Inventor

Robert J. Hemmelgarn

Inventor

Mason, OH, US

Overview

6→

Patents

1993–2002

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 6 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 turbines40%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g13%

Y02TClimate change mitigation technologies related to transportation13%

Y10TTechnical subjects covered by former us classification13%

F02CGas-turbine plants7%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants7%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges7%

PatentTitleYear

6,364,603'Fan case for turbofan engine having a fan decoupler'2002 6,290,455'Contoured hardwall containment'2001 5,372,476'Turbine nozzle support assembly'1994 5,333,993'Stator seal assembly providing improved clearance control'1994 5,332,358'Uncoupled seal support assembly'1994 5,259,725'Gas turbine engine and method of assembling same'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2001Patents assigned to GEN ELECTRIC (5)· patent assignee history

1993–2002Based in Mason, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	5	1993–2001

Locations

Location	Patents	Span
Mason, OH, US	6	1993–2002