Inventor
BULLWINKEL WILLIAM H
US19 patents
⚠️ This page may combine multiple inventors who share the name “BULLWINKEL WILLIAM H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DELTA LOCK COMPANY LLC
14 patentsUS9435144B2Sep 6, 2016
Locking device for product display hooks, showcases, cabinets, fixtures, and casework
DELTA LOCK COMPANY LLC16 citations92
USD988835SJun 13, 2023
Ratchet locking device
DELTA LOCK COMPANY LLC8 citations84
US11603680B2Mar 14, 2023
Interchangeable core lock assemblies
DELTA LOCK COMPANY LLC5 citations84
US10724276B2Jul 28, 2020
Interchangeable core lock assemblies
DELTA LOCK COMPANY LLC7 citations83
US10662672B2May 26, 2020
Locking device for product display hooks, showcases, cabinets, fixtures, and casework
DELTA LOCK COMPANY LLC5 citations83
US10184270B2Jan 22, 2019
Locking device for product display hooks, showcases, cabinets, fixtures, and casework
DELTA LOCK COMPANY LLC13 citations83
US10087653B2Oct 2, 2018
Lost motion driver for interchangeable core lock assemblies
DELTA LOCK COMPANY LLC7 citations83
US9816289B2Nov 14, 2017
Lost motion driver for interchangeable core lock assemblies
DELTA LOCK COMPANY LLC8 citations83
USD899218SOct 20, 2020
Locking device
DELTA LOCK COMPANY LLC7 citations79
US10156088B2Dec 18, 2018
Locking device for product display hooks, showcases, cabinets, fixtures, and casework
DELTA LOCK COMPANY LLC7 citations79
USD981207SMar 21, 2023
Drawer lock assembly
DELTA LOCK COMPANY LLC4 citations73
US11976497B2May 7, 2024
Drawer lock assemblies
DELTA LOCK COMPANY LLC2 citations71
US11732507B2Aug 22, 2023
Interchangeable core lock assemblies
DELTA LOCK COMPANY LLC0 citations61
US11879269B2Jan 23, 2024
Ratchet lock assemblies
DELTA LOCK COMPANY LLC0 citations50
INNOVATION LOCK LLC
3 patentsUS11992135B2May 28, 2024
Devices, systems and methods for hanging and securing items for display
INNOVATION LOCK LLC4 citations72
US12390022B2Aug 19, 2025
Devices, systems and methods for hanging and securing items for display
INNOVATION LOCK LLC0 citations59
US12454849B2Oct 28, 2025
Drawer lock assemblies
INNOVATION LOCK LLC0 citations50