Vacuum blocking piece and method for manufacturing a spectacle lens
US-2025339936-A1 · Nov 6, 2025 · US
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Lack Oswin patents
Lack Oswin is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lack Oswin |
| Total patents | 4 |
| First publication | Dec 8, 2022 |
| Latest publication | Nov 6, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Blocking piece and method for vacuum blocking a lens blank
US-12059768-B2 · Aug 13, 2024 · US
Blocking piece and method for vacuum blocking a lens blank
US-2023075451-A1 · Mar 9, 2023 · US
Protective film removing apparatus and method each for removing a protective film from an optical lens
US-2022388298-A1 · Dec 8, 2022 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Zeiss Carl Vision Int Gmbh | 4 |
| Optotech Optikmasch Gmbh | 3 |
| Opto Tech Optikmaschinen Gmbh | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B24B13/005 | 4 |
| B24B9/146 | 3 |
| B24B13/0055 | 2 |
| B24B13/0052 | 2 |
| B32B2551/00 | 1 |