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Inventor

Jan H. Marsh

Inventor
Orlando, FL, US

Overview

12→
Patents
2016–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 12 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%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants40%
B22DCasting of metals7%
F02CGas-turbine plants7%
B22CFoundry moulding3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,830,061Turbine airfoil with internal cooling channels having flow splitter feature202010,711,619Turbine airfoil with turbulating feature on a cold wall202010,704,397Turbine blade trailing edge with low flow framing channel202010,662,778Turbine airfoil with internal impingement cooling feature202010,533,427Turbine airfoil having flow displacement feature with partially sealed radial passages202010,494,931Internally cooled turbine airfoil with flow displacement feature201910,428,686Airfoil cooling with internal cavity displacement features20199,822,662'Cooling system with compressor bleed and ambient air for gas turbine engine'20179,797,259'Turbine airfoil cooling system with cooling systems using high and low pressure cooling fluids'20179,726,028'Ductile alloys for sealing modular component interfaces'20179,435,212'Turbine airfoil with laterally extending snubber having internal cooling system'20169,359,902'Turbine airfoil with ambient cooling system'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2019Patents assigned to SIEMENS ENERGY INC (6)· patent assignee history
2016–2017Patents assigned to MARRA JOHN J (3)· patent assignee history
2016–2017Patents assigned to MARSH JAN H (3)· patent assignee history
2016Patents assigned to CAMPBELL JR CHRISTIAN X (1)· patent assignee history
2016–2020Based in Orlando, FL, US· patent location history
2019–2020Patents assigned to SIEMENS AG (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIEMENS AG62019–2020
SIEMENS ENERGY INC62016–2019
MARRA JOHN J32016–2017
MARSH JAN Hself32016–2017
CAMPBELL JR CHRISTIAN X12016
Locations
LocationPatentsSpan
Orlando, Florida, US122016–2020