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Inventor

Mingfong Hwang

Inventor
Phoenix, AZ, US

Overview

9→
Patents
1996–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 9 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning20%
F02CGas-turbine plants20%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants13%
F16JPistons13%
Y02TClimate change mitigation technologies related to transportation13%
B63HMarine propulsion or steering7%
F01DNon-positive displacement machines or engines, e.g. steam turbines7%
F04DNon-positive-displacement pumps7%
PatentTitleYear
10,973,380Cleaner holder and cleaner unit202110,945,573Cleaner202110,939,789Cleaner20219,926,849'Transverse mounted accessory gearbox'20189,145,834'Transverse mounted accessory gearbox'20157,435,052'Shaft oil purge system'20087,361,068'Seal pressure vent system for a waterjet apparatus'20086,145,843'Hydrodynamic lift seal for use with compressible fluids'20005,558,341'Seal for sealing an incompressible fluid between a relatively stationary seal and a movable member'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2000Patents assigned to STEIN SEAL CO (2)· patent assignee history
1996Based in Lansdale, PA, US· patent location history
2000–2018Based in Phoenix, AZ, US· patent location history
2008–2018Patents assigned to HONEYWELL INT INC (4)· patent assignee history
2015Patents assigned to CRESTIN MICHAEL STEPHEN (1)· patent assignee history
2015Patents assigned to FROST CRISTOPHER (1)· patent assignee history
2021Patents assigned to LG ELECTRONICS INC (3)· patent assignee history
2021Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONEYWELL INT INC42008–2018
LG ELECTRONICS INC32021
STEIN SEAL CO21996–2000
CRESTIN MICHAEL STEPHEN12015
FROST CRISTOPHER12015
Locations
LocationPatentsSpan
Phoenix, AZ, US52000–2018
Seoul, KR32021
Lansdale, Pennsylvania, US11996