Inventor
Chengzhi Guo
Inventor
Changsha, CN
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| SANY HEAVY IND CO LTD | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Changsha, CN | 1 | 2011 |