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Inventor

Mark D. Ralston

Inventor
Long Beach, CA, US

Overview

4→
Patents
2002–2015
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

F02Cprimary
F02CGas-turbine plants25%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants25%
B64DEquipment for fitting in or to aircraft13%
F01DNon-positive displacement machines or engines, e.g. steam turbines13%
F02BInternal-combustion piston engines13%
Y02TClimate change mitigation technologies related to transportation13%
PatentTitleYear
8,957,539'Hybrid turbogenerator and associated method'20158,028,665'Selective compound engine'20117,513,119'Systems and methods for starting aircraft engines'20096,349,899'Aircraft auxiliary air intake with ram and flush opening door'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2015Patents assigned to BOEING CO (3)· patent assignee history
2002–2015Based in Long Beach, CA, US· patent location history
2009Based in Seattle, WA, US· patent location history
2011Patents assigned to RALSTON MARK DIXON (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOEING CO32002–2015
RALSTON MARK DIXONself12011
Locations
LocationPatentsSpan
Long Beach, California, US32002–2015
Seattle, Washington, US12009