Inventor

Shanrui ZHANG

Inventor
CN

Overview

1→
Patents
2023
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 1 as inventor

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

B66Fprimary
B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load33%
F04BPositive-displacement machines for liquids33%
F15BSystems acting by means of fluids in general33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to NORTH VALLEY RESEARCH INC (1)· patent assignee history
2023Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NORTH VALLEY RESEARCH INC12023
Locations
LocationPatentsSpan
CN12023