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Inventor

Feng Li

Inventor
Shenzhen, CN

Overview

4→
Patents
2016–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning22%
B01FMixing, e.g. dissolving, emulsifying or dispersing22%
B22CFoundry moulding22%
A46BBrushes11%
A46DManufacture of brushes11%
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents11%
PatentTitleYear
10,631,702Surface cleaning apparatus202010,464,033Apparatus for treating and cooling foundry moulding sand201910,124,399Molding sand cooler20189,480,374'Agitator assembly for vacuum cleaner'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2020Patents assigned to BISSELL HOMECARE INC (2)· patent assignee history
2016–2020Based in Shenzhen, CN· patent location history
2018–2019Patents assigned to EIRICH MASCHF GUSTAV GMBH & CO KG (2)· patent assignee history
2018–2019Based in Jiangyin, CH· patent location history
2020Patents assigned to BISSELL INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BISSELL HOMECARE INC22016–2020
EIRICH MASCHF GUSTAV GMBH & CO KG22018–2019
BISSELL INC12020
Locations
LocationPatentsSpan
Shenzhen, CN22016–2020
Jiangyin, CH22018–2019