Inventor
BERNHAGEN TODD A
US31 patents
Patents
31 patentsUS9062490B2Jun 23, 2015
Weather seal system for double hung window
PELLA CORP17 citations89
US7073292B1Jul 11, 2006
Window sash corner lock
PELLA CORP22 citations88
US11286709B2Mar 29, 2022
Coplanar bi-fold and sliding door
PELLA CORP10 citations84
US11643864B2May 9, 2023
Screen edge retention and screen rethreading features for a hidden screen assembly and a fenestration assembly
PELLA CORP6 citations83
US10822863B2Nov 3, 2020
Sliding fenestration unit with coplanar panels
PELLA CORP10 citations83
US11933098B1Mar 19, 2024
Fenestration unit with interior installation features and associated systems and methods
PELLA CORP6 citations79
US11692371B2Jul 4, 2023
Fenestration automation systems and methods
PELLA CORP4 citations75
US11725446B2Aug 15, 2023
Fenestration unit operator tensioner
PELLA CORP4 citations74
US11584041B2Feb 21, 2023
Reinforced pultrusion member and method of making
PELLA CORP2 citations73
US11371280B2Jun 28, 2022
Modular frame design
PELLA CORP2 citations73
US10982484B2Apr 20, 2021
Enhanced field of view for fenestration units
PELLA CORP2 citations73
US9556668B2Jan 31, 2017
Weather seal system for double hung windows
PELLA CORP5 citations69
US11560746B2Jan 24, 2023
Slide operator assemblies and components for fenestration units
PELLA CORP2 citations68
US12565800B2Mar 3, 2026
Slide mechanism for fenestration unit and associated methods
PELLA CORP0 citations62
US12473753B2Nov 18, 2025
Fenestration automation systems and methods
PELLA CORP0 citations62
US12352091B2Jul 8, 2025
Slide operator for fenestration unit
PELLA CORP0 citations62
US12188278B2Jan 7, 2025
Slide mechanism for fenestration unit and associated methods
PELLA CORP0 citations62
US12163372B2Dec 10, 2024
Enhanced field of view for fenestration units
PELLA CORP0 citations62
US12060748B2Aug 13, 2024
Sliding fenestration unit with coplanar panels
PELLA CORP1 citations62
US11802432B2Oct 31, 2023
Slide operator for fenestration unit
PELLA CORP0 citations62
US11261640B2Mar 1, 2022
Slide operator for fenestration unit
PELLA CORP0 citations62
US12359495B2Jul 15, 2025
Slide and pivot fenestration unit
PELLA CORP0 citations61
US11920403B2Mar 5, 2024
Sliding and pivot fenestration unit
PELLA CORP1 citations61
US12173553B2Dec 24, 2024
Screen edge retention and screen rethreading features for a hidden screen assembly and a fenestration assembly
PELLA CORP0 citations60
US12180777B2Dec 31, 2024
Fenestration unit installation clips and associated methods
PELLA CORP0 citations58
US11834884B2Dec 5, 2023
Slide operator assemblies and components for fenestration units
PELLA CORP0 citations58
US12173552B1Dec 24, 2024
Fenestration unit with interior installation features and associated systems and methods
PELLA CORP0 citations56
US12331576B2Jun 17, 2025
Powered pivoting fenestration unit and associated systems and methods
PELLA CORP0 citations52
US9650822B2May 16, 2017
Fenestration unit with sash retention
PELLA CORP1 citations51
USD876245SFeb 25, 2020
Sensor housing
PELLA CORP0 citations50
USD803083SNov 21, 2017
Sensor receiver
PELLA CORP0 citations50