LexDanaLexDanabeta
Inventor

Feng Yuan

Inventor
Nanjing, CN

Overview

5→
Patents
2019–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 5 as inventor

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

E01Hprimary
E01HStreet cleaning67%
A01DHarvesting17%
B25FCombination or multi-purpose tools not otherwise provided for17%
PatentTitleYear
11,015,313Snow thrower202110,767,326Auger for a snow thrower202010,760,230Snow thrower202010,485,165Grass trimmer201910,428,479Snowthrower2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2021Patents assigned to CHERVON HK LTD (4)· patent assignee history
2019Patents assigned to CHERVON IP LTD (1)· patent assignee history
2019–2021Based in Nanjing, CN· patent location history
2020Patents assigned to NANJING CHERVON IND CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHERVON HK LTD42019–2021
CHERVON IP LTD12019
NANJING CHERVON IND CO LTD12020
Locations
LocationPatentsSpan
Nanjing, CN52019–2021