Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Leach — 22 Patents

GE: 21 patents #1,273 of 36,430Top 4%
Simpsonville, SC: #67 of 1,013 inventorsTop 7%
South Carolina: #524 of 15,501 inventorsTop 4%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
David Leach has been granted 22 US patents while listed as an inventor at GE. The first was granted in 2001 and the most recent in April 2025. David Leach ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list David Leach in Simpsonville, SC, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12271846 Dispatch advisor to assist in selecting operating conditions of power plant that maximizes operational revenue Ilya Alexandrovich Slobodyanskiy, Berardino Pezzella 2025-04-08
12158114 Dispatch advisor for operating power plant with flexibility Ilya Alexandrovich Slobodyanskiy, Berardino Pezzella 2024-12-03 $136,391,000
12098683 Dispatch advisor for operating power plant with flexibility Ilya Alexandrovich Slobodyanskiy, Berardino Pezzella 2024-09-24 $103,797,000
11893525 Dispatch advisor to assist in selecting operating conditions of power plant that maximizes operational revenue Ilya Alexandrovich Slobodyanskiy, Berardino Pezzella 2024-02-06 $53,682,000
11203986 Systems and methods for extended emissions compliant operation of a gas turbine engine Valerie Suzanne Vernet, Jason Nathaniel Cook, Jayaprakash Natarajan 2021-12-21 $88,018,000
9771869 Nozzle system and method for starting and operating gas turbines on lowBtu fuels Suhui Li, Joel Meier Haynes, Ping Yu, Wei-Long Chen, John Lipinski +3 more 2017-09-26 $15,933,000
9441835 System and method for fuel and steam injection within a combustor Brandon Taylor Overby 2016-09-13 $24,812,000
9360221 Gas turbine burner Jesse Blair Butler, Kevin Weston McMahan, Mark Allan Hadley, Geoffrey David Myers 2016-06-07 $26,713,000
9303564 Combustor can temperature control system Sarah Lori Crothers, Christan Xavier Stevenson 2016-04-05 $27,607,000
9255484 Aft frame and method for cooling aft frame David William Cihlar, Patrick Benedict Melton, Kevin Weston McMahan 2016-02-09 $27,679,000
8677761 Systems and methods for engine turn down by controlling extraction air flows Jason Nathaniel Cook, Chi Ming Ho 2014-03-25 $22,410,000
8432440 System and method for adjusting engine parameters based on flame visualization Anthony Wayne Krull, Gilbert Otto Kraemer, Geoffrey David Myers, Alexey Vert, Garth Curtis Frederick +1 more 2013-04-30 $20,166,000
7293953 Integrated turbine sealing air and active clearance control system and method Douglas Frank Beadie, Tagir Nigmatulin, Brittany Dees, Jesse Edwin Trout, Daniel Richard Waugh 2007-11-13 $51,820,000
6839979 Top mounted turbine casing alignment tool with multi-axis maneuverability Vinayak S. Godbole, Stuart Forrest Waldo 2005-01-11 $54,584,000
6827350 Hybrid honeycomb and brush seal for steam gland Stephen Walcott, Hamid Reza Sarshar 2004-12-07 $54,919,000
6477843 Ventilation for an enclosure of a gas turbine and related method Troy Joseph Schroeder, Michael O'Toole 2002-11-12 $48,184,000
6470689 Ventilation for an enclosure of a gas turbine and related method Troy Joseph Schroeder, Michael O'Toole 2002-10-29 $50,258,000
6457936 Inner shell radial pin geometry and mounting arrangement Peter Bergendahl 2002-10-01 $47,424,000
6431555 Leaf seal for inner and outer casings of a turbine Mark Stewart Schroder 2002-08-13 $51,311,000
6422807 Turbine inner shell heating and cooling flow circuit Iain Robertson Kellock, Larry W. Plemmons, Cedric Chow, Brendan Sexton, Mark Stewart Schroder 2002-07-23 $57,337,000
6357221 Ventilation for an enclosure of a gas turbine and related method Troy Joseph Schroeder, Michael O'Toole 2002-03-19 $66,872,000
6171534 Method of making a speaker cone and surround assembly Patrick Leach 2001-01-09