plate for retaining roof decking membrane Fixed Constructions 68 Expired
US6205730A Roofing plate for securing roofing membrane Fixed Constructions 38 Expired
US5711116A Polymer batten with adhesive backing Emerging Cross-Sectional Technologies 33 Expired
US4757661A Washer with axial ribs Mechanical Engineering; Lighting; Heating 31 Expired
US4663910A Washer for roofing insulation Fixed Constructions 24 Expired
US4712959A Washer with resilient head cripping means Fixed Constructions 18 Expired
US5921454A Roofing washer-dispensing and fastener-driving machine Fixed Constructions 17 Expired
US6142352A Roofing washer-dispensing and fastener-driving machine Fixed Constructions 7 Expired
US5707191A Stress plate with angled hole Fixed Constructions 4 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.