Inventor
Jeffrey Crutchfield
Inventor
Indianapolis, IN, US
Overview
Patents· 10 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 turbines32%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants20%
F04DNon-positive-displacement pumps16%
Y02TClimate change mitigation technologies related to transportation16%
F02CGas-turbine plants8%
G01MTesting static or dynamic balance of machines or structures8%
PatentTitleYear
11,111,796Turbine shroud assembly with dovetail retention system202111,105,338Impeller shroud with slidable coupling for clearance control in a centrifugal compressor202110,907,651Fan track liner subassembly angled upturn joint202110,557,365Ceramic matrix composite blade track with mounting system having reaction load distribution features202010,458,429Impeller shroud with slidable coupling for clearance control in a centrifugal compressor201910,392,957Ceramic matrix composite blade track with mounting system having load distribution features201910,309,409Impeller shroud with pneumatic piston for clearance control in a centrifugal compressor20198,573,038'Advanced hot section materials and coatings test rig'20138,281,649'Advanced hot section materials and coatings test rig'20128,087,881'Damped stator assembly'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2013Patents assigned to FLORIDA TURBINE TECH INC (3)· patent assignee history
2012Patents assigned to CRUTCHFIELD JEFFREY M (2)· patent assignee history
2012Patents assigned to CARDOSO III LOUIS M (1)· patent assignee history
2012–2013Based in Jupiter, FL, US· patent location history
2019–2021Patents assigned to ROLLS ROYCE CORP (7)· patent assignee history
2019–2021Patents assigned to ROLLS ROYCE NAM TECH INC (3)· patent assignee history
2019–2021Based in Indianapolis, IN, US· patent location history
2021Based in Long Beach, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROLLS ROYCE CORP | 7 | 2019–2021 |
| FLORIDA TURBINE TECH INC | 3 | 2012–2013 |
| ROLLS ROYCE NAM TECH INC | 3 | 2019–2021 |
| CRUTCHFIELD JEFFREY Mself | 2 | 2012 |
| CARDOSO III LOUIS M | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Indianapolis, IN, US | 6 | 2019–2021 |
| Jupiter, Florida, US | 3 | 2012–2013 |
| Long Beach, California, US | 1 | 2021 |