Inventor

Zhifeng Dong

Inventor

Cincinnati, OH, US

Overview

7→

Patents

2006–2013

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 7 as inventor

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

F01Dprimary

F01DNon-positive displacement machines or engines, e.g. steam turbines37%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants26%

Y02TClimate change mitigation technologies related to transportation26%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g5%

Y10TTechnical subjects covered by former us classification5%

PatentTitleYear

8,393,855'Flange with axially curved impingement surface for gas turbine engine clearance control'2013 8,197,186'Flange with axially extending holes for gas turbine engine clearance control'2012 7,823,389'Compound clearance control engine'2010 7,740,443'Transpiration clearance control turbine'2010 7,249,463'Aerodynamic fastener shield for turbomachine'2007 7,165,937'Methods and apparatus for maintaining rotor assembly tip clearances'2007 7,094,020'Swirl-enhanced aerodynamic fastener shield for turbomachine'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2013Patents assigned to GEN ELECTRIC (7)· patent assignee history

2006–2013Based in Cincinnati, OH, US· patent location history

2012–2013Patents assigned to DONG ZHIFENG (2)· patent assignee history

2012–2013Patents assigned to RAHAIM JOHN JOSEPH (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	7	2006–2013
DONG ZHIFENGself	2	2012–2013
RAHAIM JOHN JOSEPH	2	2012–2013

Locations

Location	Patents	Span
Cincinnati, OH, US	7	2006–2013