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Inventor

Encheng Hu

Inventor
Shanghai, CN

Overview

2→
Patents
1987–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

A61Bprimary
A61BDiagnosis25%
F01CRotary-piston or oscillating-piston machines or engines25%
F02BInternal-combustion piston engines25%
Y02TClimate change mitigation technologies related to transportation25%
PatentTitleYear
10,905,425Endoscopic reposable surgical clip applier20214,671,231'Unidirectional rotary piston internal combustion engine'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to HU EUGENE S (1)· patent assignee history
1987Based in Bloomington, MN, US· patent location history
2021Patents assigned to COVIDIEN LP (1)· patent assignee history
2021Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COVIDIEN LP12021
HU EUGENE Sself11987
Locations
LocationPatentsSpan
Shanghai, CN12021
Bloomington, Minnesota, US11987