Inventor

Chengzhi Guo

Inventor
Changsha, CN

Overview

1→
Patents
2011
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.

B66Cprimary
B66CCranes20%
E04GScaffolding20%
F04BPositive-displacement machines for liquids20%
F15BSystems acting by means of fluids in general20%
F16FSprings20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011Patents assigned to SANY HEAVY IND CO LTD (1)· patent assignee history
2011Based in Changsha, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANY HEAVY IND CO LTD12011
Locations
LocationPatentsSpan
Changsha, CN12011