Inventor
PARKER THOMAS W
US71 patents
⚠️ This page may combine multiple inventors who share the name “PARKER THOMAS W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PARKER THOMAS W
15 patentsUS8181744B2May 22, 2012
Self-retracting lifeline systems and braking systems therefor
PARKER THOMAS W63 citations97
US8997931B2Apr 7, 2015
Stepladder with latch stud and method
PARKER THOMAS W29 citations93
US10590703B2Mar 17, 2020
Ladder, top and method
PARKER THOMAS W25 citations92
US10801219B2Oct 13, 2020
Work scaffold and method
PARKER THOMAS W8 citations84
US9661003B2May 23, 2017
System and method for forensic cyber adversary profiling, attribution and attack identification
PARKER THOMAS W19 citations84
US8720645B2May 13, 2014
Step stool and method
PARKER THOMAS W8 citations84
US10435947B2Oct 8, 2019
Ladder with pinch flex latch, and method
PARKER THOMAS W13 citations83
US10472888B2Nov 12, 2019
Stepladder with latch stud and method
PARKER THOMAS W5 citations82
US9272168B2Mar 1, 2016
Energy absorbers, connectors and horizontal lifeline systems
PARKER THOMAS W8 citations82
USD426437SJun 13, 2000
Rake head
PARKER THOMAS W10 citations74
US10612303B2Apr 7, 2020
Ladder leveler and method
PARKER THOMAS W3 citations73
US9863187B2Jan 9, 2018
Tubular access ladder and method
PARKER THOMAS W4 citations73
US9097063B2Aug 4, 2015
Flip ladder with tray and method
PARKER THOMAS W5 citations73
US10072689B2Sep 11, 2018
Stanchion systems, stanchion attachment systems, and horizontal lifeline systems including stanchion systems
PARKER THOMAS W3 citations71
US9488002B2Nov 8, 2016
Stepladder with latch stud and method
PARKER THOMAS W4 citations71
WERNER CO
12 patentsUS7931123B2Apr 26, 2011
Stepladder folding twin-step
WERNER CO63 citations95
US7967110B2Jun 28, 2011
Tubular access ladder and method
WERNER CO21 citations93
US8341806B2Jan 1, 2013
Step stool, hinge and method
WERNER CO17 citations92
US7100739B2Sep 5, 2006
Step stool, hinge and method
WERNER CO28 citations92
USD935053SNov 2, 2021
Ladder
WERNER CO12 citations84
US8348015B2Jan 8, 2013
Tubular access ladder and method
WERNER CO12 citations84
US7963369B2Jun 21, 2011
Step stool and method
WERNER CO7 citations84
US7806233B2Oct 5, 2010
Access ladder and method
WERNER CO6 citations74
US12241309B2Mar 4, 2025
Apparatus with platform and latch
WERNER CO2 citations73
US11866995B2Jan 9, 2024
Ladder with box rails having a collar
WERNER CO1 citations73
US11808048B2Nov 7, 2023
Work platform with latch assembly and method
WERNER CO2 citations71
US11885181B2Jan 30, 2024
Box rail backup and method
WERNER CO1 citations67
RANCO INC
6 patentsUS5715704AFeb 10, 1998
Refrigeration system flow control expansion valve
RANCO INC101 citations95
US5707151AJan 13, 1998
Temperature transducer assembly
RANCO INC61 citations95
US5454641AOct 3, 1995
Temperature transducer assembly
RANCO INC66 citations95
US5911242AJun 15, 1999
Reversing valve and method
RANCO INC18 citations93
US5878781AMar 9, 1999
Reversing valve and method
RANCO INC25 citations93
US5507315AApr 16, 1996
Reversing valve and method
RANCO INC30 citations93
UNIONTOOLS INC
6 patentsUSD487833SMar 23, 2004
Wheelbarrow leg stabilizer
UNIONTOOLS INC20 citations93
US6315488B1Nov 13, 2001
Snap-in handle assembly for a tool
UNIONTOOLS INC29 citations93
USD425384SMay 23, 2000
Rake head
UNIONTOOLS INC16 citations84
US6170893B1Jan 9, 2001
Implement with reinforcing rib or corrugation
UNIONTOOLS INC12 citations74
USD500239SDec 28, 2004
Shingle lifting tool
UNIONTOOLS INC11 citations68
USD498129SNov 9, 2004
Shingle lifting tool
UNIONTOOLS INC10 citations68
PLUMBMASTER INC
1 patentUNIONTOOLS
1 patentBALQUIST ROSS
1 patentRAUBVOGEL CO INC M
1 patentLENTINE TEK
1 patentAMES TRUE TEMPER INC
1 patentWOODWARD STEVE
1 patentMOLDTHAN JASON R
1 patentSMITH HUGH
1 patentHUBBLE TECH INC
1 patentLIBERTY FOOD SERVICE EQUIPMENT
1 patentShowing the top 50 of 71 patents by PatentIndex Score.