Inventor

HUAIZHONG HE

Inventor
CN

Overview

11→
Patents
2021–2026
Patent span
LOC
Primary field

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

LOC15primary
LOC1543%
E04HBuildings or like structures for particular purposes14%
LOC0714%
B01DSeparation7%
B25GHandles for hand implements7%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges7%
LOC047%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2026Patents assigned to Ningbo dongchuan swimming pool equipment co ltd (7)· patent assignee history
2021–2026Based in CN· patent location history
2023Patents assigned to NINGHO DONGCHUAN SWIMMING POOL EQUIPMENT CO LTD (1)· patent assignee history
2024–2025Patents assigned to NINGBO DONGCHUAN SWIMMING POOL EQUIPMENT CO INC (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NINGBO DONGCHUAN SWIMMING POOL EQUIPMENT CO INC72024–2025
Ningbo dongchuan swimming pool equipment co ltd72021–2026
NINGHO DONGCHUAN SWIMMING POOL EQUIPMENT CO LTD12023
Locations
LocationPatentsSpan
CN112021–2026