Inventor
Lev Alexander Prociw
Inventor
Johnston, IA, US
Overview
Patents· 105 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F23Rprimary
F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers24%
F02CGas-turbine plants19%
F23DBurners15%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants10%
F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in a carrier gas or air4%
Y10TTechnical subjects covered by former us classification4%
B05BSpraying apparatus3%
F01DNon-positive displacement machines or engines, e.g. steam turbines2%
F23KFeeding fuel to combustion apparatus2%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof2%
PatentTitleYear
11,131,458Fuel injectors for turbomachines202111,131,459Combustor with an air mixer and an air swirler each having slots202111,118,785Fuel injectors for exhaust heaters202111,117,155Fluid nozzles with heat shielding202111,111,888Fuel nozzles202111,073,282Gas turbine combustion liner comprising heat transfer cell heat pipes202111,067,278Cooling in staged fuel systems202111,060,459Internal manifold for multipoint injection202111,053,862Electronic fuel control for gas turbine engines202111,035,296Internal manifold for multipoint injection202111,014,054Fluid-gas mixer202111,002,193Fuel injector systems and support structures202110,941,938Fuel injectors including gas fuel injection202110,876,477Nozzles with internal manifolding202010,858,997Brazing components and techniques202010,859,269Fuel injectors for multipoint arrays202010,844,794Fuel quality monitoring systems202010,830,446Fuel injector assemblies202010,830,440Combustion systems having bayonet features202010,794,507Frangible fluoropolymer coating202010,788,209Combustor for gas turbine engine202010,788,214Fuel injectors for turbomachines having inner air swirling202010,774,748Internal fuel manifolds202010,731,859Fuel nozzles202010,634,355Dual fuel radial flow nozzles202010,605,171Fuel nozzle manifold systems for turbomachines202010,578,021Combustion systems202010,578,022Transfer tube assembly of nested tubes and a connecting segment having parallel and offset bores202010,570,826Fuel manifold with nested annular passages and radially extending channels202010,527,286Staged radial air swirler with radial liquid fuel distributor202010,495,002Filter screens and methods of making filter screens201910,385,809Fuel nozzles201910,378,774Annular combustor with scoop ring for gas turbine engine201910,364,751Fuel staging201910,344,981Staged dual fuel radial nozzle with radial liquid fuel distributor201910,309,651Injectors for multipoint injection201910,252,365Deposition of braze preform201910,227,890Resonant modes in sprays201910,208,956Combustor for gas turbine engine201910,190,502Brazing components and techniques201910,132,500Airblast injectors201810,125,695Automatic control of turbine blade temperature during gas turbine engine operation201810,041,679Combustion systems20189,989,257Cooling in staged fuel systems20189,958,161Combustor for gas turbine engine20189,901,944'Atomizers'20189,897,321'Fuel nozzles'20189,724,709'Swirler elements for nozzles'20179,644,844'Multipoint fuel injection arrangements'20179,573,146'Double swirl chamber swirlers'20179,567,912'Continuous ignition systems'20179,457,370'Quick disconnect devices for spray nozzles'20169,423,130'Reverse flow ceramic matrix composite combustor'20169,309,848'Carbon contamination resistant pressure atomizing nozzles'20169,228,747'Combustor for gas turbine engine'20169,188,063'Injectors for multipoint injection'20159,127,843'Combustor for gas turbine engine'20159,109,842'Fuel air heat exchanger'20159,080,772'Continuous ignition'20159,003,804'Multipoint injectors with auxiliary stage'20158,959,928'Positioning arrangement for components of a pressure vessel and method'20158,943,827'Fuel air heat exchanger'20158,899,048'Low calorific value fuel combustion systems for gas turbine engines'20148,881,995'Carbon contamination resistant pressure atomizing nozzles'20148,864,492'Reverse flow combustor duct attachment'20148,745,989'Reverse flow ceramic matrix composite combustor'20148,276,387'Gas turbine engine fuel conveying member'20128,181,465'Positioning arrangement for components of a pressure vessel and method'20128,074,452'Nested channel ducts for nozzle construction and the like'20118,044,319'Variable arc gap plasma igniter'20117,937,926'Integral heater for fuel conveying member'20117,805,948'Internally mounted device for a pressure vessel'20107,738,694'Calibration of optical patternator spray parameter measurements'20107,721,436'Method of manufacturing a metal injection moulded combustor swirler'20107,716,933'Multi-channel fuel manifold'20107,712,313'Fuel nozzle for a gas turbine engine'20107,677,471'Modular fuel nozzle and method of making'20107,658,339'Modular fuel nozzle air swirler'20107,654,000'Modular fuel nozzle and method of making'20107,654,088'Dual conduit fuel manifold for gas turbine engine'20107,617,683'Fuel nozzle and manifold assembly connection'20097,565,807'Heat shield for a fuel manifold and method'20097,559,201'Redundant fuel manifold sealing arrangement'20097,559,202'Reduced thermal stress fuel nozzle assembly'20097,533,531'Internal fuel manifold with airblast nozzles'20097,530,231'Fuel conveying member with heat pipe'20097,497,012'Gas turbine fuel nozzle manufacturing'20097,481,248'Flexible heat shields and method'20097,467,467'Method for manufacturing a foam core heat exchanger'20087,454,914'Helical channel for distributor and method'20087,320,440'Low cost pressure atomizer'20087,263,772'Foam wall combustor construction'20077,237,730'Modular fuel nozzle and method of making'20077,174,717'Helical channel fuel distributor and method'20077,028,484'Nested channel ducts for nozzle construction and the like'20066,823,677'Stress relief feature for aerated gas turbine fuel injector'20046,495,207'Method of manufacturing a composite wall'20026,289,676'Simplex and duplex injector having primary and secondary annular lud channels and primary and secondary lud nozzles'20016,289,677'Gas turbine fuel injector'20016,182,437'Fuel injector heat shield'20016,182,436'Porus material torch igniter'20016,141,968'Fuel nozzle for gas turbine engine with slotted fuel conduits and cover'20006,125,624'Anti-coking fuel injector purging device'20006,082,113'Gas turbine fuel injector'20005,579,645'Radially mounted air blast fuel injector'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2020Patents assigned to PRATT & WHITNEY CANADA (51)· patent assignee history
1996Based in Willowdale, CA· patent location history
2000–2016Based in Elmira, CA· patent location history
2011–2015Patents assigned to PROCIW LEV ALEXANDER (10)· patent assignee history
2014–2021Patents assigned to DELAVAN INC (52)· patent assignee history
2014Patents assigned to BUTLER SHAOLUO L (2)· patent assignee history
2014–2021Based in Johnston, IA, US· patent location history
2016–2017Patents assigned to DELAVAN LTD (3)· patent assignee history
2017Based in Johston, IA, US· patent location history
2018Based in Johnson, IA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DELAVAN INC | 52 | 2014–2021 |
| PRATT & WHITNEY CANADA | 51 | 1996–2020 |
| PROCIW LEV ALEXANDERself | 10 | 2011–2015 |
| DELAVAN LTD | 3 | 2016–2017 |
| BUTLER SHAOLUO L | 2 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Johnston, IA, US | 61 | 2014–2021 |
| Elmira, CA | 41 | 2000–2016 |
| Johnson, IA, US | 1 | 2018 |
| Johston, IA, US | 1 | 2017 |
| Willowdale, CA | 1 | 1996 |