Sill systems for sliding fenestration units

US11578528B2 · kind B2 · utility

Inventors

• Howard C. Anderson · Pella, US
• Andy Breuer · Newton, US
• Andrew Morse · Manchester, US
• Joseph A. Ritzert · Pella, US
• Paul D. Schroder · Pella, US
• Jaden P. Vos · Pella, US

Key dates

• Filing date: Jan 9, 2020
• Grant date: Feb 14, 2023
• Expiry date: Jan 9, 2040

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E06B1/705
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

Various aspects of the disclosure relate to modular sill systems for sliding panel doors and windows, collectively “sliding fenestration units.” In various examples, modular sill systems include multiple separate and distinct base components that provide tracks on which one or more panels are able to slide.