Crane housing, crane, jack-up vessel, method
US-12473180-B2 · Nov 18, 2025 · US
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Lee Wing Sum patents
Lee Wing Sum is listed as an inventor on 8 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lee Wing Sum |
| Total patents | 8 |
| First publication | Jan 30, 2020 |
| Latest publication | Nov 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Heave compensated dual hoist crane
US-12378099-B2 · Aug 5, 2025 · US
Heave compensated dual hoist crane
US-2024286875-A1 · Aug 29, 2024 · US
Heave compensated dual hoist crane
US-12006189-B2 · Jun 11, 2024 · US
Crane housing, crane, jack-up vessel, method
US-2024067507-A1 · Feb 29, 2024 · US
Heave compensated dual hoist crane
US-2022162045-A1 · May 26, 2022 · US
Crane housing for a crane and crane comprising said crane housing
US-10974937-B2 · Apr 13, 2021 · US
Crane housing for a crane and crane comprising said crane housing
US-2020031636-A1 · Jan 30, 2020 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Itrec Bv | 8 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B66C23/52 | 8 |
| B66C23/84 | 4 |
| B66C23/823 | 4 |
| B66C19/00 | 4 |
| B66C13/02 | 4 |