Inventor
DENORMAND RICHARD S
US18 patents
⚠️ This page may combine multiple inventors who share the name “DENORMAND RICHARD S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CALDWELL MFG CO NORTH AMERICA LLC
9 patentsUS9121209B2Sep 1, 2015
Window balance assembly
CALDWELL MFG CO NORTH AMERICA LLC23 citations96
US9458655B2Oct 4, 2016
Constant force moving coil window balance with drop-in carrier
CALDWELL MFG CO NORTH AMERICA LLC22 citations92
US8850745B2Oct 7, 2014
Window counterbalance system and mounting bracket therefor
CALDWELL MFG CO NORTH AMERICA LLC20 citations92
US8819896B2Sep 2, 2014
Locking carrier and mounting arrangement for tilt sash counterbalance systems
CALDWELL MFG CO NORTH AMERICA LLC24 citations90
US9988834B2Jun 5, 2018
Carrier device for window balance assembly
CALDWELL MFG CO NORTH AMERICA LLC9 citations83
US7945994B2May 24, 2011
Two piece carrier and balance assembly
CALDWELL MFG CO NORTH AMERICA LLC14 citations76
US11613920B2Mar 28, 2023
Window balance assembly
CALDWELL MFG CO NORTH AMERICA LLC1 citations73
US10167658B2Jan 1, 2019
Side-load hung window assembly with sash guides
CALDWELL MFG CO NORTH AMERICA LLC3 citations73
US9309709B2Apr 12, 2016
Window counterbalance system
CALDWELL MFG CO NORTH AMERICA LLC2 citations60
CALDWELL MFG CO
6 patentsUS6041476AMar 28, 2000
Inverted block and tackle window balance
CALDWELL MFG CO83 citations96
US5530991AJul 2, 1996
Block and tackle window balance
CALDWELL MFG CO63 citations95
US5934031AAug 10, 1999
Jamb liner wind braces for tilt window
CALDWELL MFG CO27 citations92
US5199219AApr 6, 1993
Window jamb liner
CALDWELL MFG CO20 citations81
US5546702AAug 20, 1996
Adjustable brace for window sash
CALDWELL MFG CO7 citations72
US7735192B2Jun 15, 2010
Extended travel window balance
CALDWELL MFG CO6 citations62