System for determining crane status using optical and/or electromagnetic sensors
US-12358763-B2 · Jul 15, 2025 · US
This page is not indexed by search engines while we improve data quality.
Schoonmaker Stephen J patents
Schoonmaker Stephen J is listed as an inventor on 30 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Schoonmaker Stephen J |
| Total patents | 30 |
| First publication | Jan 19, 2016 |
| Latest publication | Jul 15, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Locking head assembly for crane boom pins, boom with such an assembly and crane with such a boom
US-12208999-B2 · Jan 28, 2025 · US
Crane telescoping boom, system and method for actuating crane telescoping boom
US-2023382694-A1 · Nov 30, 2023 · US
System and method for monitoring crane and crane having same
US-11713222-B2 · Aug 1, 2023 · US
Electric actuation assembly for crane pinned boom
US-11584623-B2 · Feb 21, 2023 · US
Locking head assembly for crane boom pins, boom with such an assembly and crane with such a boom
US-2022242703-A1 · Aug 4, 2022 · US
Pinned telescoping crane boom
US-11401135-B2 · Aug 2, 2022 · US
Telescoping boom with rotary extension and locking system
US-11117789-B2 · Sep 14, 2021 · US
System and method for monitoring crane and crane having same
US-2021179396-A1 · Jun 17, 2021 · US
Pinned telescoping crane boom
US-2020407199-A1 · Dec 31, 2020 · US
Recent patents
Latest publications not already listed above.
Electric actuation assembly for crane pinned boom
US-2020399100-A1 · Dec 24, 2020 · US
Outrigger pad assembly having a force sensor
US-10821945-B2 · Nov 3, 2020 · US
Crane 3D workspace spatial techniques for crane operation in proximity of obstacles
US-10822208-B2 · Nov 3, 2020 · US
Crane function performance enhancement for non-symmetrical outrigger arrangements
US-10676328-B2 · Jun 9, 2020 · US
System for determining crane status using optical and/or electromagnetic sensors
US-2020140239-A1 · May 7, 2020 · US
Telescoping boom with rotary extension and locking system
US-2019367338-A1 · Dec 5, 2019 · US
Crane with rotary locking mechanism
US-10457529-B2 · Oct 29, 2019 · US
Outrigger pad assembly having a force sensor
US-2019270434-A1 · Sep 5, 2019 · US
Crane 3d workspace spatial techniques for crane operation in proximity of obstacles
US-2018370776-A1 · Dec 27, 2018 · US
Ruggedized packaging for linear distance measurement sensors
US-10018721-B2 · Jul 10, 2018 · US
Crane 3d workspace spatial techniques for crane operation in proximity of obstacles
US-2018179029-A1 · Jun 28, 2018 · US
Crane maneuvering assistance
US-9944499-B2 · Apr 17, 2018 · US
Crane function performance enhancement for non-symmetrical outrigger arrangements
US-2018057318-A1 · Mar 1, 2018 · US
Crane 3D workspace spatial techniques for crane operation in proximity of obstacles
US-9850109-B2 · Dec 26, 2017 · US
Crane with rotary locking mechanism
US-2017305727-A1 · Oct 26, 2017 · US
Ruggedized packaging for linear distance measurement sensors
US-2016245917-A1 · Aug 25, 2016 · US
Crane 3d workspace spatial techniques for crane operation in proximity of obstacles
US-2016176686-A1 · Jun 23, 2016 · US
Outrigger pad monitoring system
US-9365398-B2 · Jun 14, 2016 · US
Crane maneuvering assistance
US-2016107866-A1 · Apr 21, 2016 · US
Crane maneuvering assistance
US-9238570-B2 · Jan 19, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Manitowoc Crane Companies Llc | 27 |
| Trimble Navigation Ltd | 2 |
| Trimble Inc | 1 |
| Schoonmaker Stephen J | 1 |
| Maynard Kurtis L | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B66C23/88 | 12 |
| B66C23/708 | 11 |
| B66C13/46 | 10 |
| B66C23/905 | 10 |
| B66C23/705 | 9 |