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Inventor

Hsiang-Chien Huang

Inventor
Changhua County, TW

Overview

3→
Patents
2017–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F16Kprimary
F16KValves38%
E03BInstallations or methods for obtaining, collecting, or distributing water25%
E03CDomestic plumbing installations for fresh water or waste water13%
F16LPipes13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
10,378,667Vacuum breaker201910,017,922Hydrant device with vacuum breaking function20189,719,235'Full-drain type vacuum breaker'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to HUANG CHUNG-YI (1)· patent assignee history
2017Patents assigned to HUANG HSIANG-CHIEN (1)· patent assignee history
2017–2019Based in Changhua County, TW· patent location history
2018–2019Patents assigned to HUANG CHUNG YI (2)· patent assignee history
2018–2019Patents assigned to HUANG HSIANG CHIEN (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUANG CHUNG YI22018–2019
HUANG HSIANG CHIENself22018–2019
HUANG CHUNG-YI12017
HUANG HSIANG-CHIENself12017
Locations
LocationPatentsSpan
Changhua County, TW32017–2019