Patent · US Active

Roofing shingle including sheet as headlap

US8557366B2 · kind B2 · utility

38Cited by

82References

3Claims

0Family size

Assignee

Owens Corning Intellectual Capital, LLC · US

Inventors

Edward R. Harrington · Naperville, US
Larry Grubka · Westerville, US
Yihsein H. Teng · Westerville, US
Jill Krueger · Gahanna, US
Venkata S. Nagarajan · New Albany, US
Marc Kuttler · Berlin, DE
Don Greg Hendershot · Columbus, US
Jay D. Beck · Springfield, US

Key dates

Filing date	Apr 3, 2006
Grant date	Oct 15, 2013
Priority date	—
Expiry date	Jul 4, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24372
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A roofing shingle includes a buttlap portion with a butt edge and a headlap portion with a head edge. The roofing shingle includes a coated mat which is a roofing mat coated with an organic-based coating material. The roofing shingle also includes a water impermeable sheet adjacent to the coated mat. In one embodiment, the headlap portion of the coated mat is mostly replaced by the sheet. In another embodiment, the roofing shingle has a limited width. In a further embodiment, the roofing shingle is reduced in weight compared to a conventional shingle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.