Inventor
KELLUM III WILBUR JAMES
US22 patents
⚠️ This page may combine multiple inventors who share the name “KELLUM III WILBUR JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CALDWELL MFG CO NORTH AMERICA LLC
12 patentsUS9121209B2Sep 1, 2015
Window balance assembly
CALDWELL MFG CO NORTH AMERICA LLC23 citations96
US9995072B2Jun 12, 2018
Window balance assembly
CALDWELL MFG CO NORTH AMERICA LLC10 citations92
US9476242B2Oct 25, 2016
Window balance assembly
CALDWELL MFG CO NORTH AMERICA LLC10 citations92
US9003710B2Apr 14, 2015
Tilt sash counterbalance system including curl spring mount stabilizer
CALDWELL MFG CO NORTH AMERICA LLC21 citations92
US8813310B2Aug 26, 2014
Window balance assembly
CALDWELL MFG CO NORTH AMERICA LLC21 citations92
US8966822B2Mar 3, 2015
Air and debris dam for moving coil balance assembly
CALDWELL MFG CO NORTH AMERICA LLC20 citations91
US8819896B2Sep 2, 2014
Locking carrier and mounting arrangement for tilt sash counterbalance systems
CALDWELL MFG CO NORTH AMERICA LLC24 citations90
US10704308B2Jul 7, 2020
Window balance assembly
CALDWELL MFG CO NORTH AMERICA LLC3 citations84
US9038315B2May 26, 2015
Self-balancing double-hung window apparatus
CALDWELL MFG CO NORTH AMERICA LLC8 citations84
US11879282B2Jan 23, 2024
Window balance assembly
CALDWELL MFG CO NORTH AMERICA LLC1 citations73
US11624225B2Apr 11, 2023
Window balance assembly
CALDWELL MFG CO NORTH AMERICA LLC1 citations73
US11613920B2Mar 28, 2023
Window balance assembly
CALDWELL MFG CO NORTH AMERICA LLC1 citations73
AMESBURY GROUP INC
5 patentsUS10563441B2Feb 18, 2020
Constant force window balance engagement system
AMESBURY GROUP INC10 citations84
US9863176B2Jan 9, 2018
Carrier and bracket assembly for window balance
AMESBURY GROUP INC9 citations84
USD820077SJun 12, 2018
Top guide for window balance
AMESBURY GROUP INC3 citations73
USD852613SJul 2, 2019
Top guide for a window balance
AMESBURY GROUP INC1 citations62
US10435934B2Oct 8, 2019
Carrier and bracket assembly for window balance
AMESBURY GROUP INC0 citations52