Inventor

Melvin Bobo

Inventor

Cincinnati, OH, US

Overview

1976–2007

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 28 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 turbines26%

F16CShafts12%

F16FSprings8%

Y02TClimate change mitigation technologies related to transportation8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

F02CGas-turbine plants6%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants5%

F02KJet-propulsion plants3%

F04DNon-positive-displacement pumps3%

F16JPistons3%

PatentTitleYear

7,238,008'Turbine blade retainer seal'2007 5,443,229'Aircraft gas turbine engine sideways mount'1995 5,361,828'Scaled heat transfer surface with protruding ramp surface turbulators'1994 5,228,784'Squeeze film damper composite ring seal'1993 5,207,511'Squeeze film damper oil control'1993 5,188,375'Squeeze film damper piston ring seal'1993 5,169,240'Proportioned piston ring seals'1992 5,156,528'Vibration damping of gas turbine engine buckets'1992 5,149,206'Hydraulic shaft damper pressure control'1992 5,149,250'Gas turbine vane assembly seal and support system'1992 5,143,499'Deformable cylinder locknut'1992 5,143,383'Stepped tooth rotating labyrinth seal'1992 5,123,240'Method and apparatus for ejecting foreign matter from the primary flow path of a gas turbine engine'1992 5,106,208'Proportioned piston ring seals'1992 5,088,888'Shroud seal'1992 5,018,873'Air temperature measurement'1991 4,973,221'Gas turbine engine motor assembly'1990 4,934,600'Exhaust nozzle thermal distortion control device'1990 4,743,166'Blade root seal'1988 4,644,806'Airstream eductor'1987 4,580,946'Fan blade platform seal'1986 4,222,230'Combustor dome assembly'1980 4,214,796'Bearing assembly with multiple squeeze film damper apparatus'1980 4,198,815'Central injection fuel carburetor'1980 4,177,004'Combined turbine shroud and vane support structure'1979 4,157,232'Turbine shroud support'1979 4,126,405'Turbine nozzle'1978 3,945,759'Bleed air manifold'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2007Patents assigned to GEN ELECTRIC (28)· patent assignee history

1976–1995Based in Cincinnati, OH, US· patent location history

1990Based in Madeira, OH, US· patent location history

1992Patents assigned to RAFTER JOHN R (1)· patent assignee history

2007Based in Falls Church, VA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	28	1976–2007
RAFTER JOHN R	1	1992

Locations

Location	Patents	Span
Cincinnati, OH, US	26	1976–1995
Falls Church, Virginia, US	1	2007
Madeira, OH, US	1	1990