Packaging material and preparing method thereof
US-2022355991-A1 · Nov 10, 2022 · US
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Cheng Enjun patents
Cheng Enjun is listed as an inventor on 9 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Cheng Enjun |
| Total patents | 9 |
| First publication | Sep 10, 2015 |
| Latest publication | Nov 10, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Package made of a laminate material
US-2020368082-A1 · Nov 26, 2020 · US
Package made of a laminate material
US-10786404-B2 · Sep 29, 2020 · US
Package made of a laminate material
US-2019091077-A1 · Mar 28, 2019 · US
Manufacturing apparatus
US-10183298-B2 · Jan 22, 2019 · US
Manufacturing Apparatus
US-2018099287-A1 · Apr 12, 2018 · US
Bar soap compositions containing zinc pyrithione and a metal-pyridine oxide complex
US-9655831-B2 · May 23, 2017 · US
Bar soap compositions containing zinc pyrithione and a metal-pyridine oxide complex
US-9333157-B2 · May 10, 2016 · US
Manufacturing Apparatus
US-2015251222-A1 · Sep 10, 2015 · 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 |
|---|---|
| Procter & Gamble | 9 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B65D71/36 | 3 |
| B32B2439/46 | 3 |
| A61F13/551 | 3 |
| B65D71/063 | 3 |
| B31B2160/20 | 3 |