WI

Wilbur James Kellum, III

AG Amesbury Group: 17 patents #4 of 57Top 8%
CA Caldwell Manufacturing Company North America: 16 patents #1 of 27Top 4%
EM Emf: 4 patents #1 of 14Top 8%
AF Assa Abloy Fenestration: 2 patents #1 of 13Top 8%
HL Hoover Limited: 1 patents #155 of 240Top 65%
📍 Garretson, SD: #1 of 7 inventorsTop 15%
🗺 South Dakota: #10 of 2,308 inventorsTop 1%
Overall (All Time): #75,431 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDate
12410648 Window balance shoes for a pivotable window 2025-09-09
12173536 Window balance assembly Mark R. Baker 2024-12-24
12091895 Window balance shoes for a pivotable window 2024-09-17
12044061 Sash guide 2024-07-23
11879282 Window balance assembly Mark R. Baker 2024-01-23
11624225 Window balance assembly Mark R. Baker 2023-04-11
11613920 Window balance assembly Mark R. Baker, Richard S. deNormand 2023-03-28
11352821 Inverted constant force window balance having slidable coil housing 2022-06-07
11193318 Window balance shoes for a pivotable window 2021-12-07
D932882 Corner key 2021-10-12
11136801 Inverted constant force window balance Chad Swier, Travis Steen, Tyler Welbig 2021-10-05
11078720 Corner key for extruded windows and doors 2021-08-03
D909855 Corner key 2021-02-09
10704308 Window balance assembly Mark R. Baker 2020-07-07
10563441 Constant force window balance engagement system 2020-02-18
10563440 Inverted constant force window balance Chad Swier, Travis Steen, Tyler Welbig 2020-02-18
10472871 Window balance having four-loop cord configuration 2019-11-12
10435934 Carrier and bracket assembly for window balance 2019-10-08
D852613 Top guide for a window balance 2019-07-02
10174544 Corner key for extruded windows and doors 2019-01-08
D820077 Top guide for window balance 2018-06-12
9995072 Window balance assembly Mark R. Baker 2018-06-12
9863176 Carrier and bracket assembly for window balance 2018-01-09
9476242 Window balance assembly Mark R. Baker 2016-10-25
9121209 Window balance assembly Mark R. Baker, Richard S. deNormand 2015-09-01