Inventor
SCHOONMAKER STEPHEN J
US16 patents
⚠️ This page may combine multiple inventors who share the name “SCHOONMAKER STEPHEN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MANITOWOC CRANE COMPANIES LLC
13 patentsUS10676328B2Jun 9, 2020
Crane function performance enhancement for non-symmetrical outrigger arrangements
MANITOWOC CRANE COMPANIES LLC10 citations82
US9365398B2Jun 14, 2016
Outrigger pad monitoring system
MANITOWOC CRANE COMPANIES LLC11 citations82
US10018721B2Jul 10, 2018
Ruggedized packaging for linear distance measurement sensors
MANITOWOC CRANE COMPANIES LLC8 citations81
US10822208B2Nov 3, 2020
Crane 3D workspace spatial techniques for crane operation in proximity of obstacles
MANITOWOC CRANE COMPANIES LLC2 citations72
US9850109B2Dec 26, 2017
Crane 3D workspace spatial techniques for crane operation in proximity of obstacles
MANITOWOC CRANE COMPANIES LLC4 citations72
US11401135B2Aug 2, 2022
Pinned telescoping crane boom
MANITOWOC CRANE COMPANIES LLC1 citations61
US10457529B2Oct 29, 2019
Crane with rotary locking mechanism
MANITOWOC CRANE COMPANIES LLC1 citations61
US12358763B2Jul 15, 2025
System for determining crane status using optical and/or electromagnetic sensors
MANITOWOC CRANE COMPANIES LLC1 citations56
US11584623B2Feb 21, 2023
Electric actuation assembly for crane pinned boom
MANITOWOC CRANE COMPANIES LLC0 citations51
US11117789B2Sep 14, 2021
Telescoping boom with rotary extension and locking system
MANITOWOC CRANE COMPANIES LLC0 citations51
US10821945B2Nov 3, 2020
Outrigger pad assembly having a force sensor
MANITOWOC CRANE COMPANIES LLC0 citations51
US11713222B2Aug 1, 2023
System and method for monitoring crane and crane having same
MANITOWOC CRANE COMPANIES LLC0 citations44
US12208999B2Jan 28, 2025
Locking head assembly for crane boom pins, boom with such an assembly and crane with such a boom
MANITOWOC CRANE COMPANIES LLC0 citations43