The Patent Finder

4FRONT Engineered Solutions, Inc.

Also on record
Records under this name other than the patents 4FRONT Engineered Solutions, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 16 patents it holds.

Back to 4FRONT Engineered Solutions, Inc.

PatentTitleStatus Expires Confidence
US 7,594,290Dock leveler bottom pad
Term ended
Term ended Aug 31, 2026 · From the USPTO record
Term endedTerm ended Aug 31, 2026From the USPTO record
US 7,409,739Dock Leveler Support Frame and Method of Installation
Term ended
Term ended Aug 2, 2026 · High confidence
Term endedTerm ended Aug 2, 2026High confidence
US 7,119,673Loading Dock Monitoring System and Apparatus
Term ended
Term ended Oct 11, 2024 · High confidence
Term endedTerm ended Oct 11, 2024High confidence
US 7,657,957Vertically-storing dock leveler apparatus and method
Term ended
Term ended Feb 2, 2024 · From the USPTO record
Term endedTerm ended Feb 2, 2024From the USPTO record
US 7,165,486Apparatus and Method for Hydraulically Controlling a Vehicle Restraint
Term ended
Ended no later than Oct 19, 2023 · Medium confidence
Term endedEnded no later than Oct 19, 2023Medium confidence
US 7,353,558Vertically-storing dock leveler apparatus and method
Term ended
Term ended Sep 30, 2023 · From the USPTO record
Term endedTerm ended Sep 30, 2023From the USPTO record
US 7,017,220Spring Counterbalance Method and Apparatus for Variably Biasing a Dock Leveler
Term ended
Term ended Sep 22, 2023 · High confidence
Term endedTerm ended Sep 22, 2023High confidence
US 6,951,041Vertically-Storing Dock Leveler Apparatus and Method
Term ended
Term ended May 27, 2023 · High confidence
Term endedTerm ended May 27, 2023High confidence
US 7,043,790Vertically-Storing Dock Leveler Apparatus and Method
Term ended
Term ended May 27, 2023 · High confidence
Term endedTerm ended May 27, 2023High confidence
US 7,100,233Vertically-Storing Dock Leveler Apparatus and Method
Term ended
Term ended May 27, 2023 · High confidence
Term endedTerm ended May 27, 2023High confidence
10 of 76 patents shown.
Pro members see all 76.
Pro members: see all 76 patents
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited