Security ladder for a pool
US-2022275683-A1 · Sep 1, 2022 · US
This page is not indexed by search engines while we improve data quality.
Wan Changde patents
Wan Changde is listed as an inventor on 13 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Wan Changde |
| Total patents | 13 |
| First publication | Oct 4, 2018 |
| Latest publication | Sep 1, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Window for an above-ground pool
US-11371278-B2 · Jun 28, 2022 · US
Security ladder for a pool
US-11352836-B2 · Jun 7, 2022 · US
Filtering device and control system
US-11154797-B2 · Oct 26, 2021 · US
Window for an above-ground pool
US-2021156193-A1 · May 27, 2021 · US
Filtering device and control system
US-2020147523-A1 · May 14, 2020 · US
Water valve and pool
US-10584797-B2 · Mar 10, 2020 · US
Security ladder for a pool
US-2019301243-A1 · Oct 3, 2019 · US
Pool cleaner
US-10378228-B2 · Aug 13, 2019 · US
Pool valve assembly
US-2019194966-A1 · Jun 27, 2019 · US
Recent patents
Latest publications not already listed above.
Water valve and pool
US-2019195370-A1 · Jun 27, 2019 · US
Packaging system
US-10328961-B1 · Jun 25, 2019 · US
Pool cleaner
US-2018283027-A1 · Oct 4, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Bestway Inflatables & Mat Corp | 13 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C02F2103/42 | 4 |
| E06C7/006 | 3 |
| E06C7/082 | 3 |
| E06C7/50 | 3 |
| E06C1/26 | 3 |