Inventor
Francis Parnin
Inventor
Suffield, CT, US
Overview
Patents· 32 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 turbines23%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants18%
F02CGas-turbine plants13%
F01MLubricating of machines or engines in general9%
F16NLubricating8%
Y02TClimate change mitigation technologies related to transportation7%
F16HGearing6%
F02KJet-propulsion plants4%
F16CShafts2%
F04DNon-positive-displacement pumps1%
PatentTitleYear
10,961,868Method and system to ensure full oil tubes after gas turbine engine shutdown202110,934,888Apparatus and method for providing fluid to a bearing damper202110,837,318Buffer system for gas turbine engine202010,830,140Lubrication system for gas turbine engines202010,731,559Lubrication system for gas turbine engines202010,711,642Gas turbine engine lubrication system and apparatus with boost pump system202010,711,644Method and system to ensure full oil tubes after gas turbine engine shutdown202010,513,949Auxiliary journal oil supply system201910,513,938Intershaft compartment buffering arrangement201910,458,278Apparatus and method for providing fluid to a bearing damper201910,287,916Internal tube oil coke prevention geometry201910,161,314Vented buffer air supply for intershaft seals201810,145,276Lubricant valve monitoring method and assembly201810,107,142Fan drive gear system auxiliary pump monitoring system201810,107,197Lubrication system for gas turbine engines201810,072,521FDGS auxiliary pump monitoring system201810,066,507Turbine engine lubrication system with wash flow filter201810,041,489Auxiliary pump and gas turbine engine oil circuit monitoring system20189,964,039Auxiliary lubricant supply pump stage integral with main lubricant pump stage20189,874,145Lubrication system for gas turbine engines20189,840,966'Auxiliaryy fluid flow system debris filter'20179,695,709'Electronic means for detecting buffered main shaft seal wear or failure in a turbine engine'20179,494,048'Active system for bearing oil damper supply and vibration control'20168,961,100'Valve for controlling flow of a turbomachine fluid'20158,893,469'Oil bypass channel deaerator for a geared turbofan engine'20148,844,257'Bypass arrangement of a lubrication valve for a gas turbine engine gear assembly'20148,833,086'Lubrication arrangement for a gas turbine engine gear assembly'20148,490,752'Accurate fluid volume measurement for thermally expanding fluids'20138,424,646'Interruption tolerant lubrication system'20138,230,974'Windmill and zero gravity lubrication system for a gas turbine engine'20128,051,869'Gravity operated valve'20117,648,143'Tandem dual element intershaft carbon seal'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2021Patents assigned to UNITED TECHNOLOGIES CORP (31)· patent assignee history
2010–2021Based in Suffield, CT, US· patent location history
2012–2017Patents assigned to PARNIN FRANCIS (6)· patent assignee history
2013–2014Patents assigned to JAMES DENMAN H (3)· patent assignee history
2014–2015Patents assigned to DIBENEDETTO ENZO (2)· patent assignee history
2020–2021Patents assigned to RAYTHEON TECH CORP (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNITED TECHNOLOGIES CORP | 31 | 2010–2021 |
| RAYTHEON TECH CORP | 7 | 2020–2021 |
| PARNIN FRANCISself | 6 | 2012–2017 |
| JAMES DENMAN H | 3 | 2013–2014 |
| DIBENEDETTO ENZO | 2 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Suffield, CT, US | 32 | 2010–2021 |