Inventor

Xiaonan ZHAI

Inventor
US

Overview

4→
Patents
2021–2023
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

F01Bprimary
F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines50%
F04BPositive-displacement machines for liquids50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2023Patents assigned to CW HOLDINGS LTD (4)· patent assignee history
2021–2023Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CW HOLDINGS LTD42021–2023
Locations
LocationPatentsSpan
US42021–2023